Merge branch 'next' into for-linus

Prepare first set of updates for 3.10 merge window.

85 files changed, 3588 insertions, 1708 deletions

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 1630150ad2b1..5f07d85c4189 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -265,6 +265,15 @@ config HID_GYRATION
 	---help---
 	Support for Gyration remote control.
 
+config HID_ICADE
+	tristate "ION iCade arcade controller"
+	depends on BT_HIDP
+	---help---
+	Support for the ION iCade arcade controller to work as a joystick.
+
+	To compile this driver as a module, choose M here: the
+	module will be called hid-icade.
+
 config HID_TWINHAN
 	tristate "Twinhan IR remote control"
 	depends on USB_HID
@@ -311,7 +320,7 @@ config HID_LOGITECH_DJ
 	Say Y if you want support for Logitech Unifying receivers and devices.
 	Unifying receivers are capable of pairing up to 6 Logitech compliant
 	devices to the same receiver. Without this driver it will be handled by
-	generic USB_HID driver and all incomming events will be multiplexed
+	generic USB_HID driver and all incoming events will be multiplexed
 	into a single mouse and a single keyboard device.
 
 config LOGITECH_FF
@@ -587,6 +596,12 @@ config HID_SPEEDLINK
 	---help---
 	Support for Speedlink Vicious and Divine Cezanne mouse.
 
+config HID_STEELSERIES
+	tristate "Steelseries SRW-S1 steering wheel support"
+	depends on USB_HID
+	---help---
+	Support for Steelseries SRW-S1 steering wheel
+
 config HID_SUNPLUS
 	tristate "Sunplus wireless desktop"
 	depends on USB_HID
@@ -646,6 +661,16 @@ config HID_TOPSEED
 	Say Y if you have a TopSeed Cyberlink or BTC Emprex or Conceptronic
 	CLLRCMCE remote control.
 
+config HID_THINGM
+	tristate "ThingM blink(1) USB RGB LED"
+	depends on USB_HID
+	depends on LEDS_CLASS
+	---help---
+	Support for the ThingM blink(1) USB RGB LED. This driver registers a
+	Linux LED class instance, plus additional sysfs attributes to control
+	RGB colors, fade time and playing. The device is exposed through hidraw
+	to access other functions.
+
 config HID_THRUSTMASTER
 	tristate "ThrustMaster devices support"
 	depends on USB_HID
@@ -710,7 +735,7 @@ config HID_ZYDACRON
 
 config HID_SENSOR_HUB
 	tristate "HID Sensors framework support"
-	depends on USB_HID
+	depends on USB_HID && GENERIC_HARDIRQS
 	select MFD_CORE
 	default n
 	-- help---
@@ -728,4 +753,6 @@ endif # HID
 
 source "drivers/hid/usbhid/Kconfig"
 
+source "drivers/hid/i2c-hid/Kconfig"
+
 endmenu
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index cef68ca859d3..72d1b0bc0a97 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -52,6 +52,7 @@ obj-$(CONFIG_HID_GYRATION)	+= hid-gyration.o
 obj-$(CONFIG_HID_HOLTEK)	+= hid-holtek-kbd.o
 obj-$(CONFIG_HID_HOLTEK)	+= hid-holtekff.o
 obj-$(CONFIG_HID_HYPERV_MOUSE)	+= hid-hyperv.o
+obj-$(CONFIG_HID_ICADE)		+= hid-icade.o
 obj-$(CONFIG_HID_KENSINGTON)	+= hid-kensington.o
 obj-$(CONFIG_HID_KEYTOUCH)	+= hid-keytouch.o
 obj-$(CONFIG_HID_KYE)		+= hid-kye.o
@@ -93,15 +94,17 @@ obj-$(CONFIG_HID_PRIMAX)	+= hid-primax.o
 obj-$(CONFIG_HID_PS3REMOTE)	+= hid-ps3remote.o
 obj-$(CONFIG_HID_ROCCAT)	+= hid-roccat.o hid-roccat-common.o \
 	hid-roccat-arvo.o hid-roccat-isku.o hid-roccat-kone.o \
-	hid-roccat-koneplus.o hid-roccat-kovaplus.o hid-roccat-pyra.o \
-	hid-roccat-savu.o
+	hid-roccat-koneplus.o hid-roccat-kovaplus.o hid-roccat-lua.o \
+	hid-roccat-pyra.o hid-roccat-savu.o
 obj-$(CONFIG_HID_SAITEK)	+= hid-saitek.o
 obj-$(CONFIG_HID_SAMSUNG)	+= hid-samsung.o
 obj-$(CONFIG_HID_SMARTJOYPLUS)	+= hid-sjoy.o
 obj-$(CONFIG_HID_SONY)		+= hid-sony.o
 obj-$(CONFIG_HID_SPEEDLINK)	+= hid-speedlink.o
+obj-$(CONFIG_HID_STEELSERIES)	+= hid-steelseries.o
 obj-$(CONFIG_HID_SUNPLUS)	+= hid-sunplus.o
 obj-$(CONFIG_HID_GREENASIA)	+= hid-gaff.o
+obj-$(CONFIG_HID_THINGM)	+= hid-thingm.o
 obj-$(CONFIG_HID_THRUSTMASTER)	+= hid-tmff.o
 obj-$(CONFIG_HID_TIVO)		+= hid-tivo.o
 obj-$(CONFIG_HID_TOPSEED)	+= hid-topseed.o
@@ -118,3 +121,4 @@ obj-$(CONFIG_USB_HID)		+= usbhid/
 obj-$(CONFIG_USB_MOUSE)		+= usbhid/
 obj-$(CONFIG_USB_KBD)		+= usbhid/
 
+obj-$(CONFIG_I2C_HID)		+= i2c-hid/
diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c
index 0a239885e67c..7c5507e94820 100644
--- a/drivers/hid/hid-a4tech.c
+++ b/drivers/hid/hid-a4tech.c
@@ -146,17 +146,6 @@ static struct hid_driver a4_driver = {
 	.probe = a4_probe,
 	.remove = a4_remove,
 };
+module_hid_driver(a4_driver);
 
-static int __init a4_init(void)
-{
-	return hid_register_driver(&a4_driver);
-}
-
-static void __exit a4_exit(void)
-{
-	hid_unregister_driver(&a4_driver);
-}
-
-module_init(a4_init);
-module_exit(a4_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index fd7722aecf77..320a958d4139 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -439,7 +439,8 @@ static const struct hid_device_id apple_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI),
 		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO),
-		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
+		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
+			APPLE_ISO_KEYBOARD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS),
 		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
 			APPLE_RDESC_JIS },
@@ -554,23 +555,6 @@ static struct hid_driver apple_driver = {
 	.input_mapping = apple_input_mapping,
 	.input_mapped = apple_input_mapped,
 };
+module_hid_driver(apple_driver);
 
-static int __init apple_init(void)
-{
-	int ret;
-
-	ret = hid_register_driver(&apple_driver);
-	if (ret)
-		pr_err("can't register apple driver\n");
-
-	return ret;
-}
-
-static void __exit apple_exit(void)
-{
-	hid_unregister_driver(&apple_driver);
-}
-
-module_init(apple_init);
-module_exit(apple_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-aureal.c b/drivers/hid/hid-aureal.c
index 7968187ddf7b..340ba9d394a0 100644
--- a/drivers/hid/hid-aureal.c
+++ b/drivers/hid/hid-aureal.c
@@ -37,17 +37,6 @@ static struct hid_driver aureal_driver = {
 	.id_table = aureal_devices,
 	.report_fixup = aureal_report_fixup,
 };
+module_hid_driver(aureal_driver);
 
-static int __init aureal_init(void)
-{
-	return hid_register_driver(&aureal_driver);
-}
-
-static void __exit aureal_exit(void)
-{
-	hid_unregister_driver(&aureal_driver);
-}
-
-module_init(aureal_init);
-module_exit(aureal_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-axff.c b/drivers/hid/hid-axff.c
index 5be858dd9a15..62f0cee032ba 100644
--- a/drivers/hid/hid-axff.c
+++ b/drivers/hid/hid-axff.c
@@ -192,19 +192,7 @@ static struct hid_driver ax_driver = {
 	.probe		= ax_probe,
 	.remove		= ax_remove,
 };
-
-static int __init ax_init(void)
-{
-	return hid_register_driver(&ax_driver);
-}
-
-static void __exit ax_exit(void)
-{
-	hid_unregister_driver(&ax_driver);
-}
-
-module_init(ax_init);
-module_exit(ax_exit);
+module_hid_driver(ax_driver);
 
 MODULE_AUTHOR("Sergei Kolzun");
 MODULE_DESCRIPTION("Force feedback support for ACRUX game controllers");
diff --git a/drivers/hid/hid-belkin.c b/drivers/hid/hid-belkin.c
index a1a5a12c3a6b..cc4cf138bef5 100644
--- a/drivers/hid/hid-belkin.c
+++ b/drivers/hid/hid-belkin.c
@@ -86,17 +86,6 @@ static struct hid_driver belkin_driver = {
 	.input_mapping = belkin_input_mapping,
 	.probe = belkin_probe,
 };
+module_hid_driver(belkin_driver);
 
-static int __init belkin_init(void)
-{
-	return hid_register_driver(&belkin_driver);
-}
-
-static void __exit belkin_exit(void)
-{
-	hid_unregister_driver(&belkin_driver);
-}
-
-module_init(belkin_init);
-module_exit(belkin_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-cherry.c b/drivers/hid/hid-cherry.c
index af034d3d9256..1bdcccc54a1d 100644
--- a/drivers/hid/hid-cherry.c
+++ b/drivers/hid/hid-cherry.c
@@ -69,17 +69,6 @@ static struct hid_driver ch_driver = {
 	.report_fixup = ch_report_fixup,
 	.input_mapping = ch_input_mapping,
 };
+module_hid_driver(ch_driver);
 
-static int __init ch_init(void)
-{
-	return hid_register_driver(&ch_driver);
-}
-
-static void __exit ch_exit(void)
-{
-	hid_unregister_driver(&ch_driver);
-}
-
-module_init(ch_init);
-module_exit(ch_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c
index a2abb8e15727..b613d5a79684 100644
--- a/drivers/hid/hid-chicony.c
+++ b/drivers/hid/hid-chicony.c
@@ -70,17 +70,6 @@ static struct hid_driver ch_driver = {
 	.id_table = ch_devices,
 	.input_mapping = ch_input_mapping,
 };
+module_hid_driver(ch_driver);
 
-static int __init ch_init(void)
-{
-	return hid_register_driver(&ch_driver);
-}
-
-static void __exit ch_exit(void)
-{
-	hid_unregister_driver(&ch_driver);
-}
-
-module_init(ch_init);
-module_exit(ch_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index f4109fd657ff..512b01c04ea7 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -92,6 +92,7 @@ EXPORT_SYMBOL_GPL(hid_register_report);
 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
 {
 	struct hid_field *field;
+	int i;
 
 	if (report->maxfield == HID_MAX_FIELDS) {
 		hid_err(report->device, "too many fields in report\n");
@@ -110,6 +111,9 @@ static struct hid_field *hid_register_field(struct hid_report *report, unsigned
 	field->value = (s32 *)(field->usage + usages);
 	field->report = report;
 
+	for (i = 0; i < usages; i++)
+		field->usage[i].usage_index = i;
+
 	return field;
 }
 
@@ -315,6 +319,7 @@ static s32 item_sdata(struct hid_item *item)
 
 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
 {
+	__u32 raw_value;
 	switch (item->tag) {
 	case HID_GLOBAL_ITEM_TAG_PUSH:
 
@@ -365,7 +370,14 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
 		return 0;
 
 	case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
-		parser->global.unit_exponent = item_sdata(item);
+		/* Units exponent negative numbers are given through a
+		 * two's complement.
+		 * See "6.2.2.7 Global Items" for more information. */
+		raw_value = item_udata(item);
+		if (!(raw_value & 0xfffffff0))
+			parser->global.unit_exponent = hid_snto32(raw_value, 4);
+		else
+			parser->global.unit_exponent = raw_value;
 		return 0;
 
 	case HID_GLOBAL_ITEM_TAG_UNIT:
@@ -713,7 +725,12 @@ static int hid_scan_report(struct hid_device *hid)
 					hid_scan_usage(hid, u);
 				break;
 			}
-		}
+		} else if (page == HID_UP_SENSOR &&
+			item.type == HID_ITEM_TYPE_MAIN &&
+			item.tag == HID_MAIN_ITEM_TAG_BEGIN_COLLECTION &&
+			(item_udata(&item) & 0xff) == HID_COLLECTION_PHYSICAL &&
+			(hid->bus == BUS_USB || hid->bus == BUS_I2C))
+			hid->group = HID_GROUP_SENSOR_HUB;
 	}
 
 	return 0;
@@ -865,6 +882,12 @@ static s32 snto32(__u32 value, unsigned n)
 	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
 }
 
+s32 hid_snto32(__u32 value, unsigned n)
+{
+	return snto32(value, n);
+}
+EXPORT_SYMBOL_GPL(hid_snto32);
+
 /*
  * Convert a signed 32-bit integer to a signed n-bit integer.
  */
@@ -1172,6 +1195,7 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
 {
 	struct hid_report_enum *report_enum = hid->report_enum + type;
 	struct hid_report *report;
+	struct hid_driver *hdrv;
 	unsigned int a;
 	int rsize, csize = size;
 	u8 *cdata = data;
@@ -1208,6 +1232,9 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
 	if (hid->claimed != HID_CLAIMED_HIDRAW) {
 		for (a = 0; a < report->maxfield; a++)
 			hid_input_field(hid, report->field[a], cdata, interrupt);
+		hdrv = hid->driver;
+		if (hdrv && hdrv->report)
+			hdrv->report(hid, report);
 	}
 
 	if (hid->claimed & HID_CLAIMED_INPUT)
@@ -1465,6 +1492,10 @@ EXPORT_SYMBOL_GPL(hid_disconnect);
  * there is a proper autodetection and autoloading in place (based on presence
  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
  * as we are doing the right thing in hid_scan_usage().
+ *
+ * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
+ * physical is found inside a usage page of type sensor, hid-sensor-hub will be
+ * used as a driver. See hid_scan_report().
  */
 static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
@@ -1538,6 +1569,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
@@ -1571,10 +1603,8 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8086, USB_DEVICE_ID_SENSOR_HUB_1020) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8086, USB_DEVICE_ID_SENSOR_HUB_09FA) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8087, USB_DEVICE_ID_SENSOR_HUB_1020) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8087, USB_DEVICE_ID_SENSOR_HUB_09FA) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
@@ -1658,6 +1688,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
@@ -1671,8 +1702,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_SENSOR_HUB_7014) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
@@ -2045,6 +2077,7 @@ static const struct hid_device_id hid_ignore_list[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_MASTERKIT, USB_DEVICE_ID_MASTERKIT_MA901RADIO) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
@@ -2150,8 +2183,13 @@ static const struct hid_device_id hid_mouse_ignore_list[] = {
 	{ }
 };
 
-static bool hid_ignore(struct hid_device *hdev)
+bool hid_ignore(struct hid_device *hdev)
 {
+	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
+		return false;
+	if (hdev->quirks & HID_QUIRK_IGNORE)
+		return true;
+
 	switch (hdev->vendor) {
 	case USB_VENDOR_ID_CODEMERCS:
 		/* ignore all Code Mercenaries IOWarrior devices */
@@ -2188,7 +2226,24 @@ static bool hid_ignore(struct hid_device *hdev)
 		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
 				hdev->type == HID_TYPE_USBNONE)
 			return true;
-	break;
+		break;
+	case USB_VENDOR_ID_DWAV:
+		/* These are handled by usbtouchscreen. hdev->type is probably
+		 * HID_TYPE_USBNONE, but we say !HID_TYPE_USBMOUSE to match
+		 * usbtouchscreen. */
+		if ((hdev->product == USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER ||
+		     hdev->product == USB_DEVICE_ID_DWAV_TOUCHCONTROLLER) &&
+		    hdev->type != HID_TYPE_USBMOUSE)
+			return true;
+		break;
+	case USB_VENDOR_ID_VELLEMAN:
+		/* These are not HID devices.  They are handled by comedi. */
+		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
+		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
+		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
+		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
+			return true;
+		break;
 	}
 
 	if (hdev->type == HID_TYPE_USBMOUSE &&
@@ -2197,6 +2252,7 @@ static bool hid_ignore(struct hid_device *hdev)
 
 	return !!hid_match_id(hdev, hid_ignore_list);
 }
+EXPORT_SYMBOL_GPL(hid_ignore);
 
 int hid_add_device(struct hid_device *hdev)
 {
@@ -2208,8 +2264,7 @@ int hid_add_device(struct hid_device *hdev)
 
 	/* we need to kill them here, otherwise they will stay allocated to
 	 * wait for coming driver */
-	if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
-            && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
+	if (hid_ignore(hdev))
 		return -ENODEV;
 
 	/*
diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c
index 3e159a50dac7..c4ef3bc726e3 100644
--- a/drivers/hid/hid-cypress.c
+++ b/drivers/hid/hid-cypress.c
@@ -144,17 +144,6 @@ static struct hid_driver cp_driver = {
 	.event = cp_event,
 	.probe = cp_probe,
 };
+module_hid_driver(cp_driver);
 
-static int __init cp_init(void)
-{
-	return hid_register_driver(&cp_driver);
-}
-
-static void __exit cp_exit(void)
-{
-	hid_unregister_driver(&cp_driver);
-}
-
-module_init(cp_init);
-module_exit(cp_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-dr.c b/drivers/hid/hid-dr.c
index e832f44ae383..0fe8f65ef01a 100644
--- a/drivers/hid/hid-dr.c
+++ b/drivers/hid/hid-dr.c
@@ -297,17 +297,6 @@ static struct hid_driver dr_driver = {
 	.report_fixup = dr_report_fixup,
 	.probe = dr_probe,
 };
+module_hid_driver(dr_driver);
 
-static int __init dr_init(void)
-{
-	return hid_register_driver(&dr_driver);
-}
-
-static void __exit dr_exit(void)
-{
-	hid_unregister_driver(&dr_driver);
-}
-
-module_init(dr_init);
-module_exit(dr_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-elecom.c b/drivers/hid/hid-elecom.c
index 79d0c61e7214..d0bd13b62dc2 100644
--- a/drivers/hid/hid-elecom.c
+++ b/drivers/hid/hid-elecom.c
@@ -41,17 +41,6 @@ static struct hid_driver elecom_driver = {
 	.id_table = elecom_devices,
 	.report_fixup = elecom_report_fixup
 };
+module_hid_driver(elecom_driver);
 
-static int __init elecom_init(void)
-{
-	return hid_register_driver(&elecom_driver);
-}
-
-static void __exit elecom_exit(void)
-{
-	hid_unregister_driver(&elecom_driver);
-}
-
-module_init(elecom_init);
-module_exit(elecom_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-emsff.c b/drivers/hid/hid-emsff.c
index 2630d483d262..2e093ab99b43 100644
--- a/drivers/hid/hid-emsff.c
+++ b/drivers/hid/hid-emsff.c
@@ -150,18 +150,7 @@ static struct hid_driver ems_driver = {
 	.id_table = ems_devices,
 	.probe = ems_probe,
 };
+module_hid_driver(ems_driver);
 
-static int ems_init(void)
-{
-	return hid_register_driver(&ems_driver);
-}
-
-static void ems_exit(void)
-{
-	hid_unregister_driver(&ems_driver);
-}
-
-module_init(ems_init);
-module_exit(ems_exit);
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/hid/hid-ezkey.c b/drivers/hid/hid-ezkey.c
index 6540af2871a7..212ac6be2451 100644
--- a/drivers/hid/hid-ezkey.c
+++ b/drivers/hid/hid-ezkey.c
@@ -76,17 +76,6 @@ static struct hid_driver ez_driver = {
 	.input_mapping = ez_input_mapping,
 	.event = ez_event,
 };
+module_hid_driver(ez_driver);
 
-static int __init ez_init(void)
-{
-	return hid_register_driver(&ez_driver);
-}
-
-static void __exit ez_exit(void)
-{
-	hid_unregister_driver(&ez_driver);
-}
-
-module_init(ez_init);
-module_exit(ez_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c
index f1e1bcf67427..04d2e6aca778 100644
--- a/drivers/hid/hid-gaff.c
+++ b/drivers/hid/hid-gaff.c
@@ -176,17 +176,6 @@ static struct hid_driver ga_driver = {
 	.id_table = ga_devices,
 	.probe = ga_probe,
 };
+module_hid_driver(ga_driver);
 
-static int __init ga_init(void)
-{
-	return hid_register_driver(&ga_driver);
-}
-
-static void __exit ga_exit(void)
-{
-	hid_unregister_driver(&ga_driver);
-}
-
-module_init(ga_init);
-module_exit(ga_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-generic.c b/drivers/hid/hid-generic.c
index a8b3148e03a2..e288a4a06fe8 100644
--- a/drivers/hid/hid-generic.c
+++ b/drivers/hid/hid-generic.c
@@ -34,19 +34,7 @@ static struct hid_driver hid_generic = {
 	.name = "hid-generic",
 	.id_table = hid_table,
 };
-
-static int __init hid_init(void)
-{
-	return hid_register_driver(&hid_generic);
-}
-
-static void __exit hid_exit(void)
-{
-	hid_unregister_driver(&hid_generic);
-}
-
-module_init(hid_init);
-module_exit(hid_exit);
+module_hid_driver(hid_generic);
 
 MODULE_AUTHOR("Henrik Rydberg");
 MODULE_DESCRIPTION("HID generic driver");
diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c
index 4442c30ef531..288d61c9748e 100644
--- a/drivers/hid/hid-gyration.c
+++ b/drivers/hid/hid-gyration.c
@@ -88,17 +88,6 @@ static struct hid_driver gyration_driver = {
 	.input_mapping = gyration_input_mapping,
 	.event = gyration_event,
 };
+module_hid_driver(gyration_driver);
 
-static int __init gyration_init(void)
-{
-	return hid_register_driver(&gyration_driver);
-}
-
-static void __exit gyration_exit(void)
-{
-	hid_unregister_driver(&gyration_driver);
-}
-
-module_init(gyration_init);
-module_exit(gyration_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c
index e0a5d1739fc3..6e1a4a4fc0c1 100644
--- a/drivers/hid/hid-holtek-kbd.c
+++ b/drivers/hid/hid-holtek-kbd.c
@@ -167,17 +167,6 @@ static struct hid_driver holtek_kbd_driver = {
 	.report_fixup = holtek_kbd_report_fixup,
 	.probe = holtek_kbd_probe
 };
+module_hid_driver(holtek_kbd_driver);
 
-static int __init holtek_kbd_init(void)
-{
-	return hid_register_driver(&holtek_kbd_driver);
-}
-
-static void __exit holtek_kbd_exit(void)
-{
-	hid_unregister_driver(&holtek_kbd_driver);
-}
-
-module_exit(holtek_kbd_exit);
-module_init(holtek_kbd_init);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-holtekff.c b/drivers/hid/hid-holtekff.c
index ff295e60059b..f34d1186a3e1 100644
--- a/drivers/hid/hid-holtekff.c
+++ b/drivers/hid/hid-holtekff.c
@@ -224,17 +224,4 @@ static struct hid_driver holtek_driver = {
 	.id_table = holtek_devices,
 	.probe = holtek_probe,
 };
-
-static int __init holtek_init(void)
-{
-	return hid_register_driver(&holtek_driver);
-}
-
-static void __exit holtek_exit(void)
-{
-	hid_unregister_driver(&holtek_driver);
-}
-
-module_init(holtek_init);
-module_exit(holtek_exit);
-
+module_hid_driver(holtek_driver);
diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 3d62781b8993..aa3fec0d9dc6 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -568,8 +568,7 @@ static int mousevsc_remove(struct hv_device *dev)
 
 static const struct hv_vmbus_device_id id_table[] = {
 	/* Mouse guid */
-	{ VMBUS_DEVICE(0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c,
-		       0xB9, 0x8B, 0x8B, 0xA1, 0xA1, 0xF3, 0xF9, 0x5A) },
+	{ HV_MOUSE_GUID, },
 	{ },
 };
 
diff --git a/drivers/hid/hid-icade.c b/drivers/hid/hid-icade.c
new file mode 100644
index 000000000000..09dcc04595f3
--- /dev/null
+++ b/drivers/hid/hid-icade.c
@@ -0,0 +1,242 @@
+/*
+ *  ION iCade input driver
+ *
+ *  Copyright (c) 2012 Bastien Nocera <hadess@hadess.net>
+ *  Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+/*
+ *   ↑      A C Y L
+ *  ← →
+ *   ↓      B X Z R
+ *
+ *
+ *  UP ON,OFF  = w,e
+ *  RT ON,OFF  = d,c
+ *  DN ON,OFF  = x,z
+ *  LT ON,OFF  = a,q
+ *  A  ON,OFF  = y,t
+ *  B  ON,OFF  = h,r
+ *  C  ON,OFF  = u,f
+ *  X  ON,OFF  = j,n
+ *  Y  ON,OFF  = i,m
+ *  Z  ON,OFF  = k,p
+ *  L  ON,OFF  = o,g
+ *  R  ON,OFF  = l,v
+ */
+
+/* The translation code uses HID usage instead of input layer
+ * keys. This code generates a lookup table that makes
+ * translation quick.
+ *
+ * #include <linux/input.h>
+ * #include <stdio.h>
+ * #include <assert.h>
+ *
+ * #define unk     KEY_UNKNOWN
+ *
+ * < copy of hid_keyboard[] from hid-input.c >
+ *
+ * struct icade_key_translation {
+ *     int         from;
+ *     const char *to;
+ *     int         press;
+ * };
+ *
+ * static const struct icade_key_translation icade_keys[] = {
+ *    { KEY_W,        "KEY_UP",         1 },
+ *    { KEY_E,        "KEY_UP",         0 },
+ *    { KEY_D,        "KEY_RIGHT",      1 },
+ *    { KEY_C,        "KEY_RIGHT",      0 },
+ *    { KEY_X,        "KEY_DOWN",       1 },
+ *    { KEY_Z,        "KEY_DOWN",       0 },
+ *    { KEY_A,        "KEY_LEFT",       1 },
+ *    { KEY_Q,        "KEY_LEFT",       0 },
+ *    { KEY_Y,        "BTN_A",          1 },
+ *    { KEY_T,        "BTN_A",          0 },
+ *    { KEY_H,        "BTN_B",          1 },
+ *    { KEY_R,        "BTN_B",          0 },
+ *    { KEY_U,        "BTN_C",          1 },
+ *    { KEY_F,        "BTN_C",          0 },
+ *    { KEY_J,        "BTN_X",          1 },
+ *    { KEY_N,        "BTN_X",          0 },
+ *    { KEY_I,        "BTN_Y",          1 },
+ *    { KEY_M,        "BTN_Y",          0 },
+ *    { KEY_K,        "BTN_Z",          1 },
+ *    { KEY_P,        "BTN_Z",          0 },
+ *    { KEY_O,        "BTN_THUMBL",     1 },
+ *    { KEY_G,        "BTN_THUMBL",     0 },
+ *    { KEY_L,        "BTN_THUMBR",     1 },
+ *    { KEY_V,        "BTN_THUMBR",     0 },
+ *
+ *    { }
+ * };
+ *
+ * static int
+ * usage_for_key (int key)
+ * {
+ *     int i;
+ *     for (i = 0; i < 256; i++) {
+ *     if (hid_keyboard[i] == key)
+ *         return i;
+ *     }
+ *     assert(0);
+ * }
+ *
+ * int main (int argc, char **argv)
+ * {
+ *     const struct icade_key_translation *trans;
+ *     int max_usage = 0;
+ *
+ *     for (trans = icade_keys; trans->from; trans++) {
+ *         int usage = usage_for_key (trans->from);
+ *         max_usage = usage > max_usage ? usage : max_usage;
+ *     }
+ *
+ *     printf ("#define ICADE_MAX_USAGE %d\n\n", max_usage);
+ *     printf ("struct icade_key {\n");
+ *     printf ("\tu16 to;\n");
+ *     printf ("\tu8 press:1;\n");
+ *     printf ("};\n\n");
+ *     printf ("static const struct icade_key "
+ *             "icade_usage_table[%d] = {\n", max_usage + 1);
+ *     for (trans = icade_keys; trans->from; trans++) {
+ *         printf ("\t[%d] = { %s, %d },\n",
+ *                 usage_for_key (trans->from), trans->to, trans->press);
+ *     }
+ *     printf ("};\n");
+ *
+ *     return 0;
+ * }
+ */
+
+#define ICADE_MAX_USAGE 29
+
+struct icade_key {
+	u16 to;
+	u8 press:1;
+};
+
+static const struct icade_key icade_usage_table[30] = {
+	[26] = { KEY_UP, 1 },
+	[8] = { KEY_UP, 0 },
+	[7] = { KEY_RIGHT, 1 },
+	[6] = { KEY_RIGHT, 0 },
+	[27] = { KEY_DOWN, 1 },
+	[29] = { KEY_DOWN, 0 },
+	[4] = { KEY_LEFT, 1 },
+	[20] = { KEY_LEFT, 0 },
+	[28] = { BTN_A, 1 },
+	[23] = { BTN_A, 0 },
+	[11] = { BTN_B, 1 },
+	[21] = { BTN_B, 0 },
+	[24] = { BTN_C, 1 },
+	[9] = { BTN_C, 0 },
+	[13] = { BTN_X, 1 },
+	[17] = { BTN_X, 0 },
+	[12] = { BTN_Y, 1 },
+	[16] = { BTN_Y, 0 },
+	[14] = { BTN_Z, 1 },
+	[19] = { BTN_Z, 0 },
+	[18] = { BTN_THUMBL, 1 },
+	[10] = { BTN_THUMBL, 0 },
+	[15] = { BTN_THUMBR, 1 },
+	[25] = { BTN_THUMBR, 0 },
+};
+
+static const struct icade_key *icade_find_translation(u16 from)
+{
+	if (from < 0 || from > ICADE_MAX_USAGE)
+		return NULL;
+	return &icade_usage_table[from];
+}
+
+static int icade_event(struct hid_device *hdev, struct hid_field *field,
+		struct hid_usage *usage, __s32 value)
+{
+	const struct icade_key *trans;
+
+	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
+			!usage->type)
+		return 0;
+
+	/* We ignore the fake key up, and act only on key down */
+	if (!value)
+		return 1;
+
+	trans = icade_find_translation(usage->hid & HID_USAGE);
+
+	if (!trans)
+		return 1;
+
+	input_event(field->hidinput->input, usage->type,
+			trans->to, trans->press);
+
+	return 1;
+}
+
+static int icade_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	const struct icade_key *trans;
+
+	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_KEYBOARD) {
+		trans = icade_find_translation(usage->hid & HID_USAGE);
+
+		if (!trans)
+			return -1;
+
+		hid_map_usage(hi, usage, bit, max, EV_KEY, trans->to);
+		set_bit(trans->to, hi->input->keybit);
+
+		return 1;
+	}
+
+	/* ignore others */
+	return -1;
+
+}
+
+static int icade_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	if (usage->type == EV_KEY)
+		set_bit(usage->type, hi->input->evbit);
+
+	return -1;
+}
+
+static const struct hid_device_id icade_devices[] = {
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
+
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, icade_devices);
+
+static struct hid_driver icade_driver = {
+	.name = "icade",
+	.id_table = icade_devices,
+	.event = icade_event,
+	.input_mapped = icade_input_mapped,
+	.input_mapping = icade_input_mapping,
+};
+module_hid_driver(icade_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Bastien Nocera <hadess@hadess.net>");
+MODULE_DESCRIPTION("ION iCade input driver");
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9d7a42857ea1..92e47e5c9564 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -257,6 +257,7 @@
 
 #define USB_VENDOR_ID_DWAV		0x0eef
 #define USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER	0x0001
+#define USB_DEVICE_ID_DWAV_TOUCHCONTROLLER	0x0002
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D	0x480d
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E	0x480e
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207	0x7207
@@ -305,6 +306,9 @@
 #define USB_VENDOR_ID_EZKEY		0x0518
 #define USB_DEVICE_ID_BTC_8193		0x0002
 
+#define USB_VENDOR_ID_FORMOSA          0x147a
+#define USB_DEVICE_ID_FORMOSA_IR_RECEIVER      0xe03e
+
 #define USB_VENDOR_ID_FREESCALE		0x15A2
 #define USB_DEVICE_ID_FREESCALE_MX28	0x004F
 
@@ -423,6 +427,9 @@
 #define USB_VENDOR_ID_ILITEK		0x222a
 #define USB_DEVICE_ID_ILITEK_MULTITOUCH	0x0001
 
+#define USB_VENDOR_ID_ION		0x15e4
+#define USB_DEVICE_ID_ICADE		0x0132
+
 #define USB_VENDOR_ID_HOLTEK		0x1241
 #define USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP	0x5015
 
@@ -432,17 +439,15 @@
 #define USB_VENDOR_ID_IMATION		0x0718
 #define USB_DEVICE_ID_DISC_STAKKA	0xd000
 
-#define USB_VENDOR_ID_INTEL_8086	0x8086
-#define USB_VENDOR_ID_INTEL_8087	0x8087
-#define USB_DEVICE_ID_SENSOR_HUB_1020	0x1020
-#define USB_DEVICE_ID_SENSOR_HUB_09FA	0x09FA
-
 #define USB_VENDOR_ID_IRTOUCHSYSTEMS	0x6615
 #define USB_DEVICE_ID_IRTOUCH_INFRARED_USB	0x0070
 
 #define USB_VENDOR_ID_JESS		0x0c45
 #define USB_DEVICE_ID_JESS_YUREX	0x1010
 
+#define USB_VENDOR_ID_JESS2		0x0f30
+#define USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD 0x0111
+
 #define USB_VENDOR_ID_KBGEAR		0x084e
 #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO	0x1001
 
@@ -523,8 +528,8 @@
 #define USB_DEVICE_ID_LOGITECH_WINGMAN_F3D	0xc283
 #define USB_DEVICE_ID_LOGITECH_FORCE3D_PRO	0xc286
 #define USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940	0xc287
-#define USB_DEVICE_ID_LOGITECH_WHEEL	0xc294
 #define USB_DEVICE_ID_LOGITECH_WINGMAN_FFG	0xc293
+#define USB_DEVICE_ID_LOGITECH_WHEEL	0xc294
 #define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL	0xc295
 #define USB_DEVICE_ID_LOGITECH_DFP_WHEEL	0xc298
 #define USB_DEVICE_ID_LOGITECH_G25_WHEEL	0xc299
@@ -552,6 +557,9 @@
 #define USB_VENDOR_ID_MADCATZ		0x0738
 #define USB_DEVICE_ID_MADCATZ_BEATPAD	0x4540
 
+#define USB_VENDOR_ID_MASTERKIT			0x16c0
+#define USB_DEVICE_ID_MASTERKIT_MA901RADIO	0x05df
+
 #define USB_VENDOR_ID_MCC		0x09db
 #define USB_DEVICE_ID_MCC_PMD1024LS	0x0076
 #define USB_DEVICE_ID_MCC_PMD1208LS	0x007a
@@ -595,6 +603,9 @@
 #define USB_VENDOR_ID_NEC		0x073e
 #define USB_DEVICE_ID_NEC_USB_GAME_PAD	0x0301
 
+#define USB_VENDOR_ID_NEXIO		0x1870
+#define USB_DEVICE_ID_NEXIO_MULTITOUCH_420	0x010d
+
 #define USB_VENDOR_ID_NEXTWINDOW	0x1926
 #define USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN	0x0003
 
@@ -603,6 +614,7 @@
 
 #define USB_VENDOR_ID_NOVATEK		0x0603
 #define USB_DEVICE_ID_NOVATEK_PCT	0x0600
+#define USB_DEVICE_ID_NOVATEK_MOUSE	0x1602
 
 #define USB_VENDOR_ID_NTRIG		0x1b96
 #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN   0x0001
@@ -677,7 +689,9 @@
 #define USB_DEVICE_ID_ROCCAT_ISKU	0x319c
 #define USB_DEVICE_ID_ROCCAT_KONE	0x2ced
 #define USB_DEVICE_ID_ROCCAT_KONEPLUS	0x2d51
+#define USB_DEVICE_ID_ROCCAT_KONEXTD	0x2e22
 #define USB_DEVICE_ID_ROCCAT_KOVAPLUS	0x2d50
+#define USB_DEVICE_ID_ROCCAT_LUA	0x2c2e
 #define USB_DEVICE_ID_ROCCAT_PYRA_WIRED	0x2c24
 #define USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS	0x2cf6
 #define USB_DEVICE_ID_ROCCAT_SAVU	0x2d5a
@@ -696,11 +710,15 @@
 #define USB_VENDOR_ID_SIGMA_MICRO	0x1c4f
 #define USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD	0x0002
 
+#define USB_VENDOR_ID_SIGMATEL		0x066F
+#define USB_DEVICE_ID_SIGMATEL_STMP3780	0x3780
+
 #define USB_VENDOR_ID_SKYCABLE			0x1223
 #define	USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER	0x3F07
 
 #define USB_VENDOR_ID_SONY			0x054c
 #define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE	0x024b
+#define USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE	0x0374
 #define USB_DEVICE_ID_SONY_PS3_BDREMOTE		0x0306
 #define USB_DEVICE_ID_SONY_PS3_CONTROLLER	0x0268
 #define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER	0x042f
@@ -714,11 +732,13 @@
 
 #define USB_VENDOR_ID_STANTUM_STM		0x0483
 #define USB_DEVICE_ID_MTP_STM		0x3261
-#define USB_DEVICE_ID_SENSOR_HUB_7014	0x7014
 
 #define USB_VENDOR_ID_STANTUM_SITRONIX		0x1403
 #define USB_DEVICE_ID_MTP_SITRONIX		0x5001
 
+#define USB_VENDOR_ID_STEELSERIES	0x1038
+#define USB_DEVICE_ID_STEELSERIES_SRWS1	0x1410
+
 #define USB_VENDOR_ID_SUN		0x0430
 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE	0xcdab
 
@@ -740,6 +760,9 @@
 #define USB_DEVICE_ID_SYNAPTICS_WTP	0x0010
 #define USB_DEVICE_ID_SYNAPTICS_DPAD	0x0013
 
+#define USB_VENDOR_ID_THINGM		0x27b8
+#define USB_DEVICE_ID_BLINK1		0x01ed
+
 #define USB_VENDOR_ID_THRUSTMASTER	0x044f
 
 #define USB_VENDOR_ID_TIVO		0x150a
@@ -762,6 +785,9 @@
 #define USB_VENDOR_ID_TOUCHPACK		0x1bfd
 #define USB_DEVICE_ID_TOUCHPACK_RTS	0x1688
 
+#define USB_VENDOR_ID_TPV		0x25aa
+#define USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN	0x8883
+
 #define USB_VENDOR_ID_TURBOX		0x062a
 #define USB_DEVICE_ID_TURBOX_KEYBOARD	0x0201
 #define USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART	0x7100
@@ -784,6 +810,12 @@
 #define USB_DEVICE_ID_UNITEC_USB_TOUCH_0709	0x0709
 #define USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19	0x0a19
 
+#define USB_VENDOR_ID_VELLEMAN		0x10cf
+#define USB_DEVICE_ID_VELLEMAN_K8055_FIRST	0x5500
+#define USB_DEVICE_ID_VELLEMAN_K8055_LAST	0x5503
+#define USB_DEVICE_ID_VELLEMAN_K8061_FIRST	0x8061
+#define USB_DEVICE_ID_VELLEMAN_K8061_LAST	0x8068
+
 #define USB_VENDOR_ID_VERNIER		0x08f7
 #define USB_DEVICE_ID_VERNIER_LABPRO	0x0001
 #define USB_DEVICE_ID_VERNIER_GOTEMP	0x0002
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index d917c0d53685..21b196c394b1 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -192,7 +192,6 @@ static int hidinput_setkeycode(struct input_dev *dev,
 	return -EINVAL;
 }
 
-
 /**
  * hidinput_calc_abs_res - calculate an absolute axis resolution
  * @field: the HID report field to calculate resolution for
@@ -208,7 +207,7 @@ static int hidinput_setkeycode(struct input_dev *dev,
  * Only exponent 1 length units are processed. Centimeters and inches are
  * converted to millimeters. Degrees are converted to radians.
  */
-static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
+__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
 {
 	__s32 unit_exponent = field->unit_exponent;
 	__s32 logical_extents = field->logical_maximum -
@@ -229,17 +228,29 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
 	case ABS_X:
 	case ABS_Y:
 	case ABS_Z:
-		if (field->unit == 0x11) {		/* If centimeters */
+	case ABS_MT_POSITION_X:
+	case ABS_MT_POSITION_Y:
+	case ABS_MT_TOOL_X:
+	case ABS_MT_TOOL_Y:
+	case ABS_MT_TOUCH_MAJOR:
+	case ABS_MT_TOUCH_MINOR:
+		if (field->unit & 0xffffff00)		/* Not a length */
+			return 0;
+		unit_exponent += hid_snto32(field->unit >> 4, 4) - 1;
+		switch (field->unit & 0xf) {
+		case 0x1:				/* If centimeters */
 			/* Convert to millimeters */
 			unit_exponent += 1;
-		} else if (field->unit == 0x13) {	/* If inches */
+			break;
+		case 0x3:				/* If inches */
 			/* Convert to millimeters */
 			prev = physical_extents;
 			physical_extents *= 254;
 			if (physical_extents < prev)
 				return 0;
 			unit_exponent -= 1;
-		} else {
+			break;
+		default:
 			return 0;
 		}
 		break;
@@ -281,8 +292,9 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
 	}
 
 	/* Calculate resolution */
-	return logical_extents / physical_extents;
+	return DIV_ROUND_CLOSEST(logical_extents, physical_extents);
 }
+EXPORT_SYMBOL_GPL(hidinput_calc_abs_res);
 
 #ifdef CONFIG_HID_BATTERY_STRENGTH
 static enum power_supply_property hidinput_battery_props[] = {
@@ -299,6 +311,9 @@ static enum power_supply_property hidinput_battery_props[] = {
 
 static const struct hid_device_id hid_battery_quirks[] = {
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
+			USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
+	HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
 			       USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
 	  HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
@@ -502,9 +517,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 				if (code <= 0xf)
 					code += BTN_JOYSTICK;
 				else
-					code += BTN_TRIGGER_HAPPY;
+					code += BTN_TRIGGER_HAPPY - 0x10;
+				break;
+		case HID_GD_GAMEPAD:
+				if (code <= 0xf)
+					code += BTN_GAMEPAD;
+				else
+					code += BTN_TRIGGER_HAPPY - 0x10;
 				break;
-		case HID_GD_GAMEPAD:  code += BTN_GAMEPAD; break;
 		default:
 			switch (field->physical) {
 			case HID_GD_MOUSE:
@@ -1146,6 +1166,38 @@ static void report_features(struct hid_device *hid)
 			}
 }
 
+static struct hid_input *hidinput_allocate(struct hid_device *hid)
+{
+	struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
+	struct input_dev *input_dev = input_allocate_device();
+	if (!hidinput || !input_dev) {
+		kfree(hidinput);
+		input_free_device(input_dev);
+		hid_err(hid, "Out of memory during hid input probe\n");
+		return NULL;
+	}
+
+	input_set_drvdata(input_dev, hid);
+	input_dev->event = hid->ll_driver->hidinput_input_event;
+	input_dev->open = hidinput_open;
+	input_dev->close = hidinput_close;
+	input_dev->setkeycode = hidinput_setkeycode;
+	input_dev->getkeycode = hidinput_getkeycode;
+
+	input_dev->name = hid->name;
+	input_dev->phys = hid->phys;
+	input_dev->uniq = hid->uniq;
+	input_dev->id.bustype = hid->bus;
+	input_dev->id.vendor  = hid->vendor;
+	input_dev->id.product = hid->product;
+	input_dev->id.version = hid->version;
+	input_dev->dev.parent = hid->dev.parent;
+	hidinput->input = input_dev;
+	list_add_tail(&hidinput->list, &hid->inputs);
+
+	return hidinput;
+}
+
 /*
  * Register the input device; print a message.
  * Configure the input layer interface
@@ -1157,7 +1209,6 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
 	struct hid_driver *drv = hid->driver;
 	struct hid_report *report;
 	struct hid_input *hidinput = NULL;
-	struct input_dev *input_dev;
 	int i, j, k;
 
 	INIT_LIST_HEAD(&hid->inputs);
@@ -1188,33 +1239,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
 				continue;
 
 			if (!hidinput) {
-				hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
-				input_dev = input_allocate_device();
-				if (!hidinput || !input_dev) {
-					kfree(hidinput);
-					input_free_device(input_dev);
-					hid_err(hid, "Out of memory during hid input probe\n");
+				hidinput = hidinput_allocate(hid);
+				if (!hidinput)
 					goto out_unwind;
-				}
-
-				input_set_drvdata(input_dev, hid);
-				input_dev->event =
-					hid->ll_driver->hidinput_input_event;
-				input_dev->open = hidinput_open;
-				input_dev->close = hidinput_close;
-				input_dev->setkeycode = hidinput_setkeycode;
-				input_dev->getkeycode = hidinput_getkeycode;
-
-				input_dev->name = hid->name;
-				input_dev->phys = hid->phys;
-				input_dev->uniq = hid->uniq;
-				input_dev->id.bustype = hid->bus;
-				input_dev->id.vendor  = hid->vendor;
-				input_dev->id.product = hid->product;
-				input_dev->id.version = hid->version;
-				input_dev->dev.parent = hid->dev.parent;
-				hidinput->input = input_dev;
-				list_add_tail(&hidinput->list, &hid->inputs);
 			}
 
 			for (i = 0; i < report->maxfield; i++)
diff --git a/drivers/hid/hid-kensington.c b/drivers/hid/hid-kensington.c
index a5b4016e9bd7..fe9a99dd8d08 100644
--- a/drivers/hid/hid-kensington.c
+++ b/drivers/hid/hid-kensington.c
@@ -47,17 +47,6 @@ static struct hid_driver ks_driver = {
 	.id_table = ks_devices,
 	.input_mapping = ks_input_mapping,
 };
+module_hid_driver(ks_driver);
 
-static int __init ks_init(void)
-{
-	return hid_register_driver(&ks_driver);
-}
-
-static void __exit ks_exit(void)
-{
-	hid_unregister_driver(&ks_driver);
-}
-
-module_init(ks_init);
-module_exit(ks_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-keytouch.c b/drivers/hid/hid-keytouch.c
index 07cd825f6f01..3074671b7d6a 100644
--- a/drivers/hid/hid-keytouch.c
+++ b/drivers/hid/hid-keytouch.c
@@ -49,18 +49,7 @@ static struct hid_driver keytouch_driver = {
 	.id_table = keytouch_devices,
 	.report_fixup = keytouch_report_fixup,
 };
+module_hid_driver(keytouch_driver);
 
-static int __init keytouch_init(void)
-{
-	return hid_register_driver(&keytouch_driver);
-}
-
-static void __exit keytouch_exit(void)
-{
-	hid_unregister_driver(&keytouch_driver);
-}
-
-module_init(keytouch_init);
-module_exit(keytouch_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jiri Kosina");
diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c
index b4f0d8216fd0..ef72daecfa16 100644
--- a/drivers/hid/hid-kye.c
+++ b/drivers/hid/hid-kye.c
@@ -419,17 +419,6 @@ static struct hid_driver kye_driver = {
 	.probe = kye_probe,
 	.report_fixup = kye_report_fixup,
 };
+module_hid_driver(kye_driver);
 
-static int __init kye_init(void)
-{
-	return hid_register_driver(&kye_driver);
-}
-
-static void __exit kye_exit(void)
-{
-	hid_unregister_driver(&kye_driver);
-}
-
-module_init(kye_init);
-module_exit(kye_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-lcpower.c b/drivers/hid/hid-lcpower.c
index 22bc14abdfa3..6424cfdb7737 100644
--- a/drivers/hid/hid-lcpower.c
+++ b/drivers/hid/hid-lcpower.c
@@ -54,17 +54,6 @@ static struct hid_driver ts_driver = {
 	.id_table = ts_devices,
 	.input_mapping = ts_input_mapping,
 };
+module_hid_driver(ts_driver);
 
-static int __init ts_init(void)
-{
-	return hid_register_driver(&ts_driver);
-}
-
-static void __exit ts_exit(void)
-{
-	hid_unregister_driver(&ts_driver);
-}
-
-module_init(ts_init);
-module_exit(ts_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-lenovo-tpkbd.c b/drivers/hid/hid-lenovo-tpkbd.c
index cea016e94f43..956c3b135f64 100644
--- a/drivers/hid/hid-lenovo-tpkbd.c
+++ b/drivers/hid/hid-lenovo-tpkbd.c
@@ -468,18 +468,6 @@ static struct hid_driver tpkbd_driver = {
 	.probe = tpkbd_probe,
 	.remove = tpkbd_remove,
 };
-
-static int __init tpkbd_init(void)
-{
-	return hid_register_driver(&tpkbd_driver);
-}
-
-static void __exit tpkbd_exit(void)
-{
-	hid_unregister_driver(&tpkbd_driver);
-}
-
-module_init(tpkbd_init);
-module_exit(tpkbd_exit);
+module_hid_driver(tpkbd_driver);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index a2f8e88b9fa2..6f12ecd36c88 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -21,8 +21,10 @@
 #include <linux/module.h>
 #include <linux/random.h>
 #include <linux/sched.h>
+#include <linux/usb.h>
 #include <linux/wait.h>
 
+#include "usbhid/usbhid.h"
 #include "hid-ids.h"
 #include "hid-lg.h"
 
@@ -40,17 +42,86 @@
 #define LG_FF3			0x1000
 #define LG_FF4			0x2000
 
-/* Size of the original descriptor of the Driving Force Pro wheel */
+/* Size of the original descriptors of the Driving Force (and Pro) wheels */
+#define DF_RDESC_ORIG_SIZE	130
 #define DFP_RDESC_ORIG_SIZE	97
+#define MOMO_RDESC_ORIG_SIZE	87
 
-/* Fixed report descriptor for Logitech Driving Force Pro wheel controller
+/* Fixed report descriptors for Logitech Driving Force (and Pro)
+ * wheel controllers
  *
- * The original descriptor hides the separate throttle and brake axes in
+ * The original descriptors hide the separate throttle and brake axes in
  * a custom vendor usage page, providing only a combined value as
  * GenericDesktop.Y.
- * This descriptor removes the combined Y axis and instead reports
+ * These descriptors remove the combined Y axis and instead report
  * separate throttle (Y) and brake (RZ).
  */
+static __u8 df_rdesc_fixed[] = {
+0x05, 0x01,         /*  Usage Page (Desktop),                   */
+0x09, 0x04,         /*  Usage (Joystik),                        */
+0xA1, 0x01,         /*  Collection (Application),               */
+0xA1, 0x02,         /*      Collection (Logical),               */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x0A,         /*          Report Size (10),               */
+0x14,               /*          Logical Minimum (0),            */
+0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */
+0x34,               /*          Physical Minimum (0),           */
+0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */
+0x09, 0x30,         /*          Usage (X),                      */
+0x81, 0x02,         /*          Input (Variable),               */
+0x95, 0x0C,         /*          Report Count (12),              */
+0x75, 0x01,         /*          Report Size (1),                */
+0x25, 0x01,         /*          Logical Maximum (1),            */
+0x45, 0x01,         /*          Physical Maximum (1),           */
+0x05, 0x09,         /*          Usage (Buttons),                */
+0x19, 0x01,         /*          Usage Minimum (1),              */
+0x29, 0x0c,         /*          Usage Maximum (12),             */
+0x81, 0x02,         /*          Input (Variable),               */
+0x95, 0x02,         /*          Report Count (2),               */
+0x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
+0x09, 0x01,         /*          Usage (?: 1),                   */
+0x81, 0x02,         /*          Input (Variable),               */
+0x05, 0x01,         /*          Usage Page (Desktop),           */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x08,         /*          Report Size (8),                */
+0x81, 0x02,         /*          Input (Variable),               */
+0x25, 0x07,         /*          Logical Maximum (7),            */
+0x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
+0x75, 0x04,         /*          Report Size (4),                */
+0x65, 0x14,         /*          Unit (Degrees),                 */
+0x09, 0x39,         /*          Usage (Hat Switch),             */
+0x81, 0x42,         /*          Input (Variable, Null State),   */
+0x75, 0x01,         /*          Report Size (1),                */
+0x95, 0x04,         /*          Report Count (4),               */
+0x65, 0x00,         /*          Unit (none),                    */
+0x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
+0x09, 0x01,         /*          Usage (?: 1),                   */
+0x25, 0x01,         /*          Logical Maximum (1),            */
+0x45, 0x01,         /*          Physical Maximum (1),           */
+0x81, 0x02,         /*          Input (Variable),               */
+0x05, 0x01,         /*          Usage Page (Desktop),           */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x08,         /*          Report Size (8),                */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x09, 0x31,         /*          Usage (Y),                      */
+0x81, 0x02,         /*          Input (Variable),               */
+0x09, 0x35,         /*          Usage (Rz),                     */
+0x81, 0x02,         /*          Input (Variable),               */
+0xC0,               /*      End Collection,                     */
+0xA1, 0x02,         /*      Collection (Logical),               */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x95, 0x07,         /*          Report Count (7),               */
+0x75, 0x08,         /*          Report Size (8),                */
+0x09, 0x03,         /*          Usage (?: 3),                   */
+0x91, 0x02,         /*          Output (Variable),              */
+0xC0,               /*      End Collection,                     */
+0xC0                /*  End Collection                          */
+};
+
 static __u8 dfp_rdesc_fixed[] = {
 0x05, 0x01,         /*  Usage Page (Desktop),                   */
 0x09, 0x04,         /*  Usage (Joystik),                        */
@@ -99,6 +170,51 @@ static __u8 dfp_rdesc_fixed[] = {
 0xC0                /*  End Collection                          */
 };
 
+static __u8 momo_rdesc_fixed[] = {
+0x05, 0x01,         /*  Usage Page (Desktop),               */
+0x09, 0x04,         /*  Usage (Joystik),                    */
+0xA1, 0x01,         /*  Collection (Application),           */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x95, 0x01,         /*          Report Count (1),           */
+0x75, 0x0A,         /*          Report Size (10),           */
+0x15, 0x00,         /*          Logical Minimum (0),        */
+0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
+0x35, 0x00,         /*          Physical Minimum (0),       */
+0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
+0x09, 0x30,         /*          Usage (X),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x95, 0x08,         /*          Report Count (8),           */
+0x75, 0x01,         /*          Report Size (1),            */
+0x25, 0x01,         /*          Logical Maximum (1),        */
+0x45, 0x01,         /*          Physical Maximum (1),       */
+0x05, 0x09,         /*          Usage Page (Button),        */
+0x19, 0x01,         /*          Usage Minimum (01h),        */
+0x29, 0x08,         /*          Usage Maximum (08h),        */
+0x81, 0x02,         /*          Input (Variable),           */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
+0x75, 0x0E,         /*          Report Size (14),           */
+0x95, 0x01,         /*          Report Count (1),           */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
+0x09, 0x00,         /*          Usage (00h),                */
+0x81, 0x02,         /*          Input (Variable),           */
+0x05, 0x01,         /*          Usage Page (Desktop),       */
+0x75, 0x08,         /*          Report Size (8),            */
+0x09, 0x31,         /*          Usage (Y),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x09, 0x32,         /*          Usage (Z),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
+0x09, 0x01,         /*          Usage (01h),                */
+0x81, 0x02,         /*          Input (Variable),           */
+0xC0,               /*      End Collection,                 */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x09, 0x02,         /*          Usage (02h),                */
+0x95, 0x07,         /*          Report Count (7),           */
+0x91, 0x02,         /*          Output (Variable),          */
+0xC0,               /*      End Collection,                 */
+0xC0                /*  End Collection                      */
+};
 
 /*
  * Certain Logitech keyboards send in report #3 keys which are far
@@ -109,6 +225,8 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
 	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
+	struct usb_device_descriptor *udesc;
+	__u16 bcdDevice, rev_maj, rev_min;
 
 	if ((drv_data->quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 &&
 			rdesc[84] == 0x8c && rdesc[85] == 0x02) {
@@ -124,17 +242,39 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 			 "fixing up rel/abs in Logitech report descriptor\n");
 		rdesc[33] = rdesc[50] = 0x02;
 	}
-	if ((drv_data->quirks & LG_FF4) && *rsize >= 101 &&
-			rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
-			rdesc[47] == 0x05 && rdesc[48] == 0x09) {
-		hid_info(hdev, "fixing up Logitech Speed Force Wireless button descriptor\n");
-		rdesc[41] = 0x05;
-		rdesc[42] = 0x09;
-		rdesc[47] = 0x95;
-		rdesc[48] = 0x0B;
-	}
 
 	switch (hdev->product) {
+
+	/* Several wheels report as this id when operating in emulation mode. */
+	case USB_DEVICE_ID_LOGITECH_WHEEL:
+		udesc = &(hid_to_usb_dev(hdev)->descriptor);
+		if (!udesc) {
+			hid_err(hdev, "NULL USB device descriptor\n");
+			break;
+		}
+		bcdDevice = le16_to_cpu(udesc->bcdDevice);
+		rev_maj = bcdDevice >> 8;
+		rev_min = bcdDevice & 0xff;
+
+		/* Update the report descriptor for only the Driving Force wheel */
+		if (rev_maj == 1 && rev_min == 2 &&
+				*rsize == DF_RDESC_ORIG_SIZE) {
+			hid_info(hdev,
+				"fixing up Logitech Driving Force report descriptor\n");
+			rdesc = df_rdesc_fixed;
+			*rsize = sizeof(df_rdesc_fixed);
+		}
+		break;
+
+	case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
+		if (*rsize == MOMO_RDESC_ORIG_SIZE) {
+			hid_info(hdev,
+				"fixing up Logitech Momo Force (Red) report descriptor\n");
+			rdesc = momo_rdesc_fixed;
+			*rsize = sizeof(momo_rdesc_fixed);
+		}
+		break;
+
 	case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
 		if (*rsize == DFP_RDESC_ORIG_SIZE) {
 			hid_info(hdev,
@@ -143,6 +283,17 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 			*rsize = sizeof(dfp_rdesc_fixed);
 		}
 		break;
+
+	case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
+		if (*rsize >= 101 && rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
+				rdesc[47] == 0x05 && rdesc[48] == 0x09) {
+			hid_info(hdev, "fixing up Logitech Speed Force Wireless report descriptor\n");
+			rdesc[41] = 0x05;
+			rdesc[42] = 0x09;
+			rdesc[47] = 0x95;
+			rdesc[48] = 0x0B;
+		}
+		break;
 	}
 
 	return rdesc;
@@ -328,6 +479,26 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
 			 usage->type == EV_REL || usage->type == EV_ABS))
 		clear_bit(usage->code, *bit);
 
+	/* Ensure that Logitech wheels are not given a default fuzz/flat value */
+	if (usage->type == EV_ABS && (usage->code == ABS_X ||
+			usage->code == ABS_Y || usage->code == ABS_Z ||
+			usage->code == ABS_RZ)) {
+		switch (hdev->product) {
+		case USB_DEVICE_ID_LOGITECH_WHEEL:
+		case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
+		case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
+		case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
+		case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
+		case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
+		case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
+		case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
+			field->application = HID_GD_MULTIAXIS;
+			break;
+		default:
+			break;
+		}
+	}
+
 	return 0;
 }
 
@@ -465,7 +636,7 @@ static const struct hid_device_id lg_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
 		.driver_data = LG_FF },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
-		.driver_data = LG_FF4 },
+		.driver_data = LG_NOGET | LG_FF4 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
 		.driver_data = LG_FF4 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
@@ -503,17 +674,6 @@ static struct hid_driver lg_driver = {
 	.probe = lg_probe,
 	.remove = lg_remove,
 };
+module_hid_driver(lg_driver);
 
-static int __init lg_init(void)
-{
-	return hid_register_driver(&lg_driver);
-}
-
-static void __exit lg_exit(void)
-{
-	hid_unregister_driver(&lg_driver);
-}
-
-module_init(lg_init);
-module_exit(lg_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index d7947c701f30..65a6ec8d3742 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -43,11 +43,6 @@
 #define G27_REV_MAJ 0x12
 #define G27_REV_MIN 0x38
 
-#define DFP_X_MIN 0
-#define DFP_X_MAX 16383
-#define DFP_PEDAL_MIN 0
-#define DFP_PEDAL_MAX 255
-
 #define to_hid_device(pdev) container_of(pdev, struct hid_device, dev)
 
 static void hid_lg4ff_set_range_dfp(struct hid_device *hid, u16 range);
@@ -598,18 +593,6 @@ int lg4ff_init(struct hid_device *hid)
 		return error;
 	dbg_hid("sysfs interface created\n");
 
-	/* Set default axes parameters */
-	switch (lg4ff_devices[i].product_id) {
-	case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
-		dbg_hid("Setting axes parameters for Driving Force Pro\n");
-		input_set_abs_params(dev, ABS_X, DFP_X_MIN, DFP_X_MAX, 0, 0);
-		input_set_abs_params(dev, ABS_Y, DFP_PEDAL_MIN, DFP_PEDAL_MAX, 0, 0);
-		input_set_abs_params(dev, ABS_RZ, DFP_PEDAL_MIN, DFP_PEDAL_MAX, 0, 0);
-		break;
-	default:
-		break;
-	}
-
 	/* Set the maximum range to start with */
 	entry->range = entry->max_range;
 	if (entry->set_range != NULL)
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index 9500f2f3f8fe..8758f38c948c 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -459,19 +459,25 @@ static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev,
 				    struct dj_report *dj_report)
 {
 	struct hid_device *hdev = djrcv_dev->hdev;
-	int sent_bytes;
+	struct hid_report *report;
+	struct hid_report_enum *output_report_enum;
+	u8 *data = (u8 *)(&dj_report->device_index);
+	int i;
 
-	if (!hdev->hid_output_raw_report) {
-		dev_err(&hdev->dev, "%s:"
-			"hid_output_raw_report is null\n", __func__);
+	output_report_enum = &hdev->report_enum[HID_OUTPUT_REPORT];
+	report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT];
+
+	if (!report) {
+		dev_err(&hdev->dev, "%s: unable to find dj report\n", __func__);
 		return -ENODEV;
 	}
 
-	sent_bytes = hdev->hid_output_raw_report(hdev, (u8 *) dj_report,
-						 sizeof(struct dj_report),
-						 HID_OUTPUT_REPORT);
+	for (i = 0; i < report->field[0]->report_count; i++)
+		report->field[0]->value[i] = data[i];
+
+	usbhid_submit_report(hdev, report, USB_DIR_OUT);
 
-	return (sent_bytes < 0) ? sent_bytes : 0;
+	return 0;
 }
 
 static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 25ddf3e3aec6..f7f113ba083e 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -569,23 +569,6 @@ static struct hid_driver magicmouse_driver = {
 	.raw_event = magicmouse_raw_event,
 	.input_mapping = magicmouse_input_mapping,
 };
+module_hid_driver(magicmouse_driver);
 
-static int __init magicmouse_init(void)
-{
-	int ret;
-
-	ret = hid_register_driver(&magicmouse_driver);
-	if (ret)
-		pr_err("can't register magicmouse driver\n");
-
-	return ret;
-}
-
-static void __exit magicmouse_exit(void)
-{
-	hid_unregister_driver(&magicmouse_driver);
-}
-
-module_init(magicmouse_init);
-module_exit(magicmouse_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index f676c01bb471..29d27f65a118 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -46,9 +46,9 @@ static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		rdesc[559] = 0x45;
 	}
 	/* the same as above (s/usage/physical/) */
-	if ((quirks & MS_RDESC_3K) && *rsize == 106 &&
-			!memcmp((char []){ 0x19, 0x00, 0x29, 0xff },
-				&rdesc[94], 4)) {
+	if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
+			rdesc[95] == 0x00 && rdesc[96] == 0x29 &&
+			rdesc[97] == 0xff) {
 		rdesc[94] = 0x35;
 		rdesc[96] = 0x45;
 	}
@@ -221,17 +221,6 @@ static struct hid_driver ms_driver = {
 	.event = ms_event,
 	.probe = ms_probe,
 };
+module_hid_driver(ms_driver);
 
-static int __init ms_init(void)
-{
-	return hid_register_driver(&ms_driver);
-}
-
-static void __exit ms_exit(void)
-{
-	hid_unregister_driver(&ms_driver);
-}
-
-module_init(ms_init);
-module_exit(ms_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-monterey.c b/drivers/hid/hid-monterey.c
index cd3643e06fa6..9e14c00eb1b6 100644
--- a/drivers/hid/hid-monterey.c
+++ b/drivers/hid/hid-monterey.c
@@ -63,17 +63,6 @@ static struct hid_driver mr_driver = {
 	.report_fixup = mr_report_fixup,
 	.input_mapping = mr_input_mapping,
 };
+module_hid_driver(mr_driver);
 
-static int __init mr_init(void)
-{
-	return hid_register_driver(&mr_driver);
-}
-
-static void __exit mr_exit(void)
-{
-	hid_unregister_driver(&mr_driver);
-}
-
-module_init(mr_init);
-module_exit(mr_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 7867d69f0efe..7a1ebb867cf4 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -52,11 +52,15 @@ MODULE_LICENSE("GPL");
 #define MT_QUIRK_VALID_IS_CONFIDENCE	(1 << 6)
 #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE	(1 << 8)
 #define MT_QUIRK_NO_AREA		(1 << 9)
+#define MT_QUIRK_IGNORE_DUPLICATES	(1 << 10)
+#define MT_QUIRK_HOVERING		(1 << 11)
+#define MT_QUIRK_CONTACT_CNT_ACCURATE	(1 << 12)
 
 struct mt_slot {
-	__s32 x, y, p, w, h;
+	__s32 x, y, cx, cy, p, w, h;
 	__s32 contactid;	/* the device ContactID assigned to this slot */
 	bool touch_state;	/* is the touch valid? */
+	bool inrange_state;	/* is the finger in proximity of the sensor? */
 };
 
 struct mt_class {
@@ -80,8 +84,11 @@ struct mt_device {
 	struct mt_class mtclass;	/* our mt device class */
 	struct mt_fields *fields;	/* temporary placeholder for storing the
 					   multitouch fields */
+	int cc_index;	/* contact count field index in the report */
+	int cc_value_index;	/* contact count value index in the field */
 	unsigned last_field_index;	/* last field index of the report */
 	unsigned last_slot_field;	/* the last field of a slot */
+	unsigned mt_report_id;	/* the report ID of the multitouch device */
 	__s8 inputmode;		/* InputMode HID feature, -1 if non-existent */
 	__s8 inputmode_index;	/* InputMode HID feature index in the report */
 	__s8 maxcontact_report_id;	/* Maximum Contact Number HID feature,
@@ -108,6 +115,9 @@ struct mt_device {
 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER	0x0007
 #define MT_CLS_DUAL_NSMU_CONTACTID		0x0008
 #define MT_CLS_INRANGE_CONTACTNUMBER		0x0009
+#define MT_CLS_NSMU				0x000a
+#define MT_CLS_DUAL_CONTACT_NUMBER		0x0010
+#define MT_CLS_DUAL_CONTACT_ID			0x0011
 
 /* vendor specific classes */
 #define MT_CLS_3M				0x0101
@@ -121,6 +131,7 @@ struct mt_device {
 #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS	0x0109
 
 #define MT_DEFAULT_MAXCONTACT	10
+#define MT_MAX_MAXCONTACT	250
 
 #define MT_USB_DEVICE(v, p)	HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
 #define MT_BT_DEVICE(v, p)	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
@@ -140,6 +151,9 @@ static int cypress_compute_slot(struct mt_device *td)
 
 static struct mt_class mt_classes[] = {
 	{ .name = MT_CLS_DEFAULT,
+		.quirks = MT_QUIRK_ALWAYS_VALID |
+			MT_QUIRK_CONTACT_CNT_ACCURATE },
+	{ .name = MT_CLS_NSMU,
 		.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
 	{ .name = MT_CLS_SERIAL,
 		.quirks = MT_QUIRK_ALWAYS_VALID},
@@ -166,6 +180,16 @@ static struct mt_class mt_classes[] = {
 	{ .name = MT_CLS_INRANGE_CONTACTNUMBER,
 		.quirks = MT_QUIRK_VALID_IS_INRANGE |
 			MT_QUIRK_SLOT_IS_CONTACTNUMBER },
+	{ .name = MT_CLS_DUAL_CONTACT_NUMBER,
+		.quirks = MT_QUIRK_ALWAYS_VALID |
+			MT_QUIRK_CONTACT_CNT_ACCURATE |
+			MT_QUIRK_SLOT_IS_CONTACTNUMBER,
+		.maxcontacts = 2 },
+	{ .name = MT_CLS_DUAL_CONTACT_ID,
+		.quirks = MT_QUIRK_ALWAYS_VALID |
+			MT_QUIRK_CONTACT_CNT_ACCURATE |
+			MT_QUIRK_SLOT_IS_CONTACTID,
+		.maxcontacts = 2 },
 
 	/*
 	 * vendor specific classes
@@ -246,6 +270,9 @@ static ssize_t mt_set_quirks(struct device *dev,
 
 	td->mtclass.quirks = val;
 
+	if (td->cc_index < 0)
+		td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
+
 	return count;
 }
 
@@ -282,11 +309,27 @@ static void mt_feature_mapping(struct hid_device *hdev,
 	case HID_DG_CONTACTMAX:
 		td->maxcontact_report_id = field->report->id;
 		td->maxcontacts = field->value[0];
+		if (!td->maxcontacts &&
+		    field->logical_maximum <= MT_MAX_MAXCONTACT)
+			td->maxcontacts = field->logical_maximum;
 		if (td->mtclass.maxcontacts)
 			/* check if the maxcontacts is given by the class */
 			td->maxcontacts = td->mtclass.maxcontacts;
 
 		break;
+	case 0xff0000c5:
+		if (field->report_count == 256 && field->report_size == 8) {
+			/* Win 8 devices need special quirks */
+			__s32 *quirks = &td->mtclass.quirks;
+			*quirks |= MT_QUIRK_ALWAYS_VALID;
+			*quirks |= MT_QUIRK_IGNORE_DUPLICATES;
+			*quirks |= MT_QUIRK_HOVERING;
+			*quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
+			*quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
+			*quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
+			*quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
+		}
+		break;
 	}
 }
 
@@ -297,6 +340,7 @@ static void set_abs(struct input_dev *input, unsigned int code,
 	int fmax = field->logical_maximum;
 	int fuzz = snratio ? (fmax - fmin) / snratio : 0;
 	input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
+	input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
 }
 
 static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
@@ -317,6 +361,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 	struct mt_device *td = hid_get_drvdata(hdev);
 	struct mt_class *cls = &td->mtclass;
 	int code;
+	struct hid_usage *prev_usage = NULL;
 
 	/* Only map fields from TouchScreen or TouchPad collections.
 	* We need to ignore fields that belong to other collections
@@ -339,23 +384,42 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 	if (field->physical == HID_DG_STYLUS)
 		return -1;
 
+	if (usage->usage_index)
+		prev_usage = &field->usage[usage->usage_index - 1];
+
 	switch (usage->hid & HID_USAGE_PAGE) {
 
 	case HID_UP_GENDESK:
 		switch (usage->hid) {
 		case HID_GD_X:
-			hid_map_usage(hi, usage, bit, max,
+			if (prev_usage && (prev_usage->hid == usage->hid)) {
+				hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_TOOL_X);
+				set_abs(hi->input, ABS_MT_TOOL_X, field,
+					cls->sn_move);
+			} else {
+				hid_map_usage(hi, usage, bit, max,
 					EV_ABS, ABS_MT_POSITION_X);
-			set_abs(hi->input, ABS_MT_POSITION_X, field,
-				cls->sn_move);
+				set_abs(hi->input, ABS_MT_POSITION_X, field,
+					cls->sn_move);
+			}
+
 			mt_store_field(usage, td, hi);
 			td->last_field_index = field->index;
 			return 1;
 		case HID_GD_Y:
-			hid_map_usage(hi, usage, bit, max,
+			if (prev_usage && (prev_usage->hid == usage->hid)) {
+				hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_TOOL_Y);
+				set_abs(hi->input, ABS_MT_TOOL_Y, field,
+					cls->sn_move);
+			} else {
+				hid_map_usage(hi, usage, bit, max,
 					EV_ABS, ABS_MT_POSITION_Y);
-			set_abs(hi->input, ABS_MT_POSITION_Y, field,
-				cls->sn_move);
+				set_abs(hi->input, ABS_MT_POSITION_Y, field,
+					cls->sn_move);
+			}
+
 			mt_store_field(usage, td, hi);
 			td->last_field_index = field->index;
 			return 1;
@@ -365,6 +429,12 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 	case HID_UP_DIGITIZER:
 		switch (usage->hid) {
 		case HID_DG_INRANGE:
+			if (cls->quirks & MT_QUIRK_HOVERING) {
+				hid_map_usage(hi, usage, bit, max,
+					EV_ABS, ABS_MT_DISTANCE);
+				input_set_abs_params(hi->input,
+					ABS_MT_DISTANCE, 0, 1, 0, 0);
+			}
 			mt_store_field(usage, td, hi);
 			td->last_field_index = field->index;
 			return 1;
@@ -382,6 +452,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			mt_store_field(usage, td, hi);
 			td->last_field_index = field->index;
 			td->touches_by_report++;
+			td->mt_report_id = field->report->id;
 			return 1;
 		case HID_DG_WIDTH:
 			hid_map_usage(hi, usage, bit, max,
@@ -413,6 +484,8 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			td->last_field_index = field->index;
 			return 1;
 		case HID_DG_CONTACTCOUNT:
+			td->cc_index = field->index;
+			td->cc_value_index = usage->usage_index;
 			td->last_field_index = field->index;
 			return 1;
 		case HID_DG_CONTACTMAX:
@@ -477,18 +550,30 @@ static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
  */
 static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
 {
-	if (td->curvalid) {
+	if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
+	    td->num_received >= td->num_expected)
+		return;
+
+	if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
 		int slotnum = mt_compute_slot(td, input);
 		struct mt_slot *s = &td->curdata;
+		struct input_mt *mt = input->mt;
 
 		if (slotnum < 0 || slotnum >= td->maxcontacts)
 			return;
 
+		if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
+			struct input_mt_slot *slot = &mt->slots[slotnum];
+			if (input_mt_is_active(slot) &&
+			    input_mt_is_used(mt, slot))
+				return;
+		}
+
 		input_mt_slot(input, slotnum);
 		input_mt_report_slot_state(input, MT_TOOL_FINGER,
-			s->touch_state);
-		if (s->touch_state) {
-			/* this finger is on the screen */
+			s->touch_state || s->inrange_state);
+		if (s->touch_state || s->inrange_state) {
+			/* this finger is in proximity of the sensor */
 			int wide = (s->w > s->h);
 			/* divided by two to match visual scale of touch */
 			int major = max(s->w, s->h) >> 1;
@@ -496,6 +581,10 @@ static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
 
 			input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
 			input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
+			input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
+			input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
+			input_event(input, EV_ABS, ABS_MT_DISTANCE,
+				!s->touch_state);
 			input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
 			input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
 			input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
@@ -520,16 +609,26 @@ static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
 static int mt_event(struct hid_device *hid, struct hid_field *field,
 				struct hid_usage *usage, __s32 value)
 {
+	/* we will handle the hidinput part later, now remains hiddev */
+	if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
+		hid->hiddev_hid_event(hid, field, usage, value);
+
+	return 1;
+}
+
+static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
+				struct hid_usage *usage, __s32 value)
+{
 	struct mt_device *td = hid_get_drvdata(hid);
 	__s32 quirks = td->mtclass.quirks;
 
 	if (hid->claimed & HID_CLAIMED_INPUT) {
 		switch (usage->hid) {
 		case HID_DG_INRANGE:
-			if (quirks & MT_QUIRK_ALWAYS_VALID)
-				td->curvalid = true;
-			else if (quirks & MT_QUIRK_VALID_IS_INRANGE)
+			if (quirks & MT_QUIRK_VALID_IS_INRANGE)
 				td->curvalid = value;
+			if (quirks & MT_QUIRK_HOVERING)
+				td->curdata.inrange_state = value;
 			break;
 		case HID_DG_TIPSWITCH:
 			if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
@@ -547,10 +646,16 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
 			td->curdata.p = value;
 			break;
 		case HID_GD_X:
-			td->curdata.x = value;
+			if (usage->code == ABS_MT_TOOL_X)
+				td->curdata.cx = value;
+			else
+				td->curdata.x = value;
 			break;
 		case HID_GD_Y:
-			td->curdata.y = value;
+			if (usage->code == ABS_MT_TOOL_Y)
+				td->curdata.cy = value;
+			else
+				td->curdata.y = value;
 			break;
 		case HID_DG_WIDTH:
 			td->curdata.w = value;
@@ -559,36 +664,63 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
 			td->curdata.h = value;
 			break;
 		case HID_DG_CONTACTCOUNT:
-			/*
-			 * Includes multi-packet support where subsequent
-			 * packets are sent with zero contactcount.
-			 */
-			if (value)
-				td->num_expected = value;
 			break;
 		case HID_DG_TOUCH:
 			/* do nothing */
 			break;
 
 		default:
-			/* fallback to the generic hidinput handling */
-			return 0;
+			return;
 		}
 
-		if (usage->hid == td->last_slot_field)
-			mt_complete_slot(td, field->hidinput->input);
+		if (usage->usage_index + 1 == field->report_count) {
+			/* we only take into account the last report. */
+			if (usage->hid == td->last_slot_field)
+				mt_complete_slot(td, field->hidinput->input);
 
-		if (field->index == td->last_field_index
-			&& td->num_received >= td->num_expected)
-			mt_sync_frame(td, field->hidinput->input);
+			if (field->index == td->last_field_index
+				&& td->num_received >= td->num_expected)
+				mt_sync_frame(td, field->hidinput->input);
+		}
 
 	}
+}
 
-	/* we have handled the hidinput part, now remains hiddev */
-	if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
-		hid->hiddev_hid_event(hid, field, usage, value);
+static void mt_report(struct hid_device *hid, struct hid_report *report)
+{
+	struct mt_device *td = hid_get_drvdata(hid);
+	struct hid_field *field;
+	unsigned count;
+	int r, n;
 
-	return 1;
+	if (report->id != td->mt_report_id)
+		return;
+
+	if (!(hid->claimed & HID_CLAIMED_INPUT))
+		return;
+
+	/*
+	 * Includes multi-packet support where subsequent
+	 * packets are sent with zero contactcount.
+	 */
+	if (td->cc_index >= 0) {
+		struct hid_field *field = report->field[td->cc_index];
+		int value = field->value[td->cc_value_index];
+		if (value)
+			td->num_expected = value;
+	}
+
+	for (r = 0; r < report->maxfield; r++) {
+		field = report->field[r];
+		count = field->report_count;
+
+		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
+			continue;
+
+		for (n = 0; n < count; n++)
+			mt_process_mt_event(hid, field, &field->usage[n],
+					field->value[n]);
+	}
 }
 
 static void mt_set_input_mode(struct hid_device *hdev)
@@ -644,6 +776,7 @@ static void mt_post_parse_default_settings(struct mt_device *td)
 		quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
 		quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
 		quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
+		quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
 	}
 
 	td->mtclass.quirks = quirks;
@@ -652,11 +785,15 @@ static void mt_post_parse_default_settings(struct mt_device *td)
 static void mt_post_parse(struct mt_device *td)
 {
 	struct mt_fields *f = td->fields;
+	struct mt_class *cls = &td->mtclass;
 
 	if (td->touches_by_report > 0) {
 		int field_count_per_touch = f->length / td->touches_by_report;
 		td->last_slot_field = f->usages[field_count_per_touch - 1];
 	}
+
+	if (td->cc_index < 0)
+		cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
 }
 
 static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
@@ -714,6 +851,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	td->mtclass = *mtclass;
 	td->inputmode = -1;
 	td->maxcontact_report_id = -1;
+	td->cc_index = -1;
 	hid_set_drvdata(hdev, td);
 
 	td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
@@ -808,7 +946,7 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_3M3266) },
 
 	/* ActionStar panels */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
 			USB_DEVICE_ID_ACTIONSTAR_1011) },
 
@@ -821,14 +959,14 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
 
 	/* Baanto multitouch devices */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
 			USB_DEVICE_ID_BAANTO_MT_190W2) },
 	/* Cando panels */
 	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
 		MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
 			USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
-	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
+	{ .driver_data = MT_CLS_DUAL_CONTACT_NUMBER,
 		MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
 			USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
 	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
@@ -839,12 +977,12 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
 
 	/* Chunghwa Telecom touch panels */
-	{  .driver_data = MT_CLS_DEFAULT,
+	{  .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
 			USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
 
 	/* CVTouch panels */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
 			USB_DEVICE_ID_CVTOUCH_SCREEN) },
 
@@ -915,7 +1053,7 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
 
 	/* Elo TouchSystems IntelliTouch Plus panel */
-	{ .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
+	{ .driver_data = MT_CLS_DUAL_CONTACT_ID,
 		MT_USB_DEVICE(USB_VENDOR_ID_ELO,
 			USB_DEVICE_ID_ELO_TS2515) },
 
@@ -933,12 +1071,12 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
 
 	/* Gametel game controller */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
 			USB_DEVICE_ID_GAMETEL_MT_MODE) },
 
 	/* GoodTouch panels */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
 			USB_DEVICE_ID_GOODTOUCH_000f) },
 
@@ -956,7 +1094,7 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_IDEACOM_IDC6651) },
 
 	/* Ilitek dual touch panel */
-	{  .driver_data = MT_CLS_DEFAULT,
+	{  .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
 			USB_DEVICE_ID_ILITEK_MULTITOUCH) },
 
@@ -989,6 +1127,11 @@ static const struct hid_device_id mt_devices[] = {
 		MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
 			USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
 
+	/* Nexio panels */
+	{ .driver_data = MT_CLS_DEFAULT,
+		MT_USB_DEVICE(USB_VENDOR_ID_NEXIO,
+			USB_DEVICE_ID_NEXIO_MULTITOUCH_420)},
+
 	/* Panasonic panels */
 	{ .driver_data = MT_CLS_PANASONIC,
 		MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
@@ -998,7 +1141,7 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_PANABOARD_UBT880) },
 
 	/* Novatek Panel */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
 			USB_DEVICE_ID_NOVATEK_PCT) },
 
@@ -1044,7 +1187,7 @@ static const struct hid_device_id mt_devices[] = {
 	{ .driver_data = MT_CLS_CONFIDENCE,
 		MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
 			USB_DEVICE_ID_MTP_STM)},
-	{ .driver_data = MT_CLS_CONFIDENCE,
+	{ .driver_data = MT_CLS_DEFAULT,
 		MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
 			USB_DEVICE_ID_MTP_SITRONIX)},
 
@@ -1054,48 +1197,48 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
 
 	/* Touch International panels */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
 			USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
 
 	/* Unitec panels */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
 			USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
 			USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
 	/* XAT */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XAT,
 			USB_DEVICE_ID_XAT_CSR) },
 
 	/* Xiroku */
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
 			USB_DEVICE_ID_XIROKU_SPX) },
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
 			USB_DEVICE_ID_XIROKU_MPX) },
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
 			USB_DEVICE_ID_XIROKU_CSR) },
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
 			USB_DEVICE_ID_XIROKU_SPX1) },
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
 			USB_DEVICE_ID_XIROKU_MPX1) },
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
 			USB_DEVICE_ID_XIROKU_CSR1) },
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
 			USB_DEVICE_ID_XIROKU_SPX2) },
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
 			USB_DEVICE_ID_XIROKU_MPX2) },
-	{ .driver_data = MT_CLS_DEFAULT,
+	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
 			USB_DEVICE_ID_XIROKU_CSR2) },
 
@@ -1126,21 +1269,10 @@ static struct hid_driver mt_driver = {
 	.feature_mapping = mt_feature_mapping,
 	.usage_table = mt_grabbed_usages,
 	.event = mt_event,
+	.report = mt_report,
 #ifdef CONFIG_PM
 	.reset_resume = mt_reset_resume,
 	.resume = mt_resume,
 #endif
 };
-
-static int __init mt_init(void)
-{
-	return hid_register_driver(&mt_driver);
-}
-
-static void __exit mt_exit(void)
-{
-	hid_unregister_driver(&mt_driver);
-}
-
-module_init(mt_init);
-module_exit(mt_exit);
+module_hid_driver(mt_driver);
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 86a969f63292..7757e82416e7 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -858,12 +858,43 @@ not_claimed_input:
 	return 1;
 }
 
+static void ntrig_input_configured(struct hid_device *hid,
+		struct hid_input *hidinput)
+
+{
+	struct input_dev *input = hidinput->input;
+
+	if (hidinput->report->maxfield < 1)
+		return;
+
+	switch (hidinput->report->field[0]->application) {
+	case HID_DG_PEN:
+		input->name = "N-Trig Pen";
+		break;
+	case HID_DG_TOUCHSCREEN:
+		/* These keys are redundant for fingers, clear them
+		 * to prevent incorrect identification */
+		__clear_bit(BTN_TOOL_PEN, input->keybit);
+		__clear_bit(BTN_TOOL_FINGER, input->keybit);
+		__clear_bit(BTN_0, input->keybit);
+		__set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
+		/*
+		 * The physical touchscreen (single touch)
+		 * input has a value for physical, whereas
+		 * the multitouch only has logical input
+		 * fields.
+		 */
+		input->name = (hidinput->report->field[0]->physical) ?
+							"N-Trig Touchscreen" :
+							"N-Trig MultiTouch";
+		break;
+	}
+}
+
 static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	int ret;
 	struct ntrig_data *nd;
-	struct hid_input *hidinput;
-	struct input_dev *input;
 	struct hid_report *report;
 
 	if (id->driver_data)
@@ -901,38 +932,6 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
 		goto err_free;
 	}
 
-
-	list_for_each_entry(hidinput, &hdev->inputs, list) {
-		if (hidinput->report->maxfield < 1)
-			continue;
-
-		input = hidinput->input;
-		switch (hidinput->report->field[0]->application) {
-		case HID_DG_PEN:
-			input->name = "N-Trig Pen";
-			break;
-		case HID_DG_TOUCHSCREEN:
-			/* These keys are redundant for fingers, clear them
-			 * to prevent incorrect identification */
-			__clear_bit(BTN_TOOL_PEN, input->keybit);
-			__clear_bit(BTN_TOOL_FINGER, input->keybit);
-			__clear_bit(BTN_0, input->keybit);
-			__set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
-			/*
-			 * The physical touchscreen (single touch)
-			 * input has a value for physical, whereas
-			 * the multitouch only has logical input
-			 * fields.
-			 */
-			input->name =
-				(hidinput->report->field[0]
-				 ->physical) ?
-				"N-Trig Touchscreen" :
-				"N-Trig MultiTouch";
-			break;
-		}
-	}
-
 	/* This is needed for devices with more recent firmware versions */
 	report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[0x0a];
 	if (report) {
@@ -1023,20 +1022,10 @@ static struct hid_driver ntrig_driver = {
 	.remove = ntrig_remove,
 	.input_mapping = ntrig_input_mapping,
 	.input_mapped = ntrig_input_mapped,
+	.input_configured = ntrig_input_configured,
 	.usage_table = ntrig_grabbed_usages,
 	.event = ntrig_event,
 };
+module_hid_driver(ntrig_driver);
 
-static int __init ntrig_init(void)
-{
-	return hid_register_driver(&ntrig_driver);
-}
-
-static void __exit ntrig_exit(void)
-{
-	hid_unregister_driver(&ntrig_driver);
-}
-
-module_init(ntrig_init);
-module_exit(ntrig_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-ortek.c b/drivers/hid/hid-ortek.c
index 0ffa1d2d64f0..6620f15fec22 100644
--- a/drivers/hid/hid-ortek.c
+++ b/drivers/hid/hid-ortek.c
@@ -50,17 +50,6 @@ static struct hid_driver ortek_driver = {
 	.id_table = ortek_devices,
 	.report_fixup = ortek_report_fixup
 };
+module_hid_driver(ortek_driver);
 
-static int __init ortek_init(void)
-{
-	return hid_register_driver(&ortek_driver);
-}
-
-static void __exit ortek_exit(void)
-{
-	hid_unregister_driver(&ortek_driver);
-}
-
-module_init(ortek_init);
-module_exit(ortek_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-petalynx.c b/drivers/hid/hid-petalynx.c
index 4c521de4e7e6..736b2502df4f 100644
--- a/drivers/hid/hid-petalynx.c
+++ b/drivers/hid/hid-petalynx.c
@@ -103,17 +103,6 @@ static struct hid_driver pl_driver = {
 	.input_mapping = pl_input_mapping,
 	.probe = pl_probe,
 };
+module_hid_driver(pl_driver);
 
-static int __init pl_init(void)
-{
-	return hid_register_driver(&pl_driver);
-}
-
-static void __exit pl_exit(void)
-{
-	hid_unregister_driver(&pl_driver);
-}
-
-module_init(pl_init);
-module_exit(pl_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-picolcd_cir.c b/drivers/hid/hid-picolcd_cir.c
index 13ca9191b630..a79e95bb9fb6 100644
--- a/drivers/hid/hid-picolcd_cir.c
+++ b/drivers/hid/hid-picolcd_cir.c
@@ -116,7 +116,7 @@ int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report)
 
 	rdev->priv             = data;
 	rdev->driver_type      = RC_DRIVER_IR_RAW;
-	rdev->allowed_protos   = RC_TYPE_ALL;
+	rdev->allowed_protos   = RC_BIT_ALL;
 	rdev->open             = picolcd_cir_open;
 	rdev->close            = picolcd_cir_close;
 	rdev->input_name       = data->hdev->name;
diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c
index 86df26e58aba..31cd93fc3d4b 100644
--- a/drivers/hid/hid-picolcd_core.c
+++ b/drivers/hid/hid-picolcd_core.c
@@ -672,18 +672,7 @@ static struct hid_driver picolcd_driver = {
 	.reset_resume =  picolcd_reset_resume,
 #endif
 };
+module_hid_driver(picolcd_driver);
 
-static int __init picolcd_init(void)
-{
-	return hid_register_driver(&picolcd_driver);
-}
-
-static void __exit picolcd_exit(void)
-{
-	hid_unregister_driver(&picolcd_driver);
-}
-
-module_init(picolcd_init);
-module_exit(picolcd_exit);
 MODULE_DESCRIPTION("Minibox graphics PicoLCD Driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/hid/hid-pl.c b/drivers/hid/hid-pl.c
index 47ed74c46b6b..b0199d27787b 100644
--- a/drivers/hid/hid-pl.c
+++ b/drivers/hid/hid-pl.c
@@ -14,6 +14,8 @@
  *  0e8f:0003 "GASIA USB Gamepad"
  *   - another version of the König gamepad
  *
+ *  0f30:0111 "Saitek Color Rumble Pad"
+ *
  *  Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com>
  */
 
@@ -51,6 +53,7 @@
 
 struct plff_device {
 	struct hid_report *report;
+	s32 maxval;
 	s32 *strong;
 	s32 *weak;
 };
@@ -66,8 +69,8 @@ static int hid_plff_play(struct input_dev *dev, void *data,
 	right = effect->u.rumble.weak_magnitude;
 	debug("called with 0x%04x 0x%04x", left, right);
 
-	left = left * 0x7f / 0xffff;
-	right = right * 0x7f / 0xffff;
+	left = left * plff->maxval / 0xffff;
+	right = right * plff->maxval / 0xffff;
 
 	*plff->strong = left;
 	*plff->weak = right;
@@ -87,6 +90,7 @@ static int plff_init(struct hid_device *hid)
 	struct list_head *report_ptr = report_list;
 	struct input_dev *dev;
 	int error;
+	s32 maxval;
 	s32 *strong;
 	s32 *weak;
 
@@ -123,6 +127,7 @@ static int plff_init(struct hid_device *hid)
 			return -ENODEV;
 		}
 
+		maxval = 0x7f;
 		if (report->field[0]->report_count >= 4) {
 			report->field[0]->value[0] = 0x00;
 			report->field[0]->value[1] = 0x00;
@@ -135,6 +140,8 @@ static int plff_init(struct hid_device *hid)
 			report->field[1]->value[0] = 0x00;
 			strong = &report->field[2]->value[0];
 			weak = &report->field[3]->value[0];
+			if (hid->vendor == USB_VENDOR_ID_JESS2)
+				maxval = 0xff;
 			debug("detected 4-field device");
 		} else {
 			hid_err(hid, "not enough fields or values\n");
@@ -158,6 +165,7 @@ static int plff_init(struct hid_device *hid)
 		plff->report = report;
 		plff->strong = strong;
 		plff->weak = weak;
+		plff->maxval = maxval;
 
 		*strong = 0x00;
 		*weak = 0x00;
@@ -207,6 +215,7 @@ static const struct hid_device_id pl_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR),
 		.driver_data = 1 }, /* Twin USB Joystick */
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD), },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, pl_devices);
@@ -216,17 +225,6 @@ static struct hid_driver pl_driver = {
 	.id_table = pl_devices,
 	.probe = pl_probe,
 };
+module_hid_driver(pl_driver);
 
-static int __init pl_init(void)
-{
-	return hid_register_driver(&pl_driver);
-}
-
-static void __exit pl_exit(void)
-{
-	hid_unregister_driver(&pl_driver);
-}
-
-module_init(pl_init);
-module_exit(pl_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-primax.c b/drivers/hid/hid-primax.c
index c15adb0c98a1..3a1c3c4c50dc 100644
--- a/drivers/hid/hid-primax.c
+++ b/drivers/hid/hid-primax.c
@@ -75,18 +75,7 @@ static struct hid_driver px_driver = {
 	.id_table = px_devices,
 	.raw_event = px_raw_event,
 };
+module_hid_driver(px_driver);
 
-static int __init px_init(void)
-{
-	return hid_register_driver(&px_driver);
-}
-
-static void __exit px_exit(void)
-{
-	hid_unregister_driver(&px_driver);
-}
-
-module_init(px_init);
-module_exit(px_exit);
 MODULE_AUTHOR("Terry Lambert <tlambert@google.com>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c
index ec8ca3336315..4e1c4bcbdc03 100644
--- a/drivers/hid/hid-prodikeys.c
+++ b/drivers/hid/hid-prodikeys.c
@@ -889,23 +889,6 @@ static struct hid_driver pk_driver = {
 	.probe = pk_probe,
 	.remove = pk_remove,
 };
+module_hid_driver(pk_driver);
 
-static int pk_init(void)
-{
-	int ret;
-
-	ret = hid_register_driver(&pk_driver);
-	if (ret)
-		pr_err("can't register prodikeys driver\n");
-
-	return ret;
-}
-
-static void pk_exit(void)
-{
-	hid_unregister_driver(&pk_driver);
-}
-
-module_init(pk_init);
-module_exit(pk_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-ps3remote.c b/drivers/hid/hid-ps3remote.c
index 03811e539d71..f1239d3c5b14 100644
--- a/drivers/hid/hid-ps3remote.c
+++ b/drivers/hid/hid-ps3remote.c
@@ -198,18 +198,7 @@ static struct hid_driver ps3remote_driver = {
 	.report_fixup  = ps3remote_fixup,
 	.input_mapping = ps3remote_mapping,
 };
+module_hid_driver(ps3remote_driver);
 
-static int __init ps3remote_init(void)
-{
-	return hid_register_driver(&ps3remote_driver);
-}
-
-static void __exit ps3remote_exit(void)
-{
-	hid_unregister_driver(&ps3remote_driver);
-}
-
-module_init(ps3remote_init);
-module_exit(ps3remote_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Dillow <dave@thedillows.org>, Antonio Ospite <ospite@studenti.unina.it>");
diff --git a/drivers/hid/hid-roccat-isku.c b/drivers/hid/hid-roccat-isku.c
index 5669916c2943..1219998a02d6 100644
--- a/drivers/hid/hid-roccat-isku.c
+++ b/drivers/hid/hid-roccat-isku.c
@@ -167,7 +167,7 @@ static ssize_t isku_sysfs_write_ ## thingy(struct file *fp, struct kobject *kobj
 		loff_t off, size_t count) \
 { \
 	return isku_sysfs_write(fp, kobj, buf, off, count, \
-			sizeof(struct isku_ ## thingy), ISKU_COMMAND_ ## THINGY); \
+			ISKU_SIZE_ ## THINGY, ISKU_COMMAND_ ## THINGY); \
 }
 
 #define ISKU_SYSFS_R(thingy, THINGY) \
@@ -176,32 +176,32 @@ static ssize_t isku_sysfs_read_ ## thingy(struct file *fp, struct kobject *kobj,
 		loff_t off, size_t count) \
 { \
 	return isku_sysfs_read(fp, kobj, buf, off, count, \
-			sizeof(struct isku_ ## thingy), ISKU_COMMAND_ ## THINGY); \
+			ISKU_SIZE_ ## THINGY, ISKU_COMMAND_ ## THINGY); \
 }
 
 #define ISKU_SYSFS_RW(thingy, THINGY) \
 ISKU_SYSFS_R(thingy, THINGY) \
 ISKU_SYSFS_W(thingy, THINGY)
 
-#define ISKU_BIN_ATTR_RW(thingy) \
+#define ISKU_BIN_ATTR_RW(thingy, THINGY) \
 { \
 	.attr = { .name = #thingy, .mode = 0660 }, \
-	.size = sizeof(struct isku_ ## thingy), \
+	.size = ISKU_SIZE_ ## THINGY, \
 	.read = isku_sysfs_read_ ## thingy, \
 	.write = isku_sysfs_write_ ## thingy \
 }
 
-#define ISKU_BIN_ATTR_R(thingy) \
+#define ISKU_BIN_ATTR_R(thingy, THINGY) \
 { \
 	.attr = { .name = #thingy, .mode = 0440 }, \
-	.size = sizeof(struct isku_ ## thingy), \
+	.size = ISKU_SIZE_ ## THINGY, \
 	.read = isku_sysfs_read_ ## thingy, \
 }
 
-#define ISKU_BIN_ATTR_W(thingy) \
+#define ISKU_BIN_ATTR_W(thingy, THINGY) \
 { \
 	.attr = { .name = #thingy, .mode = 0220 }, \
-	.size = sizeof(struct isku_ ## thingy), \
+	.size = ISKU_SIZE_ ## THINGY, \
 	.write = isku_sysfs_write_ ## thingy \
 }
 
@@ -218,21 +218,23 @@ ISKU_SYSFS_RW(last_set, LAST_SET)
 ISKU_SYSFS_W(talk, TALK)
 ISKU_SYSFS_R(info, INFO)
 ISKU_SYSFS_W(control, CONTROL)
+ISKU_SYSFS_W(reset, RESET)
 
 static struct bin_attribute isku_bin_attributes[] = {
-	ISKU_BIN_ATTR_RW(macro),
-	ISKU_BIN_ATTR_RW(keys_function),
-	ISKU_BIN_ATTR_RW(keys_easyzone),
-	ISKU_BIN_ATTR_RW(keys_media),
-	ISKU_BIN_ATTR_RW(keys_thumbster),
-	ISKU_BIN_ATTR_RW(keys_macro),
-	ISKU_BIN_ATTR_RW(keys_capslock),
-	ISKU_BIN_ATTR_RW(light),
-	ISKU_BIN_ATTR_RW(key_mask),
-	ISKU_BIN_ATTR_RW(last_set),
-	ISKU_BIN_ATTR_W(talk),
-	ISKU_BIN_ATTR_R(info),
-	ISKU_BIN_ATTR_W(control),
+	ISKU_BIN_ATTR_RW(macro, MACRO),
+	ISKU_BIN_ATTR_RW(keys_function, KEYS_FUNCTION),
+	ISKU_BIN_ATTR_RW(keys_easyzone, KEYS_EASYZONE),
+	ISKU_BIN_ATTR_RW(keys_media, KEYS_MEDIA),
+	ISKU_BIN_ATTR_RW(keys_thumbster, KEYS_THUMBSTER),
+	ISKU_BIN_ATTR_RW(keys_macro, KEYS_MACRO),
+	ISKU_BIN_ATTR_RW(keys_capslock, KEYS_CAPSLOCK),
+	ISKU_BIN_ATTR_RW(light, LIGHT),
+	ISKU_BIN_ATTR_RW(key_mask, KEY_MASK),
+	ISKU_BIN_ATTR_RW(last_set, LAST_SET),
+	ISKU_BIN_ATTR_W(talk, TALK),
+	ISKU_BIN_ATTR_R(info, INFO),
+	ISKU_BIN_ATTR_W(control, CONTROL),
+	ISKU_BIN_ATTR_W(reset, RESET),
 	__ATTR_NULL
 };
 
diff --git a/drivers/hid/hid-roccat-isku.h b/drivers/hid/hid-roccat-isku.h
index 605b3ce21638..cf6896c83867 100644
--- a/drivers/hid/hid-roccat-isku.h
+++ b/drivers/hid/hid-roccat-isku.h
@@ -15,76 +15,33 @@
 #include <linux/types.h>
 
 enum {
+	ISKU_SIZE_CONTROL = 0x03,
+	ISKU_SIZE_INFO = 0x06,
+	ISKU_SIZE_KEY_MASK = 0x06,
+	ISKU_SIZE_KEYS_FUNCTION = 0x29,
+	ISKU_SIZE_KEYS_EASYZONE = 0x41,
+	ISKU_SIZE_KEYS_MEDIA = 0x1d,
+	ISKU_SIZE_KEYS_THUMBSTER = 0x17,
+	ISKU_SIZE_KEYS_MACRO = 0x23,
+	ISKU_SIZE_KEYS_CAPSLOCK = 0x06,
+	ISKU_SIZE_LAST_SET = 0x14,
+	ISKU_SIZE_LIGHT = 0x0a,
+	ISKU_SIZE_MACRO = 0x823,
+	ISKU_SIZE_RESET = 0x03,
+	ISKU_SIZE_TALK = 0x10,
+};
+
+enum {
 	ISKU_PROFILE_NUM = 5,
 	ISKU_USB_INTERFACE_PROTOCOL = 0,
 };
 
-struct isku_control {
-	uint8_t command; /* ISKU_COMMAND_CONTROL */
-	uint8_t value;
-	uint8_t request;
-} __packed;
-
 struct isku_actual_profile {
 	uint8_t command; /* ISKU_COMMAND_ACTUAL_PROFILE */
 	uint8_t size; /* always 3 */
 	uint8_t actual_profile;
 } __packed;
 
-struct isku_key_mask {
-	uint8_t command; /* ISKU_COMMAND_KEY_MASK */
-	uint8_t size; /* 6 */
-	uint8_t profile_number; /* 0-4 */
-	uint8_t mask;
-	uint16_t checksum;
-} __packed;
-
-struct isku_keys_function {
-	uint8_t data[0x29];
-} __packed;
-
-struct isku_keys_easyzone {
-	uint8_t data[0x41];
-} __packed;
-
-struct isku_keys_media {
-	uint8_t data[0x1d];
-} __packed;
-
-struct isku_keys_thumbster {
-	uint8_t data[0x17];
-} __packed;
-
-struct isku_keys_macro {
-	uint8_t data[0x23];
-} __packed;
-
-struct isku_keys_capslock {
-	uint8_t data[0x6];
-} __packed;
-
-struct isku_macro {
-	uint8_t data[0x823];
-} __packed;
-
-struct isku_light {
-	uint8_t data[0xa];
-} __packed;
-
-struct isku_info {
-	uint8_t data[2];
-	uint8_t firmware_version;
-	uint8_t unknown[3];
-} __packed;
-
-struct isku_talk {
-	uint8_t data[0x10];
-} __packed;
-
-struct isku_last_set {
-	uint8_t data[0x14];
-} __packed;
-
 enum isku_commands {
 	ISKU_COMMAND_CONTROL = 0x4,
 	ISKU_COMMAND_ACTUAL_PROFILE = 0x5,
@@ -97,6 +54,7 @@ enum isku_commands {
 	ISKU_COMMAND_MACRO = 0xe,
 	ISKU_COMMAND_INFO = 0xf,
 	ISKU_COMMAND_LIGHT = 0x10,
+	ISKU_COMMAND_RESET = 0x11,
 	ISKU_COMMAND_KEYS_CAPSLOCK = 0x13,
 	ISKU_COMMAND_LAST_SET = 0x14,
 	ISKU_COMMAND_15 = 0x15,
diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c
index f5602fec4865..6a48fa3c7da9 100644
--- a/drivers/hid/hid-roccat-koneplus.c
+++ b/drivers/hid/hid-roccat-koneplus.c
@@ -14,6 +14,7 @@
 /*
  * Roccat Kone[+] is an updated/improved version of the Kone with more memory
  * and functionality and without the non-standard behaviours the Kone had.
+ * KoneXTD has same capabilities but updated sensor.
  */
 
 #include <linux/device.h>
@@ -55,56 +56,6 @@ static int koneplus_send_control(struct usb_device *usb_dev, uint value,
 			&control, sizeof(struct roccat_common2_control));
 }
 
-static int koneplus_get_info(struct usb_device *usb_dev,
-		struct koneplus_info *buf)
-{
-	return roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_INFO,
-			buf, sizeof(struct koneplus_info));
-}
-
-static int koneplus_get_profile_settings(struct usb_device *usb_dev,
-		struct koneplus_profile_settings *buf, uint number)
-{
-	int retval;
-
-	retval = koneplus_send_control(usb_dev, number,
-			KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
-	if (retval)
-		return retval;
-
-	return roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_PROFILE_SETTINGS,
-			buf, sizeof(struct koneplus_profile_settings));
-}
-
-static int koneplus_set_profile_settings(struct usb_device *usb_dev,
-		struct koneplus_profile_settings const *settings)
-{
-	return roccat_common2_send_with_status(usb_dev,
-			KONEPLUS_COMMAND_PROFILE_SETTINGS,
-			settings, sizeof(struct koneplus_profile_settings));
-}
-
-static int koneplus_get_profile_buttons(struct usb_device *usb_dev,
-		struct koneplus_profile_buttons *buf, int number)
-{
-	int retval;
-
-	retval = koneplus_send_control(usb_dev, number,
-			KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
-	if (retval)
-		return retval;
-
-	return roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_PROFILE_BUTTONS,
-			buf, sizeof(struct koneplus_profile_buttons));
-}
-
-static int koneplus_set_profile_buttons(struct usb_device *usb_dev,
-		struct koneplus_profile_buttons const *buttons)
-{
-	return roccat_common2_send_with_status(usb_dev,
-			KONEPLUS_COMMAND_PROFILE_BUTTONS,
-			buttons, sizeof(struct koneplus_profile_buttons));
-}
 
 /* retval is 0-4 on success, < 0 on error */
 static int koneplus_get_actual_profile(struct usb_device *usb_dev)
@@ -113,7 +64,7 @@ static int koneplus_get_actual_profile(struct usb_device *usb_dev)
 	int retval;
 
 	retval = roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_ACTUAL_PROFILE,
-			&buf, sizeof(struct koneplus_actual_profile));
+			&buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
 
 	return retval ? retval : buf.actual_profile;
 }
@@ -124,12 +75,12 @@ static int koneplus_set_actual_profile(struct usb_device *usb_dev,
 	struct koneplus_actual_profile buf;
 
 	buf.command = KONEPLUS_COMMAND_ACTUAL_PROFILE;
-	buf.size = sizeof(struct koneplus_actual_profile);
+	buf.size = KONEPLUS_SIZE_ACTUAL_PROFILE;
 	buf.actual_profile = new_profile;
 
 	return roccat_common2_send_with_status(usb_dev,
 			KONEPLUS_COMMAND_ACTUAL_PROFILE,
-			&buf, sizeof(struct koneplus_actual_profile));
+			&buf, KONEPLUS_SIZE_ACTUAL_PROFILE);
 }
 
 static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj,
@@ -182,111 +133,77 @@ static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj,
 	return real_size;
 }
 
-static ssize_t koneplus_sysfs_write_talk(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	return koneplus_sysfs_write(fp, kobj, buf, off, count,
-			sizeof(struct koneplus_talk), KONEPLUS_COMMAND_TALK);
+#define KONEPLUS_SYSFS_W(thingy, THINGY) \
+static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \
+		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+		loff_t off, size_t count) \
+{ \
+	return koneplus_sysfs_write(fp, kobj, buf, off, count, \
+			KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
 }
 
-static ssize_t koneplus_sysfs_write_macro(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	return koneplus_sysfs_write(fp, kobj, buf, off, count,
-			sizeof(struct koneplus_macro), KONEPLUS_COMMAND_MACRO);
+#define KONEPLUS_SYSFS_R(thingy, THINGY) \
+static ssize_t koneplus_sysfs_read_ ## thingy(struct file *fp, \
+		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+		loff_t off, size_t count) \
+{ \
+	return koneplus_sysfs_read(fp, kobj, buf, off, count, \
+			KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
 }
 
-static ssize_t koneplus_sysfs_read_sensor(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	return koneplus_sysfs_read(fp, kobj, buf, off, count,
-			sizeof(struct koneplus_sensor), KONEPLUS_COMMAND_SENSOR);
-}
+#define KONEPLUS_SYSFS_RW(thingy, THINGY) \
+KONEPLUS_SYSFS_W(thingy, THINGY) \
+KONEPLUS_SYSFS_R(thingy, THINGY)
 
-static ssize_t koneplus_sysfs_write_sensor(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	return koneplus_sysfs_write(fp, kobj, buf, off, count,
-			sizeof(struct koneplus_sensor), KONEPLUS_COMMAND_SENSOR);
+#define KONEPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
+{ \
+	.attr = { .name = #thingy, .mode = 0660 }, \
+	.size = KONEPLUS_SIZE_ ## THINGY, \
+	.read = koneplus_sysfs_read_ ## thingy, \
+	.write = koneplus_sysfs_write_ ## thingy \
 }
 
-static ssize_t koneplus_sysfs_write_tcu(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	return koneplus_sysfs_write(fp, kobj, buf, off, count,
-			sizeof(struct koneplus_tcu), KONEPLUS_COMMAND_TCU);
+#define KONEPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \
+{ \
+	.attr = { .name = #thingy, .mode = 0440 }, \
+	.size = KONEPLUS_SIZE_ ## THINGY, \
+	.read = koneplus_sysfs_read_ ## thingy, \
 }
 
-static ssize_t koneplus_sysfs_read_tcu_image(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	return koneplus_sysfs_read(fp, kobj, buf, off, count,
-			sizeof(struct koneplus_tcu_image), KONEPLUS_COMMAND_TCU);
+#define KONEPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
+{ \
+	.attr = { .name = #thingy, .mode = 0220 }, \
+	.size = KONEPLUS_SIZE_ ## THINGY, \
+	.write = koneplus_sysfs_write_ ## thingy \
 }
 
-static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	struct device *dev =
-			container_of(kobj, struct device, kobj)->parent->parent;
-	struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
-
-	if (off >= sizeof(struct koneplus_profile_settings))
-		return 0;
+KONEPLUS_SYSFS_W(control, CONTROL)
+KONEPLUS_SYSFS_RW(info, INFO)
+KONEPLUS_SYSFS_W(talk, TALK)
+KONEPLUS_SYSFS_W(macro, MACRO)
+KONEPLUS_SYSFS_RW(sensor, SENSOR)
+KONEPLUS_SYSFS_RW(tcu, TCU)
+KONEPLUS_SYSFS_R(tcu_image, TCU_IMAGE)
+KONEPLUS_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
+KONEPLUS_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
 
-	if (off + count > sizeof(struct koneplus_profile_settings))
-		count = sizeof(struct koneplus_profile_settings) - off;
-
-	mutex_lock(&koneplus->koneplus_lock);
-	memcpy(buf, ((char const *)&koneplus->profile_settings[*(uint *)(attr->private)]) + off,
-			count);
-	mutex_unlock(&koneplus->koneplus_lock);
-
-	return count;
-}
-
-static ssize_t koneplus_sysfs_write_profile_settings(struct file *fp,
+static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
 		struct kobject *kobj, struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count)
 {
 	struct device *dev =
 			container_of(kobj, struct device, kobj)->parent->parent;
-	struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
-	int retval = 0;
-	int difference;
-	int profile_number;
-	struct koneplus_profile_settings *profile_settings;
-
-	if (off != 0 || count != sizeof(struct koneplus_profile_settings))
-		return -EINVAL;
-
-	profile_number = ((struct koneplus_profile_settings const *)buf)->number;
-	profile_settings = &koneplus->profile_settings[profile_number];
-
-	mutex_lock(&koneplus->koneplus_lock);
-	difference = memcmp(buf, profile_settings,
-			sizeof(struct koneplus_profile_settings));
-	if (difference) {
-		retval = koneplus_set_profile_settings(usb_dev,
-				(struct koneplus_profile_settings const *)buf);
-		if (!retval)
-			memcpy(profile_settings, buf,
-					sizeof(struct koneplus_profile_settings));
-	}
-	mutex_unlock(&koneplus->koneplus_lock);
+	ssize_t retval;
 
+	retval = koneplus_send_control(usb_dev, *(uint *)(attr->private),
+			KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
 	if (retval)
 		return retval;
 
-	return sizeof(struct koneplus_profile_settings);
+	return koneplus_sysfs_read(fp, kobj, buf, off, count,
+			KONEPLUS_SIZE_PROFILE_SETTINGS,
+			KONEPLUS_COMMAND_PROFILE_SETTINGS);
 }
 
 static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
@@ -295,57 +212,17 @@ static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
 {
 	struct device *dev =
 			container_of(kobj, struct device, kobj)->parent->parent;
-	struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
-
-	if (off >= sizeof(struct koneplus_profile_buttons))
-		return 0;
-
-	if (off + count > sizeof(struct koneplus_profile_buttons))
-		count = sizeof(struct koneplus_profile_buttons) - off;
-
-	mutex_lock(&koneplus->koneplus_lock);
-	memcpy(buf, ((char const *)&koneplus->profile_buttons[*(uint *)(attr->private)]) + off,
-			count);
-	mutex_unlock(&koneplus->koneplus_lock);
-
-	return count;
-}
-
-static ssize_t koneplus_sysfs_write_profile_buttons(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	struct device *dev =
-			container_of(kobj, struct device, kobj)->parent->parent;
-	struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev));
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
-	int retval = 0;
-	int difference;
-	uint profile_number;
-	struct koneplus_profile_buttons *profile_buttons;
-
-	if (off != 0 || count != sizeof(struct koneplus_profile_buttons))
-		return -EINVAL;
-
-	profile_number = ((struct koneplus_profile_buttons const *)buf)->number;
-	profile_buttons = &koneplus->profile_buttons[profile_number];
-
-	mutex_lock(&koneplus->koneplus_lock);
-	difference = memcmp(buf, profile_buttons,
-			sizeof(struct koneplus_profile_buttons));
-	if (difference) {
-		retval = koneplus_set_profile_buttons(usb_dev,
-				(struct koneplus_profile_buttons const *)buf);
-		if (!retval)
-			memcpy(profile_buttons, buf,
-					sizeof(struct koneplus_profile_buttons));
-	}
-	mutex_unlock(&koneplus->koneplus_lock);
+	ssize_t retval;
 
+	retval = koneplus_send_control(usb_dev, *(uint *)(attr->private),
+			KONEPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
 	if (retval)
 		return retval;
 
-	return sizeof(struct koneplus_profile_buttons);
+	return koneplus_sysfs_read(fp, kobj, buf, off, count,
+			KONEPLUS_SIZE_PROFILE_BUTTONS,
+			KONEPLUS_COMMAND_PROFILE_BUTTONS);
 }
 
 static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev,
@@ -401,9 +278,20 @@ static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev,
 static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct koneplus_device *koneplus =
-			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->info.firmware_version);
+	struct koneplus_device *koneplus;
+	struct usb_device *usb_dev;
+	struct koneplus_info info;
+
+	dev = dev->parent->parent;
+	koneplus = hid_get_drvdata(dev_get_drvdata(dev));
+	usb_dev = interface_to_usbdev(to_usb_interface(dev));
+
+	mutex_lock(&koneplus->koneplus_lock);
+	roccat_common2_receive(usb_dev, KONEPLUS_COMMAND_INFO,
+			&info, KONEPLUS_SIZE_INFO);
+	mutex_unlock(&koneplus->koneplus_lock);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
 }
 
 static struct device_attribute koneplus_attributes[] = {
@@ -419,132 +307,85 @@ static struct device_attribute koneplus_attributes[] = {
 };
 
 static struct bin_attribute koneplus_bin_attributes[] = {
-	{
-		.attr = { .name = "sensor", .mode = 0660 },
-		.size = sizeof(struct koneplus_sensor),
-		.read = koneplus_sysfs_read_sensor,
-		.write = koneplus_sysfs_write_sensor
-	},
-	{
-		.attr = { .name = "tcu", .mode = 0220 },
-		.size = sizeof(struct koneplus_tcu),
-		.write = koneplus_sysfs_write_tcu
-	},
-	{
-		.attr = { .name = "tcu_image", .mode = 0440 },
-		.size = sizeof(struct koneplus_tcu_image),
-		.read = koneplus_sysfs_read_tcu_image
-	},
-	{
-		.attr = { .name = "profile_settings", .mode = 0220 },
-		.size = sizeof(struct koneplus_profile_settings),
-		.write = koneplus_sysfs_write_profile_settings
-	},
+	KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL),
+	KONEPLUS_BIN_ATTRIBUTE_RW(info, INFO),
+	KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK),
+	KONEPLUS_BIN_ATTRIBUTE_W(macro, MACRO),
+	KONEPLUS_BIN_ATTRIBUTE_RW(sensor, SENSOR),
+	KONEPLUS_BIN_ATTRIBUTE_RW(tcu, TCU),
+	KONEPLUS_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE),
+	KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
+	KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
 	{
 		.attr = { .name = "profile1_settings", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_settings),
+		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
 		.read = koneplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[0]
 	},
 	{
 		.attr = { .name = "profile2_settings", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_settings),
+		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
 		.read = koneplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[1]
 	},
 	{
 		.attr = { .name = "profile3_settings", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_settings),
+		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
 		.read = koneplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[2]
 	},
 	{
 		.attr = { .name = "profile4_settings", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_settings),
+		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
 		.read = koneplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[3]
 	},
 	{
 		.attr = { .name = "profile5_settings", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_settings),
+		.size = KONEPLUS_SIZE_PROFILE_SETTINGS,
 		.read = koneplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[4]
 	},
 	{
-		.attr = { .name = "profile_buttons", .mode = 0220 },
-		.size = sizeof(struct koneplus_profile_buttons),
-		.write = koneplus_sysfs_write_profile_buttons
-	},
-	{
 		.attr = { .name = "profile1_buttons", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_buttons),
+		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
 		.read = koneplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[0]
 	},
 	{
 		.attr = { .name = "profile2_buttons", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_buttons),
+		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
 		.read = koneplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[1]
 	},
 	{
 		.attr = { .name = "profile3_buttons", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_buttons),
+		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
 		.read = koneplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[2]
 	},
 	{
 		.attr = { .name = "profile4_buttons", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_buttons),
+		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
 		.read = koneplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[3]
 	},
 	{
 		.attr = { .name = "profile5_buttons", .mode = 0440 },
-		.size = sizeof(struct koneplus_profile_buttons),
+		.size = KONEPLUS_SIZE_PROFILE_BUTTONS,
 		.read = koneplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[4]
 	},
-	{
-		.attr = { .name = "macro", .mode = 0220 },
-		.size = sizeof(struct koneplus_macro),
-		.write = koneplus_sysfs_write_macro
-	},
-	{
-		.attr = { .name = "talk", .mode = 0220 },
-		.size = sizeof(struct koneplus_talk),
-		.write = koneplus_sysfs_write_talk
-	},
 	__ATTR_NULL
 };
 
 static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev,
 		struct koneplus_device *koneplus)
 {
-	int retval, i;
-	static uint wait = 200;
+	int retval;
 
 	mutex_init(&koneplus->koneplus_lock);
 
-	retval = koneplus_get_info(usb_dev, &koneplus->info);
-	if (retval)
-		return retval;
-
-	for (i = 0; i < 5; ++i) {
-		msleep(wait);
-		retval = koneplus_get_profile_settings(usb_dev,
-				&koneplus->profile_settings[i], i);
-		if (retval)
-			return retval;
-
-		msleep(wait);
-		retval = koneplus_get_profile_buttons(usb_dev,
-				&koneplus->profile_buttons[i], i);
-		if (retval)
-			return retval;
-	}
-
-	msleep(wait);
 	retval = koneplus_get_actual_profile(usb_dev);
 	if (retval < 0)
 		return retval;
@@ -709,6 +550,7 @@ static int koneplus_raw_event(struct hid_device *hdev,
 
 static const struct hid_device_id koneplus_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
 	{ }
 };
 
@@ -749,5 +591,5 @@ module_init(koneplus_init);
 module_exit(koneplus_exit);
 
 MODULE_AUTHOR("Stefan Achatz");
-MODULE_DESCRIPTION("USB Roccat Kone[+] driver");
+MODULE_DESCRIPTION("USB Roccat Kone[+]/XTD driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/hid/hid-roccat-koneplus.h b/drivers/hid/hid-roccat-koneplus.h
index 7074b2a4b94b..af7f57e8cf3b 100644
--- a/drivers/hid/hid-roccat-koneplus.h
+++ b/drivers/hid/hid-roccat-koneplus.h
@@ -14,11 +14,19 @@
 
 #include <linux/types.h>
 
-struct koneplus_talk {
-	uint8_t command; /* KONEPLUS_COMMAND_TALK */
-	uint8_t size; /* always 0x10 */
-	uint8_t data[14];
-} __packed;
+enum {
+	KONEPLUS_SIZE_ACTUAL_PROFILE = 0x03,
+	KONEPLUS_SIZE_CONTROL = 0x03,
+	KONEPLUS_SIZE_FIRMWARE_WRITE = 0x0402,
+	KONEPLUS_SIZE_INFO = 0x06,
+	KONEPLUS_SIZE_MACRO = 0x0822,
+	KONEPLUS_SIZE_PROFILE_SETTINGS = 0x2b,
+	KONEPLUS_SIZE_PROFILE_BUTTONS = 0x4d,
+	KONEPLUS_SIZE_SENSOR = 0x06,
+	KONEPLUS_SIZE_TALK = 0x10,
+	KONEPLUS_SIZE_TCU = 0x04,
+	KONEPLUS_SIZE_TCU_IMAGE = 0x0404,
+};
 
 enum koneplus_control_requests {
 	KONEPLUS_CONTROL_REQUEST_PROFILE_SETTINGS = 0x80,
@@ -31,45 +39,6 @@ struct koneplus_actual_profile {
 	uint8_t actual_profile; /* Range 0-4! */
 } __attribute__ ((__packed__));
 
-struct koneplus_profile_settings {
-	uint8_t command; /* KONEPLUS_COMMAND_PROFILE_SETTINGS */
-	uint8_t size; /* always 43 */
-	uint8_t number; /* range 0-4 */
-	uint8_t advanced_sensitivity;
-	uint8_t sensitivity_x;
-	uint8_t sensitivity_y;
-	uint8_t cpi_levels_enabled;
-	uint8_t cpi_levels_x[5];
-	uint8_t cpi_startup_level; /* range 0-4 */
-	uint8_t cpi_levels_y[5]; /* range 1-60 means 100-6000 cpi */
-	uint8_t unknown1;
-	uint8_t polling_rate;
-	uint8_t lights_enabled;
-	uint8_t light_effect_mode;
-	uint8_t color_flow_effect;
-	uint8_t light_effect_type;
-	uint8_t light_effect_speed;
-	uint8_t lights[16];
-	uint16_t checksum;
-} __attribute__ ((__packed__));
-
-struct koneplus_profile_buttons {
-	uint8_t command; /* KONEPLUS_COMMAND_PROFILE_BUTTONS */
-	uint8_t size; /* always 77 */
-	uint8_t number; /* range 0-4 */
-	uint8_t data[72];
-	uint16_t checksum;
-} __attribute__ ((__packed__));
-
-struct koneplus_macro {
-	uint8_t command; /* KONEPLUS_COMMAND_MACRO */
-	uint16_t size; /* always 0x822 little endian */
-	uint8_t profile; /* range 0-4 */
-	uint8_t button; /* range 0-23 */
-	uint8_t data[2075];
-	uint16_t checksum;
-} __attribute__ ((__packed__));
-
 struct koneplus_info {
 	uint8_t command; /* KONEPLUS_COMMAND_INFO */
 	uint8_t size; /* always 6 */
@@ -77,51 +46,15 @@ struct koneplus_info {
 	uint8_t unknown[3];
 } __attribute__ ((__packed__));
 
-struct koneplus_e {
-	uint8_t command; /* KONEPLUS_COMMAND_E */
-	uint8_t size; /* always 3 */
-	uint8_t unknown; /* TODO 1; 0 before firmware update */
-} __attribute__ ((__packed__));
-
-struct koneplus_sensor {
-	uint8_t command;  /* KONEPLUS_COMMAND_SENSOR */
-	uint8_t size; /* always 6 */
-	uint8_t data[4];
-} __attribute__ ((__packed__));
-
-struct koneplus_firmware_write {
-	uint8_t command; /* KONEPLUS_COMMAND_FIRMWARE_WRITE */
-	uint8_t unknown[1025];
-} __attribute__ ((__packed__));
-
-struct koneplus_firmware_write_control {
-	uint8_t command; /* KONEPLUS_COMMAND_FIRMWARE_WRITE_CONTROL */
-	/*
-	 * value is 1 on success
-	 * 3 means "not finished yet"
-	 */
-	uint8_t value;
-	uint8_t unknown; /* always 0x75 */
-} __attribute__ ((__packed__));
-
-struct koneplus_tcu {
-	uint16_t usb_command; /* KONEPLUS_USB_COMMAND_TCU */
-	uint8_t data[2];
-} __attribute__ ((__packed__));
-
-struct koneplus_tcu_image {
-	uint16_t usb_command; /* KONEPLUS_USB_COMMAND_TCU */
-	uint8_t data[1024];
-	uint16_t checksum;
-} __attribute__ ((__packed__));
-
 enum koneplus_commands {
 	KONEPLUS_COMMAND_ACTUAL_PROFILE = 0x5,
+	KONEPLUS_COMMAND_CONTROL = 0x4,
 	KONEPLUS_COMMAND_PROFILE_SETTINGS = 0x6,
 	KONEPLUS_COMMAND_PROFILE_BUTTONS = 0x7,
 	KONEPLUS_COMMAND_MACRO = 0x8,
 	KONEPLUS_COMMAND_INFO = 0x9,
 	KONEPLUS_COMMAND_TCU = 0xc,
+	KONEPLUS_COMMAND_TCU_IMAGE = 0xc,
 	KONEPLUS_COMMAND_E = 0xe,
 	KONEPLUS_COMMAND_SENSOR = 0xf,
 	KONEPLUS_COMMAND_TALK = 0x10,
@@ -187,10 +120,6 @@ struct koneplus_device {
 	int chrdev_minor;
 
 	struct mutex koneplus_lock;
-
-	struct koneplus_info info;
-	struct koneplus_profile_settings profile_settings[5];
-	struct koneplus_profile_buttons profile_buttons[5];
 };
 
 #endif
diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c
index ca6527ac655d..b8b37789b864 100644
--- a/drivers/hid/hid-roccat-kovaplus.c
+++ b/drivers/hid/hid-roccat-kovaplus.c
@@ -70,13 +70,6 @@ static int kovaplus_select_profile(struct usb_device *usb_dev, uint number,
 	return kovaplus_send_control(usb_dev, number, request);
 }
 
-static int kovaplus_get_info(struct usb_device *usb_dev,
-		struct kovaplus_info *buf)
-{
-	return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
-			buf, sizeof(struct kovaplus_info));
-}
-
 static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
 		struct kovaplus_profile_settings *buf, uint number)
 {
@@ -88,15 +81,7 @@ static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
 		return retval;
 
 	return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
-			buf, sizeof(struct kovaplus_profile_settings));
-}
-
-static int kovaplus_set_profile_settings(struct usb_device *usb_dev,
-		struct kovaplus_profile_settings const *settings)
-{
-	return roccat_common2_send_with_status(usb_dev,
-			KOVAPLUS_COMMAND_PROFILE_SETTINGS,
-			settings, sizeof(struct kovaplus_profile_settings));
+			buf, KOVAPLUS_SIZE_PROFILE_SETTINGS);
 }
 
 static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
@@ -110,15 +95,7 @@ static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
 		return retval;
 
 	return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
-			buf, sizeof(struct kovaplus_profile_buttons));
-}
-
-static int kovaplus_set_profile_buttons(struct usb_device *usb_dev,
-		struct kovaplus_profile_buttons const *buttons)
-{
-	return roccat_common2_send_with_status(usb_dev,
-			KOVAPLUS_COMMAND_PROFILE_BUTTONS,
-			buttons, sizeof(struct kovaplus_profile_buttons));
+			buf, KOVAPLUS_SIZE_PROFILE_BUTTONS);
 }
 
 /* retval is 0-4 on success, < 0 on error */
@@ -147,122 +124,141 @@ static int kovaplus_set_actual_profile(struct usb_device *usb_dev,
 			&buf, sizeof(struct kovaplus_actual_profile));
 }
 
-static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj,
+		char *buf, loff_t off, size_t count,
+		size_t real_size, uint command)
 {
 	struct device *dev =
 			container_of(kobj, struct device, kobj)->parent->parent;
 	struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	int retval;
 
-	if (off >= sizeof(struct kovaplus_profile_settings))
+	if (off >= real_size)
 		return 0;
 
-	if (off + count > sizeof(struct kovaplus_profile_settings))
-		count = sizeof(struct kovaplus_profile_settings) - off;
+	if (off != 0 || count != real_size)
+		return -EINVAL;
 
 	mutex_lock(&kovaplus->kovaplus_lock);
-	memcpy(buf, ((char const *)&kovaplus->profile_settings[*(uint *)(attr->private)]) + off,
-			count);
+	retval = roccat_common2_receive(usb_dev, command, buf, real_size);
 	mutex_unlock(&kovaplus->kovaplus_lock);
 
-	return count;
+	if (retval)
+		return retval;
+
+	return real_size;
 }
 
-static ssize_t kovaplus_sysfs_write_profile_settings(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj,
+		void const *buf, loff_t off, size_t count,
+		size_t real_size, uint command)
 {
 	struct device *dev =
 			container_of(kobj, struct device, kobj)->parent->parent;
 	struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
-	int retval = 0;
-	int difference;
-	int profile_index;
-	struct kovaplus_profile_settings *profile_settings;
+	int retval;
 
-	if (off != 0 || count != sizeof(struct kovaplus_profile_settings))
+	if (off != 0 || count != real_size)
 		return -EINVAL;
 
-	profile_index = ((struct kovaplus_profile_settings const *)buf)->profile_index;
-	profile_settings = &kovaplus->profile_settings[profile_index];
-
 	mutex_lock(&kovaplus->kovaplus_lock);
-	difference = memcmp(buf, profile_settings,
-			sizeof(struct kovaplus_profile_settings));
-	if (difference) {
-		retval = kovaplus_set_profile_settings(usb_dev,
-				(struct kovaplus_profile_settings const *)buf);
-		if (!retval)
-			memcpy(profile_settings, buf,
-					sizeof(struct kovaplus_profile_settings));
-	}
+	retval = roccat_common2_send_with_status(usb_dev, command,
+			buf, real_size);
 	mutex_unlock(&kovaplus->kovaplus_lock);
 
 	if (retval)
 		return retval;
 
-	return sizeof(struct kovaplus_profile_settings);
+	return real_size;
 }
 
-static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	struct device *dev =
-			container_of(kobj, struct device, kobj)->parent->parent;
-	struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
+#define KOVAPLUS_SYSFS_W(thingy, THINGY) \
+static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
+		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+		loff_t off, size_t count) \
+{ \
+	return kovaplus_sysfs_write(fp, kobj, buf, off, count, \
+			KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
+}
 
-	if (off >= sizeof(struct kovaplus_profile_buttons))
-		return 0;
+#define KOVAPLUS_SYSFS_R(thingy, THINGY) \
+static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \
+		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+		loff_t off, size_t count) \
+{ \
+	return kovaplus_sysfs_read(fp, kobj, buf, off, count, \
+			KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
+}
 
-	if (off + count > sizeof(struct kovaplus_profile_buttons))
-		count = sizeof(struct kovaplus_profile_buttons) - off;
+#define KOVAPLUS_SYSFS_RW(thingy, THINGY) \
+KOVAPLUS_SYSFS_W(thingy, THINGY) \
+KOVAPLUS_SYSFS_R(thingy, THINGY)
 
-	mutex_lock(&kovaplus->kovaplus_lock);
-	memcpy(buf, ((char const *)&kovaplus->profile_buttons[*(uint *)(attr->private)]) + off,
-			count);
-	mutex_unlock(&kovaplus->kovaplus_lock);
+#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
+{ \
+	.attr = { .name = #thingy, .mode = 0660 }, \
+	.size = KOVAPLUS_SIZE_ ## THINGY, \
+	.read = kovaplus_sysfs_read_ ## thingy, \
+	.write = kovaplus_sysfs_write_ ## thingy \
+}
+
+#define KOVAPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \
+{ \
+	.attr = { .name = #thingy, .mode = 0440 }, \
+	.size = KOVAPLUS_SIZE_ ## THINGY, \
+	.read = kovaplus_sysfs_read_ ## thingy, \
+}
 
-	return count;
+#define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
+{ \
+	.attr = { .name = #thingy, .mode = 0220 }, \
+	.size = KOVAPLUS_SIZE_ ## THINGY, \
+	.write = kovaplus_sysfs_write_ ## thingy \
 }
 
-static ssize_t kovaplus_sysfs_write_profile_buttons(struct file *fp,
+KOVAPLUS_SYSFS_W(control, CONTROL)
+KOVAPLUS_SYSFS_RW(info, INFO)
+KOVAPLUS_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
+KOVAPLUS_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
+
+static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
 		struct kobject *kobj, struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count)
 {
 	struct device *dev =
 			container_of(kobj, struct device, kobj)->parent->parent;
-	struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
-	int retval = 0;
-	int difference;
-	uint profile_index;
-	struct kovaplus_profile_buttons *profile_buttons;
+	ssize_t retval;
 
-	if (off != 0 || count != sizeof(struct kovaplus_profile_buttons))
-		return -EINVAL;
+	retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
+			KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
+	if (retval)
+		return retval;
 
-	profile_index = ((struct kovaplus_profile_buttons const *)buf)->profile_index;
-	profile_buttons = &kovaplus->profile_buttons[profile_index];
+	return kovaplus_sysfs_read(fp, kobj, buf, off, count,
+			KOVAPLUS_SIZE_PROFILE_SETTINGS,
+			KOVAPLUS_COMMAND_PROFILE_SETTINGS);
+}
 
-	mutex_lock(&kovaplus->kovaplus_lock);
-	difference = memcmp(buf, profile_buttons,
-			sizeof(struct kovaplus_profile_buttons));
-	if (difference) {
-		retval = kovaplus_set_profile_buttons(usb_dev,
-				(struct kovaplus_profile_buttons const *)buf);
-		if (!retval)
-			memcpy(profile_buttons, buf,
-					sizeof(struct kovaplus_profile_buttons));
-	}
-	mutex_unlock(&kovaplus->kovaplus_lock);
+static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
+		struct kobject *kobj, struct bin_attribute *attr, char *buf,
+		loff_t off, size_t count)
+{
+	struct device *dev =
+			container_of(kobj, struct device, kobj)->parent->parent;
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	ssize_t retval;
 
+	retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
+			KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
 	if (retval)
 		return retval;
 
-	return sizeof(struct kovaplus_profile_buttons);
+	return kovaplus_sysfs_read(fp, kobj, buf, off, count,
+			KOVAPLUS_SIZE_PROFILE_BUTTONS,
+			KOVAPLUS_COMMAND_PROFILE_BUTTONS);
 }
 
 static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
@@ -342,9 +338,20 @@ static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
 static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct kovaplus_device *kovaplus =
-			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->info.firmware_version);
+	struct kovaplus_device *kovaplus;
+	struct usb_device *usb_dev;
+	struct kovaplus_info info;
+
+	dev = dev->parent->parent;
+	kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
+	usb_dev = interface_to_usbdev(to_usb_interface(dev));
+
+	mutex_lock(&kovaplus->kovaplus_lock);
+	roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
+			&info, KOVAPLUS_SIZE_INFO);
+	mutex_unlock(&kovaplus->kovaplus_lock);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
 }
 
 static struct device_attribute kovaplus_attributes[] = {
@@ -363,73 +370,67 @@ static struct device_attribute kovaplus_attributes[] = {
 };
 
 static struct bin_attribute kovaplus_bin_attributes[] = {
-	{
-		.attr = { .name = "profile_settings", .mode = 0220 },
-		.size = sizeof(struct kovaplus_profile_settings),
-		.write = kovaplus_sysfs_write_profile_settings
-	},
+	KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL),
+	KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO),
+	KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
+	KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
 	{
 		.attr = { .name = "profile1_settings", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_settings),
+		.size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 		.read = kovaplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[0]
 	},
 	{
 		.attr = { .name = "profile2_settings", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_settings),
+		.size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 		.read = kovaplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[1]
 	},
 	{
 		.attr = { .name = "profile3_settings", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_settings),
+		.size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 		.read = kovaplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[2]
 	},
 	{
 		.attr = { .name = "profile4_settings", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_settings),
+		.size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 		.read = kovaplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[3]
 	},
 	{
 		.attr = { .name = "profile5_settings", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_settings),
+		.size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
 		.read = kovaplus_sysfs_read_profilex_settings,
 		.private = &profile_numbers[4]
 	},
 	{
-		.attr = { .name = "profile_buttons", .mode = 0220 },
-		.size = sizeof(struct kovaplus_profile_buttons),
-		.write = kovaplus_sysfs_write_profile_buttons
-	},
-	{
 		.attr = { .name = "profile1_buttons", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_buttons),
+		.size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 		.read = kovaplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[0]
 	},
 	{
 		.attr = { .name = "profile2_buttons", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_buttons),
+		.size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 		.read = kovaplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[1]
 	},
 	{
 		.attr = { .name = "profile3_buttons", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_buttons),
+		.size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 		.read = kovaplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[2]
 	},
 	{
 		.attr = { .name = "profile4_buttons", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_buttons),
+		.size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 		.read = kovaplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[3]
 	},
 	{
 		.attr = { .name = "profile5_buttons", .mode = 0440 },
-		.size = sizeof(struct kovaplus_profile_buttons),
+		.size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
 		.read = kovaplus_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[4]
 	},
@@ -444,10 +445,6 @@ static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev,
 
 	mutex_init(&kovaplus->kovaplus_lock);
 
-	retval = kovaplus_get_info(usb_dev, &kovaplus->info);
-	if (retval)
-		return retval;
-
 	for (i = 0; i < 5; ++i) {
 		msleep(wait);
 		retval = kovaplus_get_profile_settings(usb_dev,
diff --git a/drivers/hid/hid-roccat-kovaplus.h b/drivers/hid/hid-roccat-kovaplus.h
index f82daa1cdcb9..fbb7a16a7e54 100644
--- a/drivers/hid/hid-roccat-kovaplus.h
+++ b/drivers/hid/hid-roccat-kovaplus.h
@@ -14,6 +14,13 @@
 
 #include <linux/types.h>
 
+enum {
+	KOVAPLUS_SIZE_CONTROL = 0x03,
+	KOVAPLUS_SIZE_INFO = 0x06,
+	KOVAPLUS_SIZE_PROFILE_SETTINGS = 0x10,
+	KOVAPLUS_SIZE_PROFILE_BUTTONS = 0x17,
+};
+
 enum kovaplus_control_requests {
 	/* write; value = profile number range 0-4 */
 	KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS = 0x10,
@@ -53,15 +60,9 @@ struct kovaplus_info {
 	uint8_t unknown[3];
 } __packed;
 
-/* writes 1 on plugin */
-struct kovaplus_a {
-	uint8_t command; /* KOVAPLUS_COMMAND_A */
-	uint8_t size; /* 3 */
-	uint8_t unknown;
-} __packed;
-
 enum kovaplus_commands {
 	KOVAPLUS_COMMAND_ACTUAL_PROFILE = 0x5,
+	KOVAPLUS_COMMAND_CONTROL = 0x4,
 	KOVAPLUS_COMMAND_PROFILE_SETTINGS = 0x6,
 	KOVAPLUS_COMMAND_PROFILE_BUTTONS = 0x7,
 	KOVAPLUS_COMMAND_INFO = 0x9,
@@ -125,7 +126,6 @@ struct kovaplus_device {
 	int roccat_claimed;
 	int chrdev_minor;
 	struct mutex kovaplus_lock;
-	struct kovaplus_info info;
 	struct kovaplus_profile_settings profile_settings[5];
 	struct kovaplus_profile_buttons profile_buttons[5];
 };
diff --git a/drivers/hid/hid-roccat-lua.c b/drivers/hid/hid-roccat-lua.c
new file mode 100644
index 000000000000..6adc0fa08d96
--- /dev/null
+++ b/drivers/hid/hid-roccat-lua.c
@@ -0,0 +1,215 @@
+/*
+ * Roccat Lua driver for Linux
+ *
+ * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+/*
+ * Roccat Lua is a gamer mouse which cpi, button and light settings can be
+ * configured.
+ */
+
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/hid-roccat.h>
+#include "hid-ids.h"
+#include "hid-roccat-common.h"
+#include "hid-roccat-lua.h"
+
+static ssize_t lua_sysfs_read(struct file *fp, struct kobject *kobj,
+		char *buf, loff_t off, size_t count,
+		size_t real_size, uint command)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct lua_device *lua = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	int retval;
+
+	if (off >= real_size)
+		return 0;
+
+	if (off != 0 || count != real_size)
+		return -EINVAL;
+
+	mutex_lock(&lua->lua_lock);
+	retval = roccat_common2_receive(usb_dev, command, buf, real_size);
+	mutex_unlock(&lua->lua_lock);
+
+	return retval ? retval : real_size;
+}
+
+static ssize_t lua_sysfs_write(struct file *fp, struct kobject *kobj,
+		void const *buf, loff_t off, size_t count,
+		size_t real_size, uint command)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct lua_device *lua = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	int retval;
+
+	if (off != 0 || count != real_size)
+		return -EINVAL;
+
+	mutex_lock(&lua->lua_lock);
+	retval = roccat_common2_send(usb_dev, command, (void *)buf, real_size);
+	mutex_unlock(&lua->lua_lock);
+
+	return retval ? retval : real_size;
+}
+
+#define LUA_SYSFS_W(thingy, THINGY) \
+static ssize_t lua_sysfs_write_ ## thingy(struct file *fp, \
+		struct kobject *kobj, struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
+{ \
+	return lua_sysfs_write(fp, kobj, buf, off, count, \
+			LUA_SIZE_ ## THINGY, LUA_COMMAND_ ## THINGY); \
+}
+
+#define LUA_SYSFS_R(thingy, THINGY) \
+static ssize_t lua_sysfs_read_ ## thingy(struct file *fp, \
+		struct kobject *kobj, struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
+{ \
+	return lua_sysfs_read(fp, kobj, buf, off, count, \
+			LUA_SIZE_ ## THINGY, LUA_COMMAND_ ## THINGY); \
+}
+
+#define LUA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
+LUA_SYSFS_W(thingy, THINGY) \
+LUA_SYSFS_R(thingy, THINGY) \
+static struct bin_attribute lua_ ## thingy ## _attr = { \
+	.attr = { .name = #thingy, .mode = 0660 }, \
+	.size = LUA_SIZE_ ## THINGY, \
+	.read = lua_sysfs_read_ ## thingy, \
+	.write = lua_sysfs_write_ ## thingy \
+};
+
+LUA_BIN_ATTRIBUTE_RW(control, CONTROL)
+
+static int lua_create_sysfs_attributes(struct usb_interface *intf)
+{
+	return sysfs_create_bin_file(&intf->dev.kobj, &lua_control_attr);
+}
+
+static void lua_remove_sysfs_attributes(struct usb_interface *intf)
+{
+	sysfs_remove_bin_file(&intf->dev.kobj, &lua_control_attr);
+}
+
+static int lua_init_lua_device_struct(struct usb_device *usb_dev,
+		struct lua_device *lua)
+{
+	mutex_init(&lua->lua_lock);
+
+	return 0;
+}
+
+static int lua_init_specials(struct hid_device *hdev)
+{
+	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct usb_device *usb_dev = interface_to_usbdev(intf);
+	struct lua_device *lua;
+	int retval;
+
+	lua = kzalloc(sizeof(*lua), GFP_KERNEL);
+	if (!lua) {
+		hid_err(hdev, "can't alloc device descriptor\n");
+		return -ENOMEM;
+	}
+	hid_set_drvdata(hdev, lua);
+
+	retval = lua_init_lua_device_struct(usb_dev, lua);
+	if (retval) {
+		hid_err(hdev, "couldn't init struct lua_device\n");
+		goto exit;
+	}
+
+	retval = lua_create_sysfs_attributes(intf);
+	if (retval) {
+		hid_err(hdev, "cannot create sysfs files\n");
+		goto exit;
+	}
+
+	return 0;
+exit:
+	kfree(lua);
+	return retval;
+}
+
+static void lua_remove_specials(struct hid_device *hdev)
+{
+	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+	struct lua_device *lua;
+
+	lua_remove_sysfs_attributes(intf);
+
+	lua = hid_get_drvdata(hdev);
+	kfree(lua);
+}
+
+static int lua_probe(struct hid_device *hdev,
+		const struct hid_device_id *id)
+{
+	int retval;
+
+	retval = hid_parse(hdev);
+	if (retval) {
+		hid_err(hdev, "parse failed\n");
+		goto exit;
+	}
+
+	retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (retval) {
+		hid_err(hdev, "hw start failed\n");
+		goto exit;
+	}
+
+	retval = lua_init_specials(hdev);
+	if (retval) {
+		hid_err(hdev, "couldn't install mouse\n");
+		goto exit_stop;
+	}
+
+	return 0;
+
+exit_stop:
+	hid_hw_stop(hdev);
+exit:
+	return retval;
+}
+
+static void lua_remove(struct hid_device *hdev)
+{
+	lua_remove_specials(hdev);
+	hid_hw_stop(hdev);
+}
+
+static const struct hid_device_id lua_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(hid, lua_devices);
+
+static struct hid_driver lua_driver = {
+		.name = "lua",
+		.id_table = lua_devices,
+		.probe = lua_probe,
+		.remove = lua_remove
+};
+module_hid_driver(lua_driver);
+
+MODULE_AUTHOR("Stefan Achatz");
+MODULE_DESCRIPTION("USB Roccat Lua driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hid/hid-roccat-lua.h b/drivers/hid/hid-roccat-lua.h
new file mode 100644
index 000000000000..547d77a375d1
--- /dev/null
+++ b/drivers/hid/hid-roccat-lua.h
@@ -0,0 +1,29 @@
+#ifndef __HID_ROCCAT_LUA_H
+#define __HID_ROCCAT_LUA_H
+
+/*
+ * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/types.h>
+
+enum {
+	LUA_SIZE_CONTROL = 8,
+};
+
+enum lua_commands {
+	LUA_COMMAND_CONTROL = 3,
+};
+
+struct lua_device {
+	struct mutex lua_lock;
+};
+
+#endif
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
index 1317c177a3e2..d4f1e3bee590 100644
--- a/drivers/hid/hid-roccat-pyra.c
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -66,48 +66,14 @@ static int pyra_get_profile_settings(struct usb_device *usb_dev,
 	if (retval)
 		return retval;
 	return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS,
-			buf, sizeof(struct pyra_profile_settings));
-}
-
-static int pyra_get_profile_buttons(struct usb_device *usb_dev,
-		struct pyra_profile_buttons *buf, int number)
-{
-	int retval;
-	retval = pyra_send_control(usb_dev, number,
-			PYRA_CONTROL_REQUEST_PROFILE_BUTTONS);
-	if (retval)
-		return retval;
-	return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_BUTTONS,
-			buf, sizeof(struct pyra_profile_buttons));
+			buf, PYRA_SIZE_PROFILE_SETTINGS);
 }
 
 static int pyra_get_settings(struct usb_device *usb_dev,
 		struct pyra_settings *buf)
 {
 	return roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
-			buf, sizeof(struct pyra_settings));
-}
-
-static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf)
-{
-	return roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO,
-			buf, sizeof(struct pyra_info));
-}
-
-static int pyra_set_profile_settings(struct usb_device *usb_dev,
-		struct pyra_profile_settings const *settings)
-{
-	return roccat_common2_send_with_status(usb_dev,
-			PYRA_COMMAND_PROFILE_SETTINGS, settings,
-			sizeof(struct pyra_profile_settings));
-}
-
-static int pyra_set_profile_buttons(struct usb_device *usb_dev,
-		struct pyra_profile_buttons const *buttons)
-{
-	return roccat_common2_send_with_status(usb_dev,
-			PYRA_COMMAND_PROFILE_BUTTONS, buttons,
-			sizeof(struct pyra_profile_buttons));
+			buf, PYRA_SIZE_SETTINGS);
 }
 
 static int pyra_set_settings(struct usb_device *usb_dev,
@@ -115,146 +81,144 @@ static int pyra_set_settings(struct usb_device *usb_dev,
 {
 	return roccat_common2_send_with_status(usb_dev,
 			PYRA_COMMAND_SETTINGS, settings,
-			sizeof(struct pyra_settings));
+			PYRA_SIZE_SETTINGS);
 }
 
-static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+static ssize_t pyra_sysfs_read(struct file *fp, struct kobject *kobj,
+		char *buf, loff_t off, size_t count,
+		size_t real_size, uint command)
 {
 	struct device *dev =
 			container_of(kobj, struct device, kobj)->parent->parent;
 	struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	int retval;
 
-	if (off >= sizeof(struct pyra_profile_settings))
+	if (off >= real_size)
 		return 0;
 
-	if (off + count > sizeof(struct pyra_profile_settings))
-		count = sizeof(struct pyra_profile_settings) - off;
+	if (off != 0 || count != real_size)
+		return -EINVAL;
 
 	mutex_lock(&pyra->pyra_lock);
-	memcpy(buf, ((char const *)&pyra->profile_settings[*(uint *)(attr->private)]) + off,
-			count);
+	retval = roccat_common2_receive(usb_dev, command, buf, real_size);
 	mutex_unlock(&pyra->pyra_lock);
 
-	return count;
+	if (retval)
+		return retval;
+
+	return real_size;
 }
 
-static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+static ssize_t pyra_sysfs_write(struct file *fp, struct kobject *kobj,
+		void const *buf, loff_t off, size_t count,
+		size_t real_size, uint command)
 {
 	struct device *dev =
 			container_of(kobj, struct device, kobj)->parent->parent;
 	struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	int retval;
 
-	if (off >= sizeof(struct pyra_profile_buttons))
-		return 0;
-
-	if (off + count > sizeof(struct pyra_profile_buttons))
-		count = sizeof(struct pyra_profile_buttons) - off;
+	if (off != 0 || count != real_size)
+		return -EINVAL;
 
 	mutex_lock(&pyra->pyra_lock);
-	memcpy(buf, ((char const *)&pyra->profile_buttons[*(uint *)(attr->private)]) + off,
-			count);
+	retval = roccat_common2_send_with_status(usb_dev, command, (void *)buf, real_size);
 	mutex_unlock(&pyra->pyra_lock);
 
-	return count;
+	if (retval)
+		return retval;
+
+	return real_size;
 }
 
-static ssize_t pyra_sysfs_write_profile_settings(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
-{
-	struct device *dev =
-			container_of(kobj, struct device, kobj)->parent->parent;
-	struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
-	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
-	int retval = 0;
-	int difference;
-	int profile_number;
-	struct pyra_profile_settings *profile_settings;
+#define PYRA_SYSFS_W(thingy, THINGY) \
+static ssize_t pyra_sysfs_write_ ## thingy(struct file *fp, \
+		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+		loff_t off, size_t count) \
+{ \
+	return pyra_sysfs_write(fp, kobj, buf, off, count, \
+			PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
+}
 
-	if (off != 0 || count != sizeof(struct pyra_profile_settings))
-		return -EINVAL;
+#define PYRA_SYSFS_R(thingy, THINGY) \
+static ssize_t pyra_sysfs_read_ ## thingy(struct file *fp, \
+		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+		loff_t off, size_t count) \
+{ \
+	return pyra_sysfs_read(fp, kobj, buf, off, count, \
+			PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
+}
 
-	profile_number = ((struct pyra_profile_settings const *)buf)->number;
-	profile_settings = &pyra->profile_settings[profile_number];
+#define PYRA_SYSFS_RW(thingy, THINGY) \
+PYRA_SYSFS_W(thingy, THINGY) \
+PYRA_SYSFS_R(thingy, THINGY)
 
-	mutex_lock(&pyra->pyra_lock);
-	difference = memcmp(buf, profile_settings,
-			sizeof(struct pyra_profile_settings));
-	if (difference) {
-		retval = pyra_set_profile_settings(usb_dev,
-				(struct pyra_profile_settings const *)buf);
-		if (!retval)
-			memcpy(profile_settings, buf,
-					sizeof(struct pyra_profile_settings));
-	}
-	mutex_unlock(&pyra->pyra_lock);
+#define PYRA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
+{ \
+	.attr = { .name = #thingy, .mode = 0660 }, \
+	.size = PYRA_SIZE_ ## THINGY, \
+	.read = pyra_sysfs_read_ ## thingy, \
+	.write = pyra_sysfs_write_ ## thingy \
+}
 
-	if (retval)
-		return retval;
+#define PYRA_BIN_ATTRIBUTE_R(thingy, THINGY) \
+{ \
+	.attr = { .name = #thingy, .mode = 0440 }, \
+	.size = PYRA_SIZE_ ## THINGY, \
+	.read = pyra_sysfs_read_ ## thingy, \
+}
 
-	return sizeof(struct pyra_profile_settings);
+#define PYRA_BIN_ATTRIBUTE_W(thingy, THINGY) \
+{ \
+	.attr = { .name = #thingy, .mode = 0220 }, \
+	.size = PYRA_SIZE_ ## THINGY, \
+	.write = pyra_sysfs_write_ ## thingy \
 }
 
-static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp,
+PYRA_SYSFS_W(control, CONTROL)
+PYRA_SYSFS_RW(info, INFO)
+PYRA_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
+PYRA_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
+PYRA_SYSFS_R(settings, SETTINGS)
+
+static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
 		struct kobject *kobj, struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count)
 {
 	struct device *dev =
 			container_of(kobj, struct device, kobj)->parent->parent;
-	struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
-	int retval = 0;
-	int difference;
-	int profile_number;
-	struct pyra_profile_buttons *profile_buttons;
-
-	if (off != 0 || count != sizeof(struct pyra_profile_buttons))
-		return -EINVAL;
-
-	profile_number = ((struct pyra_profile_buttons const *)buf)->number;
-	profile_buttons = &pyra->profile_buttons[profile_number];
-
-	mutex_lock(&pyra->pyra_lock);
-	difference = memcmp(buf, profile_buttons,
-			sizeof(struct pyra_profile_buttons));
-	if (difference) {
-		retval = pyra_set_profile_buttons(usb_dev,
-				(struct pyra_profile_buttons const *)buf);
-		if (!retval)
-			memcpy(profile_buttons, buf,
-					sizeof(struct pyra_profile_buttons));
-	}
-	mutex_unlock(&pyra->pyra_lock);
+	ssize_t retval;
 
+	retval = pyra_send_control(usb_dev, *(uint *)(attr->private),
+			PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
 	if (retval)
 		return retval;
 
-	return sizeof(struct pyra_profile_buttons);
+	return pyra_sysfs_read(fp, kobj, buf, off, count,
+			PYRA_SIZE_PROFILE_SETTINGS,
+			PYRA_COMMAND_PROFILE_SETTINGS);
 }
 
-static ssize_t pyra_sysfs_read_settings(struct file *fp,
+static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
 		struct kobject *kobj, struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count)
 {
 	struct device *dev =
 			container_of(kobj, struct device, kobj)->parent->parent;
-	struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
-
-	if (off >= sizeof(struct pyra_settings))
-		return 0;
-
-	if (off + count > sizeof(struct pyra_settings))
-		count = sizeof(struct pyra_settings) - off;
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	ssize_t retval;
 
-	mutex_lock(&pyra->pyra_lock);
-	memcpy(buf, ((char const *)&pyra->settings) + off, count);
-	mutex_unlock(&pyra->pyra_lock);
+	retval = pyra_send_control(usb_dev, *(uint *)(attr->private),
+			PYRA_CONTROL_REQUEST_PROFILE_BUTTONS);
+	if (retval)
+		return retval;
 
-	return count;
+	return pyra_sysfs_read(fp, kobj, buf, off, count,
+			PYRA_SIZE_PROFILE_BUTTONS,
+			PYRA_COMMAND_PROFILE_BUTTONS);
 }
 
 static ssize_t pyra_sysfs_write_settings(struct file *fp,
@@ -266,35 +230,32 @@ static ssize_t pyra_sysfs_write_settings(struct file *fp,
 	struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 	int retval = 0;
-	int difference;
 	struct pyra_roccat_report roccat_report;
+	struct pyra_settings const *settings;
 
-	if (off != 0 || count != sizeof(struct pyra_settings))
+	if (off != 0 || count != PYRA_SIZE_SETTINGS)
 		return -EINVAL;
 
 	mutex_lock(&pyra->pyra_lock);
-	difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings));
-	if (difference) {
-		retval = pyra_set_settings(usb_dev,
-				(struct pyra_settings const *)buf);
-		if (retval) {
-			mutex_unlock(&pyra->pyra_lock);
-			return retval;
-		}
-
-		memcpy(&pyra->settings, buf,
-				sizeof(struct pyra_settings));
 
-		profile_activated(pyra, pyra->settings.startup_profile);
+	settings = (struct pyra_settings const *)buf;
 
-		roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
-		roccat_report.value = pyra->settings.startup_profile + 1;
-		roccat_report.key = 0;
-		roccat_report_event(pyra->chrdev_minor,
-				(uint8_t const *)&roccat_report);
+	retval = pyra_set_settings(usb_dev, settings);
+	if (retval) {
+		mutex_unlock(&pyra->pyra_lock);
+		return retval;
 	}
+
+	profile_activated(pyra, settings->startup_profile);
+
+	roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
+	roccat_report.value = settings->startup_profile + 1;
+	roccat_report.key = 0;
+	roccat_report_event(pyra->chrdev_minor,
+			(uint8_t const *)&roccat_report);
+
 	mutex_unlock(&pyra->pyra_lock);
-	return sizeof(struct pyra_settings);
+	return PYRA_SIZE_SETTINGS;
 }
 
 
@@ -311,23 +272,34 @@ static ssize_t pyra_sysfs_show_actual_profile(struct device *dev,
 {
 	struct pyra_device *pyra =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile);
+	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+	struct pyra_settings settings;
+
+	mutex_lock(&pyra->pyra_lock);
+	roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
+			&settings, PYRA_SIZE_SETTINGS);
+	mutex_unlock(&pyra->pyra_lock);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile);
 }
 
 static ssize_t pyra_sysfs_show_firmware_version(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct pyra_device *pyra =
-			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version);
-}
+	struct pyra_device *pyra;
+	struct usb_device *usb_dev;
+	struct pyra_info info;
 
-static ssize_t pyra_sysfs_show_startup_profile(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	struct pyra_device *pyra =
-			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile);
+	dev = dev->parent->parent;
+	pyra = hid_get_drvdata(dev_get_drvdata(dev));
+	usb_dev = interface_to_usbdev(to_usb_interface(dev));
+
+	mutex_lock(&pyra->pyra_lock);
+	roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO,
+			&info, PYRA_SIZE_INFO);
+	mutex_unlock(&pyra->pyra_lock);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
 }
 
 static struct device_attribute pyra_attributes[] = {
@@ -336,105 +308,88 @@ static struct device_attribute pyra_attributes[] = {
 	__ATTR(firmware_version, 0440,
 			pyra_sysfs_show_firmware_version, NULL),
 	__ATTR(startup_profile, 0440,
-			pyra_sysfs_show_startup_profile, NULL),
+			pyra_sysfs_show_actual_profile, NULL),
 	__ATTR_NULL
 };
 
 static struct bin_attribute pyra_bin_attributes[] = {
-	{
-		.attr = { .name = "profile_settings", .mode = 0220 },
-		.size = sizeof(struct pyra_profile_settings),
-		.write = pyra_sysfs_write_profile_settings
-	},
+	PYRA_BIN_ATTRIBUTE_W(control, CONTROL),
+	PYRA_BIN_ATTRIBUTE_RW(info, INFO),
+	PYRA_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
+	PYRA_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
+	PYRA_BIN_ATTRIBUTE_RW(settings, SETTINGS),
 	{
 		.attr = { .name = "profile1_settings", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_settings),
+		.size = PYRA_SIZE_PROFILE_SETTINGS,
 		.read = pyra_sysfs_read_profilex_settings,
 		.private = &profile_numbers[0]
 	},
 	{
 		.attr = { .name = "profile2_settings", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_settings),
+		.size = PYRA_SIZE_PROFILE_SETTINGS,
 		.read = pyra_sysfs_read_profilex_settings,
 		.private = &profile_numbers[1]
 	},
 	{
 		.attr = { .name = "profile3_settings", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_settings),
+		.size = PYRA_SIZE_PROFILE_SETTINGS,
 		.read = pyra_sysfs_read_profilex_settings,
 		.private = &profile_numbers[2]
 	},
 	{
 		.attr = { .name = "profile4_settings", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_settings),
+		.size = PYRA_SIZE_PROFILE_SETTINGS,
 		.read = pyra_sysfs_read_profilex_settings,
 		.private = &profile_numbers[3]
 	},
 	{
 		.attr = { .name = "profile5_settings", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_settings),
+		.size = PYRA_SIZE_PROFILE_SETTINGS,
 		.read = pyra_sysfs_read_profilex_settings,
 		.private = &profile_numbers[4]
 	},
 	{
-		.attr = { .name = "profile_buttons", .mode = 0220 },
-		.size = sizeof(struct pyra_profile_buttons),
-		.write = pyra_sysfs_write_profile_buttons
-	},
-	{
 		.attr = { .name = "profile1_buttons", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_buttons),
+		.size = PYRA_SIZE_PROFILE_BUTTONS,
 		.read = pyra_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[0]
 	},
 	{
 		.attr = { .name = "profile2_buttons", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_buttons),
+		.size = PYRA_SIZE_PROFILE_BUTTONS,
 		.read = pyra_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[1]
 	},
 	{
 		.attr = { .name = "profile3_buttons", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_buttons),
+		.size = PYRA_SIZE_PROFILE_BUTTONS,
 		.read = pyra_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[2]
 	},
 	{
 		.attr = { .name = "profile4_buttons", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_buttons),
+		.size = PYRA_SIZE_PROFILE_BUTTONS,
 		.read = pyra_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[3]
 	},
 	{
 		.attr = { .name = "profile5_buttons", .mode = 0440 },
-		.size = sizeof(struct pyra_profile_buttons),
+		.size = PYRA_SIZE_PROFILE_BUTTONS,
 		.read = pyra_sysfs_read_profilex_buttons,
 		.private = &profile_numbers[4]
 	},
-	{
-		.attr = { .name = "settings", .mode = 0660 },
-		.size = sizeof(struct pyra_settings),
-		.read = pyra_sysfs_read_settings,
-		.write = pyra_sysfs_write_settings
-	},
 	__ATTR_NULL
 };
 
 static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
 		struct pyra_device *pyra)
 {
-	struct pyra_info info;
+	struct pyra_settings settings;
 	int retval, i;
 
 	mutex_init(&pyra->pyra_lock);
 
-	retval = pyra_get_info(usb_dev, &info);
-	if (retval)
-		return retval;
-
-	pyra->firmware_version = info.firmware_version;
-
-	retval = pyra_get_settings(usb_dev, &pyra->settings);
+	retval = pyra_get_settings(usb_dev, &settings);
 	if (retval)
 		return retval;
 
@@ -443,14 +398,9 @@ static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
 				&pyra->profile_settings[i], i);
 		if (retval)
 			return retval;
-
-		retval = pyra_get_profile_buttons(usb_dev,
-				&pyra->profile_buttons[i], i);
-		if (retval)
-			return retval;
 	}
 
-	profile_activated(pyra, pyra->settings.startup_profile);
+	profile_activated(pyra, settings.startup_profile);
 
 	return 0;
 }
diff --git a/drivers/hid/hid-roccat-pyra.h b/drivers/hid/hid-roccat-pyra.h
index eada7830fa99..beedcf001ceb 100644
--- a/drivers/hid/hid-roccat-pyra.h
+++ b/drivers/hid/hid-roccat-pyra.h
@@ -14,11 +14,13 @@
 
 #include <linux/types.h>
 
-struct pyra_b {
-	uint8_t command; /* PYRA_COMMAND_B */
-	uint8_t size; /* always 3 */
-	uint8_t unknown; /* 1 */
-} __attribute__ ((__packed__));
+enum {
+	PYRA_SIZE_CONTROL = 0x03,
+	PYRA_SIZE_INFO = 0x06,
+	PYRA_SIZE_PROFILE_SETTINGS = 0x0d,
+	PYRA_SIZE_PROFILE_BUTTONS = 0x13,
+	PYRA_SIZE_SETTINGS = 0x03,
+};
 
 enum pyra_control_requests {
 	PYRA_CONTROL_REQUEST_PROFILE_SETTINGS = 0x10,
@@ -46,14 +48,6 @@ struct pyra_profile_settings {
 	uint16_t checksum; /* byte sum */
 } __attribute__ ((__packed__));
 
-struct pyra_profile_buttons {
-	uint8_t command; /* PYRA_COMMAND_PROFILE_BUTTONS */
-	uint8_t size; /* always 0x13 */
-	uint8_t number; /* Range 0-4 */
-	uint8_t buttons[14];
-	uint16_t checksum; /* byte sum */
-} __attribute__ ((__packed__));
-
 struct pyra_info {
 	uint8_t command; /* PYRA_COMMAND_INFO */
 	uint8_t size; /* always 6 */
@@ -64,6 +58,7 @@ struct pyra_info {
 } __attribute__ ((__packed__));
 
 enum pyra_commands {
+	PYRA_COMMAND_CONTROL = 0x4,
 	PYRA_COMMAND_SETTINGS = 0x5,
 	PYRA_COMMAND_PROFILE_SETTINGS = 0x6,
 	PYRA_COMMAND_PROFILE_BUTTONS = 0x7,
@@ -148,13 +143,10 @@ struct pyra_roccat_report {
 struct pyra_device {
 	int actual_profile;
 	int actual_cpi;
-	int firmware_version;
 	int roccat_claimed;
 	int chrdev_minor;
 	struct mutex pyra_lock;
-	struct pyra_settings settings;
 	struct pyra_profile_settings profile_settings[5];
-	struct pyra_profile_buttons profile_buttons[5];
 };
 
 #endif
diff --git a/drivers/hid/hid-roccat-savu.c b/drivers/hid/hid-roccat-savu.c
index 014afba407e0..31747a29c093 100644
--- a/drivers/hid/hid-roccat-savu.c
+++ b/drivers/hid/hid-roccat-savu.c
@@ -120,7 +120,7 @@ SAVU_SYSFS_RW(profile, PROFILE)
 SAVU_SYSFS_RW(general, GENERAL)
 SAVU_SYSFS_RW(buttons, BUTTONS)
 SAVU_SYSFS_RW(macro, MACRO)
-SAVU_SYSFS_R(info, INFO)
+SAVU_SYSFS_RW(info, INFO)
 SAVU_SYSFS_RW(sensor, SENSOR)
 
 static struct bin_attribute savu_bin_attributes[] = {
@@ -129,7 +129,7 @@ static struct bin_attribute savu_bin_attributes[] = {
 	SAVU_BIN_ATTRIBUTE_RW(general, GENERAL),
 	SAVU_BIN_ATTRIBUTE_RW(buttons, BUTTONS),
 	SAVU_BIN_ATTRIBUTE_RW(macro, MACRO),
-	SAVU_BIN_ATTRIBUTE_R(info, INFO),
+	SAVU_BIN_ATTRIBUTE_RW(info, INFO),
 	SAVU_BIN_ATTRIBUTE_RW(sensor, SENSOR),
 	__ATTR_NULL
 };
diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c
index b685b04dbf9d..d7437ef5c695 100644
--- a/drivers/hid/hid-roccat.c
+++ b/drivers/hid/hid-roccat.c
@@ -378,7 +378,7 @@ EXPORT_SYMBOL_GPL(roccat_disconnect);
 
 static long roccat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct roccat_device *device;
 	unsigned int minor = iminor(inode);
 	long retval = 0;
diff --git a/drivers/hid/hid-saitek.c b/drivers/hid/hid-saitek.c
index 45aea77bb611..37961c7e397d 100644
--- a/drivers/hid/hid-saitek.c
+++ b/drivers/hid/hid-saitek.c
@@ -54,17 +54,6 @@ static struct hid_driver saitek_driver = {
 	.id_table = saitek_devices,
 	.report_fixup = saitek_report_fixup
 };
+module_hid_driver(saitek_driver);
 
-static int __init saitek_init(void)
-{
-	return hid_register_driver(&saitek_driver);
-}
-
-static void __exit saitek_exit(void)
-{
-	hid_unregister_driver(&saitek_driver);
-}
-
-module_init(saitek_init);
-module_exit(saitek_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c
index a5821d317229..7cbb067d4a9e 100644
--- a/drivers/hid/hid-samsung.c
+++ b/drivers/hid/hid-samsung.c
@@ -196,17 +196,6 @@ static struct hid_driver samsung_driver = {
 	.input_mapping = samsung_input_mapping,
 	.probe = samsung_probe,
 };
+module_hid_driver(samsung_driver);
 
-static int __init samsung_init(void)
-{
-	return hid_register_driver(&samsung_driver);
-}
-
-static void __exit samsung_exit(void)
-{
-	hid_unregister_driver(&samsung_driver);
-}
-
-module_init(samsung_init);
-module_exit(samsung_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index d9d73e9163eb..6679788bf75a 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -82,23 +82,6 @@ struct hid_sensor_hub_callbacks_list {
 	void *priv;
 };
 
-static int sensor_hub_check_for_sensor_page(struct hid_device *hdev)
-{
-	int i;
-	int ret = -EINVAL;
-
-	for (i = 0; i < hdev->maxcollection; i++) {
-		struct hid_collection *col = &hdev->collection[i];
-		if (col->type == HID_COLLECTION_PHYSICAL &&
-		   (col->usage & HID_USAGE_PAGE) == HID_UP_SENSOR) {
-			ret = 0;
-			break;
-		}
-	}
-
-	return ret;
-}
-
 static struct hid_report *sensor_hub_report(int id, struct hid_device *hdev,
 						int dir)
 {
@@ -437,9 +420,6 @@ static int sensor_hub_raw_event(struct hid_device *hdev,
 	ptr = raw_data;
 	ptr++; /*Skip report id*/
 
-	if (!report)
-		goto err_report;
-
 	spin_lock_irqsave(&pdata->lock, flags);
 
 	for (i = 0; i < report->maxfield; ++i) {
@@ -485,7 +465,6 @@ static int sensor_hub_raw_event(struct hid_device *hdev,
 				callback->pdev);
 	spin_unlock_irqrestore(&pdata->lock, flags);
 
-err_report:
 	return 1;
 }
 
@@ -524,10 +503,6 @@ static int sensor_hub_probe(struct hid_device *hdev,
 		hid_err(hdev, "parse failed\n");
 		goto err_free;
 	}
-	if (sensor_hub_check_for_sensor_page(hdev) < 0) {
-		hid_err(hdev, "sensor page not found\n");
-		goto err_free;
-	}
 	INIT_LIST_HEAD(&hdev->inputs);
 
 	ret = hid_hw_start(hdev, 0);
@@ -630,25 +605,12 @@ static void sensor_hub_remove(struct hid_device *hdev)
 }
 
 static const struct hid_device_id sensor_hub_devices[] = {
-	{ HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8086,
-			USB_DEVICE_ID_SENSOR_HUB_1020) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8087,
-			USB_DEVICE_ID_SENSOR_HUB_1020) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8086,
-			USB_DEVICE_ID_SENSOR_HUB_09FA) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_INTEL_8087,
-			USB_DEVICE_ID_SENSOR_HUB_09FA) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
-			USB_DEVICE_ID_SENSOR_HUB_7014) },
+	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, HID_ANY_ID,
+		     HID_ANY_ID) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, sensor_hub_devices);
 
-static const struct hid_usage_id sensor_hub_grabbed_usages[] = {
-	{ HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
-	{ HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1 }
-};
-
 static struct hid_driver sensor_hub_driver = {
 	.name = "hid-sensor-hub",
 	.id_table = sensor_hub_devices,
@@ -661,19 +623,7 @@ static struct hid_driver sensor_hub_driver = {
 	.reset_resume =  sensor_hub_reset_resume,
 #endif
 };
-
-static int __init sensor_hub_init(void)
-{
-	return hid_register_driver(&sensor_hub_driver);
-}
-
-static void __exit sensor_hub_exit(void)
-{
-	hid_unregister_driver(&sensor_hub_driver);
-}
-
-module_init(sensor_hub_init);
-module_exit(sensor_hub_exit);
+module_hid_driver(sensor_hub_driver);
 
 MODULE_DESCRIPTION("HID Sensor Hub driver");
 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@intel.com>");
diff --git a/drivers/hid/hid-sjoy.c b/drivers/hid/hid-sjoy.c
index 42257acfeb73..28f774003f03 100644
--- a/drivers/hid/hid-sjoy.c
+++ b/drivers/hid/hid-sjoy.c
@@ -177,19 +177,8 @@ static struct hid_driver sjoy_driver = {
 	.id_table = sjoy_devices,
 	.probe = sjoy_probe,
 };
+module_hid_driver(sjoy_driver);
 
-static int __init sjoy_init(void)
-{
-	return hid_register_driver(&sjoy_driver);
-}
-
-static void __exit sjoy_exit(void)
-{
-	hid_unregister_driver(&sjoy_driver);
-}
-
-module_init(sjoy_init);
-module_exit(sjoy_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jussi Kivilinna");
 
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 7f33ebf299c2..312098e4af4f 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -33,6 +33,28 @@ static const u8 sixaxis_rdesc_fixup[] = {
 	0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02
 };
 
+static const u8 sixaxis_rdesc_fixup2[] = {
+	0x05, 0x01, 0x09, 0x04, 0xa1, 0x01, 0xa1, 0x02,
+	0x85, 0x01, 0x75, 0x08, 0x95, 0x01, 0x15, 0x00,
+	0x26, 0xff, 0x00, 0x81, 0x03, 0x75, 0x01, 0x95,
+	0x13, 0x15, 0x00, 0x25, 0x01, 0x35, 0x00, 0x45,
+	0x01, 0x05, 0x09, 0x19, 0x01, 0x29, 0x13, 0x81,
+	0x02, 0x75, 0x01, 0x95, 0x0d, 0x06, 0x00, 0xff,
+	0x81, 0x03, 0x15, 0x00, 0x26, 0xff, 0x00, 0x05,
+	0x01, 0x09, 0x01, 0xa1, 0x00, 0x75, 0x08, 0x95,
+	0x04, 0x35, 0x00, 0x46, 0xff, 0x00, 0x09, 0x30,
+	0x09, 0x31, 0x09, 0x32, 0x09, 0x35, 0x81, 0x02,
+	0xc0, 0x05, 0x01, 0x95, 0x13, 0x09, 0x01, 0x81,
+	0x02, 0x95, 0x0c, 0x81, 0x01, 0x75, 0x10, 0x95,
+	0x04, 0x26, 0xff, 0x03, 0x46, 0xff, 0x03, 0x09,
+	0x01, 0x81, 0x02, 0xc0, 0xa1, 0x02, 0x85, 0x02,
+	0x75, 0x08, 0x95, 0x30, 0x09, 0x01, 0xb1, 0x02,
+	0xc0, 0xa1, 0x02, 0x85, 0xee, 0x75, 0x08, 0x95,
+	0x30, 0x09, 0x01, 0xb1, 0x02, 0xc0, 0xa1, 0x02,
+	0x85, 0xef, 0x75, 0x08, 0x95, 0x30, 0x09, 0x01,
+	0xb1, 0x02, 0xc0, 0xc0,
+};
+
 struct sony_sc {
 	unsigned long quirks;
 };
@@ -43,9 +65,19 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 {
 	struct sony_sc *sc = hid_get_drvdata(hdev);
 
-	if ((sc->quirks & VAIO_RDESC_CONSTANT) &&
-			*rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) {
-		hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n");
+	/*
+	 * Some Sony RF receivers wrongly declare the mouse pointer as a
+	 * a constant non-data variable.
+	 */
+	if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
+	    /* usage page: generic desktop controls */
+	    /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
+	    /* usage: mouse */
+	    rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
+	    /* input (usage page for x,y axes): constant, variable, relative */
+	    rdesc[54] == 0x81 && rdesc[55] == 0x07) {
+		hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
+		/* input: data, variable, relative */
 		rdesc[55] = 0x06;
 	}
 
@@ -56,6 +88,12 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n");
 		memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup,
 			sizeof(sixaxis_rdesc_fixup));
+	} else if (sc->quirks & SIXAXIS_CONTROLLER_USB &&
+		   *rsize > sizeof(sixaxis_rdesc_fixup2)) {
+		hid_info(hdev, "Sony Sixaxis clone detected. Using original report descriptor (size: %d clone; %d new)\n",
+			 *rsize, (int)sizeof(sixaxis_rdesc_fixup2));
+		*rsize = sizeof(sixaxis_rdesc_fixup2);
+		memcpy(rdesc, &sixaxis_rdesc_fixup2, *rsize);
 	}
 	return rdesc;
 }
@@ -217,6 +255,8 @@ static const struct hid_device_id sony_devices[] = {
 		.driver_data = SIXAXIS_CONTROLLER_BT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
 		.driver_data = VAIO_RDESC_CONSTANT },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
+		.driver_data = VAIO_RDESC_CONSTANT },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, sony_devices);
@@ -229,17 +269,6 @@ static struct hid_driver sony_driver = {
 	.report_fixup = sony_report_fixup,
 	.raw_event = sony_raw_event
 };
+module_hid_driver(sony_driver);
 
-static int __init sony_init(void)
-{
-	return hid_register_driver(&sony_driver);
-}
-
-static void __exit sony_exit(void)
-{
-	hid_unregister_driver(&sony_driver);
-}
-
-module_init(sony_init);
-module_exit(sony_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-speedlink.c b/drivers/hid/hid-speedlink.c
index 602013741718..e94371a059cb 100644
--- a/drivers/hid/hid-speedlink.c
+++ b/drivers/hid/hid-speedlink.c
@@ -73,17 +73,6 @@ static struct hid_driver speedlink_driver = {
 	.input_mapping = speedlink_input_mapping,
 	.event = speedlink_event,
 };
+module_hid_driver(speedlink_driver);
 
-static int __init speedlink_init(void)
-{
-	return hid_register_driver(&speedlink_driver);
-}
-
-static void __exit speedlink_exit(void)
-{
-	hid_unregister_driver(&speedlink_driver);
-}
-
-module_init(speedlink_init);
-module_exit(speedlink_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-steelseries.c b/drivers/hid/hid-steelseries.c
new file mode 100644
index 000000000000..2ed995cda44a
--- /dev/null
+++ b/drivers/hid/hid-steelseries.c
@@ -0,0 +1,393 @@
+/*
+ *  HID driver for Steelseries SRW-S1
+ *
+ *  Copyright (c) 2013 Simon Wood
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/usb.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "usbhid/usbhid.h"
+#include "hid-ids.h"
+
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+#define SRWS1_NUMBER_LEDS 15
+struct steelseries_srws1_data {
+	__u16 led_state;
+	/* the last element is used for setting all leds simultaneously */
+	struct led_classdev *led[SRWS1_NUMBER_LEDS + 1];
+};
+#endif
+
+/* Fixed report descriptor for Steelseries SRW-S1 wheel controller
+ *
+ * The original descriptor hides the sensitivity and assists dials
+ * a custom vendor usage page. This inserts a patch to make them
+ * appear in the 'Generic Desktop' usage.
+ */
+
+static __u8 steelseries_srws1_rdesc_fixed[] = {
+0x05, 0x01,         /*  Usage Page (Desktop)                */
+0x09, 0x08,         /*  Usage (MultiAxis), Changed          */
+0xA1, 0x01,         /*  Collection (Application),           */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x95, 0x01,         /*          Report Count (1),           */
+0x05, 0x01,         /* Changed  Usage Page (Desktop),       */
+0x09, 0x30,         /* Changed  Usage (X),                  */
+0x16, 0xF8, 0xF8,   /*          Logical Minimum (-1800),    */
+0x26, 0x08, 0x07,   /*          Logical Maximum (1800),     */
+0x65, 0x14,         /*          Unit (Degrees),             */
+0x55, 0x0F,         /*          Unit Exponent (15),         */
+0x75, 0x10,         /*          Report Size (16),           */
+0x81, 0x02,         /*          Input (Variable),           */
+0x09, 0x31,         /* Changed  Usage (Y),                  */
+0x15, 0x00,         /*          Logical Minimum (0),        */
+0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
+0x75, 0x0C,         /*          Report Size (12),           */
+0x81, 0x02,         /*          Input (Variable),           */
+0x09, 0x32,         /* Changed  Usage (Z),                  */
+0x15, 0x00,         /*          Logical Minimum (0),        */
+0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
+0x75, 0x0C,         /*          Report Size (12),           */
+0x81, 0x02,         /*          Input (Variable),           */
+0x05, 0x01,         /*          Usage Page (Desktop),       */
+0x09, 0x39,         /*          Usage (Hat Switch),         */
+0x25, 0x07,         /*          Logical Maximum (7),        */
+0x35, 0x00,         /*          Physical Minimum (0),       */
+0x46, 0x3B, 0x01,   /*          Physical Maximum (315),     */
+0x65, 0x14,         /*          Unit (Degrees),             */
+0x75, 0x04,         /*          Report Size (4),            */
+0x95, 0x01,         /*          Report Count (1),           */
+0x81, 0x02,         /*          Input (Variable),           */
+0x25, 0x01,         /*          Logical Maximum (1),        */
+0x45, 0x01,         /*          Physical Maximum (1),       */
+0x65, 0x00,         /*          Unit,                       */
+0x75, 0x01,         /*          Report Size (1),            */
+0x95, 0x03,         /*          Report Count (3),           */
+0x81, 0x01,         /*          Input (Constant),           */
+0x05, 0x09,         /*          Usage Page (Button),        */
+0x19, 0x01,         /*          Usage Minimum (01h),        */
+0x29, 0x11,         /*          Usage Maximum (11h),        */
+0x95, 0x11,         /*          Report Count (17),          */
+0x81, 0x02,         /*          Input (Variable),           */
+                    /*   ---- Dial patch starts here ----   */
+0x05, 0x01,         /*          Usage Page (Desktop),       */
+0x09, 0x33,         /*          Usage (RX),                 */
+0x75, 0x04,         /*          Report Size (4),            */
+0x95, 0x02,         /*          Report Count (2),           */
+0x15, 0x00,         /*          Logical Minimum (0),        */
+0x25, 0x0b,         /*          Logical Maximum (b),        */
+0x81, 0x02,         /*          Input (Variable),           */
+0x09, 0x35,         /*          Usage (RZ),                 */
+0x75, 0x04,         /*          Report Size (4),            */
+0x95, 0x01,         /*          Report Count (1),           */
+0x25, 0x03,         /*          Logical Maximum (3),        */
+0x81, 0x02,         /*          Input (Variable),           */
+                    /*    ---- Dial patch ends here ----    */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
+0x09, 0x01,         /*          Usage (01h),                */
+0x75, 0x04,         /* Changed  Report Size (4),            */
+0x95, 0x0D,         /* Changed  Report Count (13),          */
+0x81, 0x02,         /*          Input (Variable),           */
+0xC0,               /*      End Collection,                 */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x09, 0x02,         /*          Usage (02h),                */
+0x75, 0x08,         /*          Report Size (8),            */
+0x95, 0x10,         /*          Report Count (16),          */
+0x91, 0x02,         /*          Output (Variable),          */
+0xC0,               /*      End Collection,                 */
+0xC0                /*  End Collection                      */
+};
+
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+static void steelseries_srws1_set_leds(struct hid_device *hdev, __u16 leds)
+{
+	struct list_head *report_list = &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
+	struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+	__s32 *value = report->field[0]->value;
+
+	value[0] = 0x40;
+	value[1] = leds & 0xFF;
+	value[2] = leds >> 8;
+	value[3] = 0x00;
+	value[4] = 0x00;
+	value[5] = 0x00;
+	value[6] = 0x00;
+	value[7] = 0x00;
+	value[8] = 0x00;
+	value[9] = 0x00;
+	value[10] = 0x00;
+	value[11] = 0x00;
+	value[12] = 0x00;
+	value[13] = 0x00;
+	value[14] = 0x00;
+	value[15] = 0x00;
+
+	usbhid_submit_report(hdev, report, USB_DIR_OUT);
+
+	/* Note: LED change does not show on device until the device is read/polled */
+}
+
+static void steelseries_srws1_led_all_set_brightness(struct led_classdev *led_cdev,
+			enum led_brightness value)
+{
+	struct device *dev = led_cdev->dev->parent;
+	struct hid_device *hid = container_of(dev, struct hid_device, dev);
+	struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
+
+	if (!drv_data) {
+		hid_err(hid, "Device data not found.");
+		return;
+	}
+
+	if (value == LED_OFF)
+		drv_data->led_state = 0;
+	else
+		drv_data->led_state = (1 << (SRWS1_NUMBER_LEDS + 1)) - 1;
+
+	steelseries_srws1_set_leds(hid, drv_data->led_state);
+}
+
+static enum led_brightness steelseries_srws1_led_all_get_brightness(struct led_classdev *led_cdev)
+{
+	struct device *dev = led_cdev->dev->parent;
+	struct hid_device *hid = container_of(dev, struct hid_device, dev);
+	struct steelseries_srws1_data *drv_data;
+
+	drv_data = hid_get_drvdata(hid);
+
+	if (!drv_data) {
+		hid_err(hid, "Device data not found.");
+		return LED_OFF;
+	}
+
+	return (drv_data->led_state >> SRWS1_NUMBER_LEDS) ? LED_FULL : LED_OFF;
+}
+
+static void steelseries_srws1_led_set_brightness(struct led_classdev *led_cdev,
+			enum led_brightness value)
+{
+	struct device *dev = led_cdev->dev->parent;
+	struct hid_device *hid = container_of(dev, struct hid_device, dev);
+	struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
+	int i, state = 0;
+
+	if (!drv_data) {
+		hid_err(hid, "Device data not found.");
+		return;
+	}
+
+	for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
+		if (led_cdev != drv_data->led[i])
+			continue;
+
+		state = (drv_data->led_state >> i) & 1;
+		if (value == LED_OFF && state) {
+			drv_data->led_state &= ~(1 << i);
+			steelseries_srws1_set_leds(hid, drv_data->led_state);
+		} else if (value != LED_OFF && !state) {
+			drv_data->led_state |= 1 << i;
+			steelseries_srws1_set_leds(hid, drv_data->led_state);
+		}
+		break;
+	}
+}
+
+static enum led_brightness steelseries_srws1_led_get_brightness(struct led_classdev *led_cdev)
+{
+	struct device *dev = led_cdev->dev->parent;
+	struct hid_device *hid = container_of(dev, struct hid_device, dev);
+	struct steelseries_srws1_data *drv_data;
+	int i, value = 0;
+
+	drv_data = hid_get_drvdata(hid);
+
+	if (!drv_data) {
+		hid_err(hid, "Device data not found.");
+		return LED_OFF;
+	}
+
+	for (i = 0; i < SRWS1_NUMBER_LEDS; i++)
+		if (led_cdev == drv_data->led[i]) {
+			value = (drv_data->led_state >> i) & 1;
+			break;
+		}
+
+	return value ? LED_FULL : LED_OFF;
+}
+
+static int steelseries_srws1_probe(struct hid_device *hdev,
+		const struct hid_device_id *id)
+{
+	int ret, i;
+	struct led_classdev *led;
+	size_t name_sz;
+	char *name;
+
+	struct steelseries_srws1_data *drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
+
+	if (drv_data == NULL) {
+		hid_err(hdev, "can't alloc SRW-S1 memory\n");
+		return -ENOMEM;
+	}
+
+	hid_set_drvdata(hdev, drv_data);
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "parse failed\n");
+		goto err_free;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (ret) {
+		hid_err(hdev, "hw start failed\n");
+		goto err_free;
+	}
+
+	/* register led subsystem */
+	drv_data->led_state = 0;
+	for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++)
+		drv_data->led[i] = NULL;
+
+	steelseries_srws1_set_leds(hdev, 0);
+
+	name_sz = strlen(hdev->uniq) + 16;
+
+	/* 'ALL', for setting all LEDs simultaneously */
+	led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
+	if (!led) {
+		hid_err(hdev, "can't allocate memory for LED ALL\n");
+		goto err_led;
+	}
+
+	name = (void *)(&led[1]);
+	snprintf(name, name_sz, "SRWS1::%s::RPMALL", hdev->uniq);
+	led->name = name;
+	led->brightness = 0;
+	led->max_brightness = 1;
+	led->brightness_get = steelseries_srws1_led_all_get_brightness;
+	led->brightness_set = steelseries_srws1_led_all_set_brightness;
+
+	drv_data->led[SRWS1_NUMBER_LEDS] = led;
+	ret = led_classdev_register(&hdev->dev, led);
+	if (ret)
+		goto err_led;
+
+	/* Each individual LED */
+	for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
+		led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
+		if (!led) {
+			hid_err(hdev, "can't allocate memory for LED %d\n", i);
+			goto err_led;
+		}
+
+		name = (void *)(&led[1]);
+		snprintf(name, name_sz, "SRWS1::%s::RPM%d", hdev->uniq, i+1);
+		led->name = name;
+		led->brightness = 0;
+		led->max_brightness = 1;
+		led->brightness_get = steelseries_srws1_led_get_brightness;
+		led->brightness_set = steelseries_srws1_led_set_brightness;
+
+		drv_data->led[i] = led;
+		ret = led_classdev_register(&hdev->dev, led);
+
+		if (ret) {
+			hid_err(hdev, "failed to register LED %d. Aborting.\n", i);
+err_led:
+			/* Deregister all LEDs (if any) */
+			for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
+				led = drv_data->led[i];
+				drv_data->led[i] = NULL;
+				if (!led)
+					continue;
+				led_classdev_unregister(led);
+				kfree(led);
+			}
+			goto out;	/* but let the driver continue without LEDs */
+		}
+	}
+out:
+	return 0;
+err_free:
+	kfree(drv_data);
+	return ret;
+}
+
+static void steelseries_srws1_remove(struct hid_device *hdev)
+{
+	int i;
+	struct led_classdev *led;
+
+	struct steelseries_srws1_data *drv_data = hid_get_drvdata(hdev);
+
+	if (drv_data) {
+		/* Deregister LEDs (if any) */
+		for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
+			led = drv_data->led[i];
+			drv_data->led[i] = NULL;
+			if (!led)
+				continue;
+			led_classdev_unregister(led);
+			kfree(led);
+		}
+
+	}
+
+	hid_hw_stop(hdev);
+	kfree(drv_data);
+	return;
+}
+#endif
+
+static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+		unsigned int *rsize)
+{
+	if (*rsize >= 115 && rdesc[11] == 0x02 && rdesc[13] == 0xc8
+			&& rdesc[29] == 0xbb && rdesc[40] == 0xc5) {
+		hid_info(hdev, "Fixing up Steelseries SRW-S1 report descriptor\n");
+		rdesc = steelseries_srws1_rdesc_fixed;
+		*rsize = sizeof(steelseries_srws1_rdesc_fixed);
+	}
+	return rdesc;
+}
+
+static const struct hid_device_id steelseries_srws1_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices);
+
+static struct hid_driver steelseries_srws1_driver = {
+	.name = "steelseries_srws1",
+	.id_table = steelseries_srws1_devices,
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+	.probe = steelseries_srws1_probe,
+	.remove = steelseries_srws1_remove,
+#endif
+	.report_fixup = steelseries_srws1_report_fixup
+};
+
+static int __init steelseries_srws1_init(void)
+{
+	return hid_register_driver(&steelseries_srws1_driver);
+}
+
+static void __exit steelseries_srws1_exit(void)
+{
+	hid_unregister_driver(&steelseries_srws1_driver);
+}
+
+module_init(steelseries_srws1_init);
+module_exit(steelseries_srws1_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-sunplus.c b/drivers/hid/hid-sunplus.c
index 45b4b066a262..87fc91e1c8de 100644
--- a/drivers/hid/hid-sunplus.c
+++ b/drivers/hid/hid-sunplus.c
@@ -63,17 +63,6 @@ static struct hid_driver sp_driver = {
 	.report_fixup = sp_report_fixup,
 	.input_mapping = sp_input_mapping,
 };
+module_hid_driver(sp_driver);
 
-static int __init sp_init(void)
-{
-	return hid_register_driver(&sp_driver);
-}
-
-static void __exit sp_exit(void)
-{
-	hid_unregister_driver(&sp_driver);
-}
-
-module_init(sp_init);
-module_exit(sp_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c
new file mode 100644
index 000000000000..2055a52e9a20
--- /dev/null
+++ b/drivers/hid/hid-thingm.c
@@ -0,0 +1,272 @@
+/*
+ * ThingM blink(1) USB RGB LED driver
+ *
+ * Copyright 2013 Savoir-faire Linux Inc.
+ *	Vivien Didelot <vivien.didelot@savoirfairelinux.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, version 2.
+ */
+
+#include <linux/hid.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "hid-ids.h"
+
+#define BLINK1_CMD_SIZE		9
+
+#define blink1_rgb_to_r(rgb)	((rgb & 0xFF0000) >> 16)
+#define blink1_rgb_to_g(rgb)	((rgb & 0x00FF00) >> 8)
+#define blink1_rgb_to_b(rgb)	((rgb & 0x0000FF) >> 0)
+
+/**
+ * struct blink1_data - blink(1) device specific data
+ * @hdev:		HID device.
+ * @led_cdev:		LED class instance.
+ * @rgb:		8-bit per channel RGB notation.
+ * @fade:		fade time in hundredths of a second.
+ * @brightness:		brightness coefficient.
+ * @play:		play/pause in-memory patterns.
+ */
+struct blink1_data {
+	struct hid_device *hdev;
+	struct led_classdev led_cdev;
+	u32 rgb;
+	u16 fade;
+	u8 brightness;
+	bool play;
+};
+
+static int blink1_send_command(struct blink1_data *data,
+		u8 buf[BLINK1_CMD_SIZE])
+{
+	int ret;
+
+	hid_dbg(data->hdev, "command: %d%c%.2x%.2x%.2x%.2x%.2x%.2x%.2x\n",
+			buf[0], buf[1], buf[2], buf[3], buf[4],
+			buf[5], buf[6], buf[7], buf[8]);
+
+	ret = data->hdev->hid_output_raw_report(data->hdev, buf,
+			BLINK1_CMD_SIZE, HID_FEATURE_REPORT);
+
+	return ret < 0 ? ret : 0;
+}
+
+static int blink1_update_color(struct blink1_data *data)
+{
+	u8 buf[BLINK1_CMD_SIZE] = { 1, 'n', 0, 0, 0, 0, 0, 0, 0 };
+
+	if (data->brightness) {
+		unsigned int coef = DIV_ROUND_CLOSEST(255, data->brightness);
+
+		buf[2] = DIV_ROUND_CLOSEST(blink1_rgb_to_r(data->rgb), coef);
+		buf[3] = DIV_ROUND_CLOSEST(blink1_rgb_to_g(data->rgb), coef);
+		buf[4] = DIV_ROUND_CLOSEST(blink1_rgb_to_b(data->rgb), coef);
+	}
+
+	if (data->fade) {
+		buf[1] = 'c';
+		buf[5] = (data->fade & 0xFF00) >> 8;
+		buf[6] = (data->fade & 0x00FF);
+	}
+
+	return blink1_send_command(data, buf);
+}
+
+static void blink1_led_set(struct led_classdev *led_cdev,
+		enum led_brightness brightness)
+{
+	struct blink1_data *data = dev_get_drvdata(led_cdev->dev->parent);
+
+	data->brightness = brightness;
+	if (blink1_update_color(data))
+		hid_err(data->hdev, "failed to update color\n");
+}
+
+static enum led_brightness blink1_led_get(struct led_classdev *led_cdev)
+{
+	struct blink1_data *data = dev_get_drvdata(led_cdev->dev->parent);
+
+	return data->brightness;
+}
+
+static ssize_t blink1_show_rgb(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct blink1_data *data = dev_get_drvdata(dev->parent);
+
+	return sprintf(buf, "%.6X\n", data->rgb);
+}
+
+static ssize_t blink1_store_rgb(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct blink1_data *data = dev_get_drvdata(dev->parent);
+	long unsigned int rgb;
+	int ret;
+
+	ret = kstrtoul(buf, 16, &rgb);
+	if (ret)
+		return ret;
+
+	/* RGB triplet notation is 24-bit hexadecimal */
+	if (rgb > 0xFFFFFF)
+		return -EINVAL;
+
+	data->rgb = rgb;
+	ret = blink1_update_color(data);
+
+	return ret ? ret : count;
+}
+
+static DEVICE_ATTR(rgb, S_IRUGO | S_IWUSR, blink1_show_rgb, blink1_store_rgb);
+
+static ssize_t blink1_show_fade(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct blink1_data *data = dev_get_drvdata(dev->parent);
+
+	return sprintf(buf, "%d\n", data->fade * 10);
+}
+
+static ssize_t blink1_store_fade(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct blink1_data *data = dev_get_drvdata(dev->parent);
+	long unsigned int fade;
+	int ret;
+
+	ret = kstrtoul(buf, 10, &fade);
+	if (ret)
+		return ret;
+
+	/* blink(1) accepts 16-bit fade time, number of 10ms ticks */
+	fade = DIV_ROUND_CLOSEST(fade, 10);
+	if (fade > 65535)
+		return -EINVAL;
+
+	data->fade = fade;
+
+	return count;
+}
+
+static DEVICE_ATTR(fade, S_IRUGO | S_IWUSR,
+		blink1_show_fade, blink1_store_fade);
+
+static ssize_t blink1_show_play(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct blink1_data *data = dev_get_drvdata(dev->parent);
+
+	return sprintf(buf, "%d\n", data->play);
+}
+
+static ssize_t blink1_store_play(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct blink1_data *data = dev_get_drvdata(dev->parent);
+	u8 cmd[BLINK1_CMD_SIZE] = { 1, 'p', 0, 0, 0, 0, 0, 0, 0 };
+	long unsigned int play;
+	int ret;
+
+	ret = kstrtoul(buf, 10, &play);
+	if (ret)
+		return ret;
+
+	data->play = !!play;
+	cmd[2] = data->play;
+	ret = blink1_send_command(data, cmd);
+
+	return ret ? ret : count;
+}
+
+static DEVICE_ATTR(play, S_IRUGO | S_IWUSR,
+		blink1_show_play, blink1_store_play);
+
+static const struct attribute_group blink1_sysfs_group = {
+	.attrs = (struct attribute *[]) {
+		&dev_attr_rgb.attr,
+		&dev_attr_fade.attr,
+		&dev_attr_play.attr,
+		NULL
+	},
+};
+
+static int thingm_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	struct blink1_data *data;
+	struct led_classdev *led;
+	char led_name[13];
+	int ret;
+
+	data = devm_kzalloc(&hdev->dev, sizeof(struct blink1_data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	hid_set_drvdata(hdev, data);
+	data->hdev = hdev;
+	data->rgb = 0xFFFFFF; /* set a default white color */
+
+	ret = hid_parse(hdev);
+	if (ret)
+		goto error;
+
+	ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
+	if (ret)
+		goto error;
+
+	/* blink(1) serial numbers range is 0x1A001000 to 0x1A002FFF */
+	led = &data->led_cdev;
+	snprintf(led_name, sizeof(led_name), "blink1::%s", hdev->uniq + 4);
+	led->name = led_name;
+	led->brightness_set = blink1_led_set;
+	led->brightness_get = blink1_led_get;
+	ret = led_classdev_register(&hdev->dev, led);
+	if (ret)
+		goto stop;
+
+	ret = sysfs_create_group(&led->dev->kobj, &blink1_sysfs_group);
+	if (ret)
+		goto remove_led;
+
+	return 0;
+
+remove_led:
+	led_classdev_unregister(led);
+stop:
+	hid_hw_stop(hdev);
+error:
+	return ret;
+}
+
+static void thingm_remove(struct hid_device *hdev)
+{
+	struct blink1_data *data = hid_get_drvdata(hdev);
+	struct led_classdev *led = &data->led_cdev;
+
+	sysfs_remove_group(&led->dev->kobj, &blink1_sysfs_group);
+	led_classdev_unregister(led);
+	hid_hw_stop(hdev);
+}
+
+static const struct hid_device_id thingm_table[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, thingm_table);
+
+static struct hid_driver thingm_driver = {
+	.name = "thingm",
+	.probe = thingm_probe,
+	.remove = thingm_remove,
+	.id_table = thingm_table,
+};
+
+module_hid_driver(thingm_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Vivien Didelot <vivien.didelot@savoirfairelinux.com>");
+MODULE_DESCRIPTION("ThingM blink(1) USB RGB LED driver");
diff --git a/drivers/hid/hid-tivo.c b/drivers/hid/hid-tivo.c
index 9f85f827607f..d790d8d71f7f 100644
--- a/drivers/hid/hid-tivo.c
+++ b/drivers/hid/hid-tivo.c
@@ -73,18 +73,7 @@ static struct hid_driver tivo_driver = {
 	.id_table = tivo_devices,
 	.input_mapping = tivo_input_mapping,
 };
+module_hid_driver(tivo_driver);
 
-static int __init tivo_init(void)
-{
-	return hid_register_driver(&tivo_driver);
-}
-
-static void __exit tivo_exit(void)
-{
-	hid_unregister_driver(&tivo_driver);
-}
-
-module_init(tivo_init);
-module_exit(tivo_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");
diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c
index 83a933b9c2e9..e4fcf3f702a5 100644
--- a/drivers/hid/hid-tmff.c
+++ b/drivers/hid/hid-tmff.c
@@ -261,17 +261,6 @@ static struct hid_driver tm_driver = {
 	.id_table = tm_devices,
 	.probe = tm_probe,
 };
+module_hid_driver(tm_driver);
 
-static int __init tm_init(void)
-{
-	return hid_register_driver(&tm_driver);
-}
-
-static void __exit tm_exit(void)
-{
-	hid_unregister_driver(&tm_driver);
-}
-
-module_init(tm_init);
-module_exit(tm_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-topseed.c b/drivers/hid/hid-topseed.c
index 613ff7b1d746..8a5b843e9dd6 100644
--- a/drivers/hid/hid-topseed.c
+++ b/drivers/hid/hid-topseed.c
@@ -76,17 +76,6 @@ static struct hid_driver ts_driver = {
 	.id_table = ts_devices,
 	.input_mapping = ts_input_mapping,
 };
+module_hid_driver(ts_driver);
 
-static int __init ts_init(void)
-{
-	return hid_register_driver(&ts_driver);
-}
-
-static void __exit ts_exit(void)
-{
-	hid_unregister_driver(&ts_driver);
-}
-
-module_init(ts_init);
-module_exit(ts_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-twinhan.c b/drivers/hid/hid-twinhan.c
index f23456b1fd4b..c08c36443f83 100644
--- a/drivers/hid/hid-twinhan.c
+++ b/drivers/hid/hid-twinhan.c
@@ -131,17 +131,6 @@ static struct hid_driver twinhan_driver = {
 	.id_table = twinhan_devices,
 	.input_mapping = twinhan_input_mapping,
 };
+module_hid_driver(twinhan_driver);
 
-static int __init twinhan_init(void)
-{
-	return hid_register_driver(&twinhan_driver);
-}
-
-static void __exit twinhan_exit(void)
-{
-	hid_unregister_driver(&twinhan_driver);
-}
-
-module_init(twinhan_init);
-module_exit(twinhan_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c
index 2e56a1fd2375..fb8b516ff0ed 100644
--- a/drivers/hid/hid-uclogic.c
+++ b/drivers/hid/hid-uclogic.c
@@ -650,17 +650,6 @@ static struct hid_driver uclogic_driver = {
 	.id_table = uclogic_devices,
 	.report_fixup = uclogic_report_fixup,
 };
+module_hid_driver(uclogic_driver);
 
-static int __init uclogic_init(void)
-{
-	return hid_register_driver(&uclogic_driver);
-}
-
-static void __exit uclogic_exit(void)
-{
-	hid_unregister_driver(&uclogic_driver);
-}
-
-module_init(uclogic_init);
-module_exit(uclogic_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 2f60da9ed066..a4a8bb0da688 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -953,23 +953,7 @@ static struct hid_driver wacom_driver = {
 	.raw_event = wacom_raw_event,
 	.input_mapped = wacom_input_mapped,
 };
+module_hid_driver(wacom_driver);
 
-static int __init wacom_init(void)
-{
-	int ret;
-
-	ret = hid_register_driver(&wacom_driver);
-	if (ret)
-		pr_err("can't register wacom driver\n");
-	return ret;
-}
-
-static void __exit wacom_exit(void)
-{
-	hid_unregister_driver(&wacom_driver);
-}
-
-module_init(wacom_init);
-module_exit(wacom_exit);
 MODULE_DESCRIPTION("Driver for Wacom Graphire Bluetooth and Wacom Intuos4 WL");
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-waltop.c b/drivers/hid/hid-waltop.c
index bb536ab5941e..059931d7b392 100644
--- a/drivers/hid/hid-waltop.c
+++ b/drivers/hid/hid-waltop.c
@@ -779,17 +779,6 @@ static struct hid_driver waltop_driver = {
 	.report_fixup = waltop_report_fixup,
 	.raw_event = waltop_raw_event,
 };
+module_hid_driver(waltop_driver);
 
-static int __init waltop_init(void)
-{
-	return hid_register_driver(&waltop_driver);
-}
-
-static void __exit waltop_exit(void)
-{
-	hid_unregister_driver(&waltop_driver);
-}
-
-module_init(waltop_init);
-module_exit(waltop_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index 84e2fbec5fbb..0fb8ab93db68 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -1294,25 +1294,8 @@ static struct hid_driver wiimote_hid_driver = {
 	.remove = wiimote_hid_remove,
 	.raw_event = wiimote_hid_event,
 };
+module_hid_driver(wiimote_hid_driver);
 
-static int __init wiimote_init(void)
-{
-	int ret;
-
-	ret = hid_register_driver(&wiimote_hid_driver);
-	if (ret)
-		pr_err("Can't register wiimote hid driver\n");
-
-	return ret;
-}
-
-static void __exit wiimote_exit(void)
-{
-	hid_unregister_driver(&wiimote_hid_driver);
-}
-
-module_init(wiimote_init);
-module_exit(wiimote_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>");
 MODULE_DESCRIPTION(WIIMOTE_NAME " Device Driver");
diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c
index eec329197c16..90124ffaa2a5 100644
--- a/drivers/hid/hid-wiimote-debug.c
+++ b/drivers/hid/hid-wiimote-debug.c
@@ -31,7 +31,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s,
 	unsigned long flags;
 	ssize_t ret;
 	char buf[16];
-	__u16 size;
+	__u16 size = 0;
 
 	if (s == 0)
 		return -EINVAL;
diff --git a/drivers/hid/hid-wiimote-ext.c b/drivers/hid/hid-wiimote-ext.c
index 38ae87772e96..0472191d4a72 100644
--- a/drivers/hid/hid-wiimote-ext.c
+++ b/drivers/hid/hid-wiimote-ext.c
@@ -403,14 +403,14 @@ static void handler_nunchuck(struct wiimote_ext *ext, const __u8 *payload)
 
 	if (ext->motionp) {
 		input_report_key(ext->input,
-			wiiext_keymap[WIIEXT_KEY_Z], !!(payload[5] & 0x04));
+			wiiext_keymap[WIIEXT_KEY_Z], !(payload[5] & 0x04));
 		input_report_key(ext->input,
-			wiiext_keymap[WIIEXT_KEY_C], !!(payload[5] & 0x08));
+			wiiext_keymap[WIIEXT_KEY_C], !(payload[5] & 0x08));
 	} else {
 		input_report_key(ext->input,
-			wiiext_keymap[WIIEXT_KEY_Z], !!(payload[5] & 0x01));
+			wiiext_keymap[WIIEXT_KEY_Z], !(payload[5] & 0x01));
 		input_report_key(ext->input,
-			wiiext_keymap[WIIEXT_KEY_C], !!(payload[5] & 0x02));
+			wiiext_keymap[WIIEXT_KEY_C], !(payload[5] & 0x02));
 	}
 
 	input_sync(ext->input);
diff --git a/drivers/hid/hid-zpff.c b/drivers/hid/hid-zpff.c
index f6ba81df71bd..af66452592e9 100644
--- a/drivers/hid/hid-zpff.c
+++ b/drivers/hid/hid-zpff.c
@@ -152,17 +152,6 @@ static struct hid_driver zp_driver = {
 	.id_table = zp_devices,
 	.probe = zp_probe,
 };
+module_hid_driver(zp_driver);
 
-static int __init zp_init(void)
-{
-	return hid_register_driver(&zp_driver);
-}
-
-static void __exit zp_exit(void)
-{
-	hid_unregister_driver(&zp_driver);
-}
-
-module_init(zp_init);
-module_exit(zp_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-zydacron.c b/drivers/hid/hid-zydacron.c
index 1ad85f2257b4..e4cddeccd6b5 100644
--- a/drivers/hid/hid-zydacron.c
+++ b/drivers/hid/hid-zydacron.c
@@ -219,17 +219,6 @@ static struct hid_driver zc_driver = {
 	.probe = zc_probe,
 	.remove = zc_remove,
 };
+module_hid_driver(zc_driver);
 
-static int __init zc_init(void)
-{
-	return hid_register_driver(&zc_driver);
-}
-
-static void __exit zc_exit(void)
-{
-	hid_unregister_driver(&zc_driver);
-}
-
-module_init(zc_init);
-module_exit(zc_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 17d15bb610d1..a7451632ceb4 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -42,7 +42,6 @@ static struct cdev hidraw_cdev;
 static struct class *hidraw_class;
 static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES];
 static DEFINE_MUTEX(minors_lock);
-static void drop_ref(struct hidraw *hid, int exists_bit);
 
 static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
 {
@@ -58,10 +57,6 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count,
 			set_current_state(TASK_INTERRUPTIBLE);
 
 			while (list->head == list->tail) {
-				if (file->f_flags & O_NONBLOCK) {
-					ret = -EAGAIN;
-					break;
-				}
 				if (signal_pending(current)) {
 					ret = -ERESTARTSYS;
 					break;
@@ -70,6 +65,10 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count,
 					ret = -EIO;
 					break;
 				}
+				if (file->f_flags & O_NONBLOCK) {
+					ret = -EAGAIN;
+					break;
+				}
 
 				/* allow O_NONBLOCK to work well from other threads */
 				mutex_unlock(&list->read_mutex);
@@ -109,12 +108,12 @@ out:
  * This function is to be called with the minors_lock mutex held */
 static ssize_t hidraw_send_report(struct file *file, const char __user *buffer, size_t count, unsigned char report_type)
 {
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	struct hid_device *dev;
 	__u8 *buf;
 	int ret = 0;
 
-	if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
+	if (!hidraw_table[minor]) {
 		ret = -ENODEV;
 		goto out;
 	}
@@ -177,7 +176,7 @@ static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t
  *  mutex held. */
 static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t count, unsigned char report_type)
 {
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	struct hid_device *dev;
 	__u8 *buf;
 	int ret = 0, len;
@@ -262,7 +261,7 @@ static int hidraw_open(struct inode *inode, struct file *file)
 	}
 
 	mutex_lock(&minors_lock);
-	if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
+	if (!hidraw_table[minor]) {
 		err = -ENODEV;
 		goto out_unlock;
 	}
@@ -296,21 +295,52 @@ out:
 
 }
 
+static int hidraw_fasync(int fd, struct file *file, int on)
+{
+	struct hidraw_list *list = file->private_data;
+
+	return fasync_helper(fd, file, on, &list->fasync);
+}
+
 static int hidraw_release(struct inode * inode, struct file * file)
 {
 	unsigned int minor = iminor(inode);
+	struct hidraw *dev;
 	struct hidraw_list *list = file->private_data;
+	int ret;
+	int i;
+
+	mutex_lock(&minors_lock);
+	if (!hidraw_table[minor]) {
+		ret = -ENODEV;
+		goto unlock;
+	}
 
-	drop_ref(hidraw_table[minor], 0);
 	list_del(&list->node);
+	dev = hidraw_table[minor];
+	if (!--dev->open) {
+		if (list->hidraw->exist) {
+			hid_hw_power(dev->hid, PM_HINT_NORMAL);
+			hid_hw_close(dev->hid);
+		} else {
+			kfree(list->hidraw);
+		}
+	}
+
+	for (i = 0; i < HIDRAW_BUFFER_SIZE; ++i)
+		kfree(list->buffer[i].value);
 	kfree(list);
-	return 0;
+	ret = 0;
+unlock:
+	mutex_unlock(&minors_lock);
+
+	return ret;
 }
 
 static long hidraw_ioctl(struct file *file, unsigned int cmd,
 							unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	unsigned int minor = iminor(inode);
 	long ret = 0;
 	struct hidraw *dev;
@@ -415,6 +445,7 @@ static const struct file_operations hidraw_ops = {
 	.open =         hidraw_open,
 	.release =      hidraw_release,
 	.unlocked_ioctl = hidraw_ioctl,
+	.fasync =	hidraw_fasync,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl   = hidraw_ioctl,
 #endif
@@ -506,7 +537,21 @@ EXPORT_SYMBOL_GPL(hidraw_connect);
 void hidraw_disconnect(struct hid_device *hid)
 {
 	struct hidraw *hidraw = hid->hidraw;
-	drop_ref(hidraw, 1);
+
+	mutex_lock(&minors_lock);
+	hidraw->exist = 0;
+
+	device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
+
+	hidraw_table[hidraw->minor] = NULL;
+
+	if (hidraw->open) {
+		hid_hw_close(hid);
+		wake_up_interruptible(&hidraw->wait);
+	} else {
+		kfree(hidraw);
+	}
+	mutex_unlock(&minors_lock);
 }
 EXPORT_SYMBOL_GPL(hidraw_disconnect);
 
@@ -536,6 +581,7 @@ int __init hidraw_init(void)
 	if (result < 0)
 		goto error_class;
 
+	printk(KERN_INFO "hidraw: raw HID events driver (C) Jiri Kosina\n");
 out:
 	return result;
 
@@ -555,23 +601,3 @@ void hidraw_exit(void)
 	unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES);
 
 }
-
-static void drop_ref(struct hidraw *hidraw, int exists_bit)
-{
-	mutex_lock(&minors_lock);
-	if (exists_bit) {
-		hid_hw_close(hidraw->hid);
-		hidraw->exist = 0;
-		if (hidraw->open)
-			wake_up_interruptible(&hidraw->wait);
-	} else {
-		--hidraw->open;
-	}
-
-	if (!hidraw->open && !hidraw->exist) {
-		device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
-		hidraw_table[hidraw->minor] = NULL;
-		kfree(hidraw);
-	}
-	mutex_unlock(&minors_lock);
-}
diff --git a/drivers/hid/i2c-hid/Kconfig b/drivers/hid/i2c-hid/Kconfig
new file mode 100644
index 000000000000..b66617a020bd
--- /dev/null
+++ b/drivers/hid/i2c-hid/Kconfig
@@ -0,0 +1,18 @@
+menu "I2C HID support"
+	depends on I2C
+
+config I2C_HID
+	tristate "HID over I2C transport layer"
+	default n
+	depends on I2C && INPUT
+	select HID
+	---help---
+	  Say Y here if you use a keyboard, a touchpad, a touchscreen, or any
+	  other HID based devices which is connected to your computer via I2C.
+
+	  If unsure, say N.
+
+	  This support is also available as a module.  If so, the module
+	  will be called i2c-hid.
+
+endmenu
diff --git a/drivers/hid/i2c-hid/Makefile b/drivers/hid/i2c-hid/Makefile
new file mode 100644
index 000000000000..832d8f9aaba2
--- /dev/null
+++ b/drivers/hid/i2c-hid/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the I2C input drivers
+#
+
+obj-$(CONFIG_I2C_HID)				+= i2c-hid.o
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
new file mode 100644
index 000000000000..ec7930217a6d
--- /dev/null
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -0,0 +1,1065 @@
+/*
+ * HID over I2C protocol implementation
+ *
+ * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com>
+ * Copyright (c) 2012 Ecole Nationale de l'Aviation Civile, France
+ * Copyright (c) 2012 Red Hat, Inc
+ *
+ * This code is partly based on "USB HID support for Linux":
+ *
+ *  Copyright (c) 1999 Andreas Gal
+ *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ *  Copyright (c) 2007-2008 Oliver Neukum
+ *  Copyright (c) 2006-2010 Jiri Kosina
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/pm.h>
+#include <linux/device.h>
+#include <linux/wait.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/list.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/hid.h>
+#include <linux/mutex.h>
+#include <linux/acpi.h>
+
+#include <linux/i2c/i2c-hid.h>
+
+/* flags */
+#define I2C_HID_STARTED		(1 << 0)
+#define I2C_HID_RESET_PENDING	(1 << 1)
+#define I2C_HID_READ_PENDING	(1 << 2)
+
+#define I2C_HID_PWR_ON		0x00
+#define I2C_HID_PWR_SLEEP	0x01
+
+/* debug option */
+static bool debug;
+module_param(debug, bool, 0444);
+MODULE_PARM_DESC(debug, "print a lot of debug information");
+
+#define i2c_hid_dbg(ihid, fmt, arg...)					  \
+do {									  \
+	if (debug)							  \
+		dev_printk(KERN_DEBUG, &(ihid)->client->dev, fmt, ##arg); \
+} while (0)
+
+struct i2c_hid_desc {
+	__le16 wHIDDescLength;
+	__le16 bcdVersion;
+	__le16 wReportDescLength;
+	__le16 wReportDescRegister;
+	__le16 wInputRegister;
+	__le16 wMaxInputLength;
+	__le16 wOutputRegister;
+	__le16 wMaxOutputLength;
+	__le16 wCommandRegister;
+	__le16 wDataRegister;
+	__le16 wVendorID;
+	__le16 wProductID;
+	__le16 wVersionID;
+	__le32 reserved;
+} __packed;
+
+struct i2c_hid_cmd {
+	unsigned int registerIndex;
+	__u8 opcode;
+	unsigned int length;
+	bool wait;
+};
+
+union command {
+	u8 data[0];
+	struct cmd {
+		__le16 reg;
+		__u8 reportTypeID;
+		__u8 opcode;
+	} __packed c;
+};
+
+#define I2C_HID_CMD(opcode_) \
+	.opcode = opcode_, .length = 4, \
+	.registerIndex = offsetof(struct i2c_hid_desc, wCommandRegister)
+
+/* fetch HID descriptor */
+static const struct i2c_hid_cmd hid_descr_cmd = { .length = 2 };
+/* fetch report descriptors */
+static const struct i2c_hid_cmd hid_report_descr_cmd = {
+		.registerIndex = offsetof(struct i2c_hid_desc,
+			wReportDescRegister),
+		.opcode = 0x00,
+		.length = 2 };
+/* commands */
+static const struct i2c_hid_cmd hid_reset_cmd =		{ I2C_HID_CMD(0x01),
+							  .wait = true };
+static const struct i2c_hid_cmd hid_get_report_cmd =	{ I2C_HID_CMD(0x02) };
+static const struct i2c_hid_cmd hid_set_report_cmd =	{ I2C_HID_CMD(0x03) };
+static const struct i2c_hid_cmd hid_set_power_cmd =	{ I2C_HID_CMD(0x08) };
+
+/*
+ * These definitions are not used here, but are defined by the spec.
+ * Keeping them here for documentation purposes.
+ *
+ * static const struct i2c_hid_cmd hid_get_idle_cmd = { I2C_HID_CMD(0x04) };
+ * static const struct i2c_hid_cmd hid_set_idle_cmd = { I2C_HID_CMD(0x05) };
+ * static const struct i2c_hid_cmd hid_get_protocol_cmd = { I2C_HID_CMD(0x06) };
+ * static const struct i2c_hid_cmd hid_set_protocol_cmd = { I2C_HID_CMD(0x07) };
+ */
+
+static DEFINE_MUTEX(i2c_hid_open_mut);
+
+/* The main device structure */
+struct i2c_hid {
+	struct i2c_client	*client;	/* i2c client */
+	struct hid_device	*hid;	/* pointer to corresponding HID dev */
+	union {
+		__u8 hdesc_buffer[sizeof(struct i2c_hid_desc)];
+		struct i2c_hid_desc hdesc;	/* the HID Descriptor */
+	};
+	__le16			wHIDDescRegister; /* location of the i2c
+						   * register of the HID
+						   * descriptor. */
+	unsigned int		bufsize;	/* i2c buffer size */
+	char			*inbuf;		/* Input buffer */
+	char			*cmdbuf;	/* Command buffer */
+	char			*argsbuf;	/* Command arguments buffer */
+
+	unsigned long		flags;		/* device flags */
+
+	wait_queue_head_t	wait;		/* For waiting the interrupt */
+
+	struct i2c_hid_platform_data pdata;
+};
+
+static int __i2c_hid_command(struct i2c_client *client,
+		const struct i2c_hid_cmd *command, u8 reportID,
+		u8 reportType, u8 *args, int args_len,
+		unsigned char *buf_recv, int data_len)
+{
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	union command *cmd = (union command *)ihid->cmdbuf;
+	int ret;
+	struct i2c_msg msg[2];
+	int msg_num = 1;
+
+	int length = command->length;
+	bool wait = command->wait;
+	unsigned int registerIndex = command->registerIndex;
+
+	/* special case for hid_descr_cmd */
+	if (command == &hid_descr_cmd) {
+		cmd->c.reg = ihid->wHIDDescRegister;
+	} else {
+		cmd->data[0] = ihid->hdesc_buffer[registerIndex];
+		cmd->data[1] = ihid->hdesc_buffer[registerIndex + 1];
+	}
+
+	if (length > 2) {
+		cmd->c.opcode = command->opcode;
+		cmd->c.reportTypeID = reportID | reportType << 4;
+	}
+
+	memcpy(cmd->data + length, args, args_len);
+	length += args_len;
+
+	i2c_hid_dbg(ihid, "%s: cmd=%*ph\n", __func__, length, cmd->data);
+
+	msg[0].addr = client->addr;
+	msg[0].flags = client->flags & I2C_M_TEN;
+	msg[0].len = length;
+	msg[0].buf = cmd->data;
+	if (data_len > 0) {
+		msg[1].addr = client->addr;
+		msg[1].flags = client->flags & I2C_M_TEN;
+		msg[1].flags |= I2C_M_RD;
+		msg[1].len = data_len;
+		msg[1].buf = buf_recv;
+		msg_num = 2;
+		set_bit(I2C_HID_READ_PENDING, &ihid->flags);
+	}
+
+	if (wait)
+		set_bit(I2C_HID_RESET_PENDING, &ihid->flags);
+
+	ret = i2c_transfer(client->adapter, msg, msg_num);
+
+	if (data_len > 0)
+		clear_bit(I2C_HID_READ_PENDING, &ihid->flags);
+
+	if (ret != msg_num)
+		return ret < 0 ? ret : -EIO;
+
+	ret = 0;
+
+	if (wait) {
+		i2c_hid_dbg(ihid, "%s: waiting...\n", __func__);
+		if (!wait_event_timeout(ihid->wait,
+				!test_bit(I2C_HID_RESET_PENDING, &ihid->flags),
+				msecs_to_jiffies(5000)))
+			ret = -ENODATA;
+		i2c_hid_dbg(ihid, "%s: finished.\n", __func__);
+	}
+
+	return ret;
+}
+
+static int i2c_hid_command(struct i2c_client *client,
+		const struct i2c_hid_cmd *command,
+		unsigned char *buf_recv, int data_len)
+{
+	return __i2c_hid_command(client, command, 0, 0, NULL, 0,
+				buf_recv, data_len);
+}
+
+static int i2c_hid_get_report(struct i2c_client *client, u8 reportType,
+		u8 reportID, unsigned char *buf_recv, int data_len)
+{
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	u8 args[3];
+	int ret;
+	int args_len = 0;
+	u16 readRegister = le16_to_cpu(ihid->hdesc.wDataRegister);
+
+	i2c_hid_dbg(ihid, "%s\n", __func__);
+
+	if (reportID >= 0x0F) {
+		args[args_len++] = reportID;
+		reportID = 0x0F;
+	}
+
+	args[args_len++] = readRegister & 0xFF;
+	args[args_len++] = readRegister >> 8;
+
+	ret = __i2c_hid_command(client, &hid_get_report_cmd, reportID,
+		reportType, args, args_len, buf_recv, data_len);
+	if (ret) {
+		dev_err(&client->dev,
+			"failed to retrieve report from device.\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int i2c_hid_set_report(struct i2c_client *client, u8 reportType,
+		u8 reportID, unsigned char *buf, size_t data_len)
+{
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	u8 *args = ihid->argsbuf;
+	int ret;
+	u16 dataRegister = le16_to_cpu(ihid->hdesc.wDataRegister);
+
+	/* hidraw already checked that data_len < HID_MAX_BUFFER_SIZE */
+	u16 size =	2			/* size */ +
+			(reportID ? 1 : 0)	/* reportID */ +
+			data_len		/* buf */;
+	int args_len =	(reportID >= 0x0F ? 1 : 0) /* optional third byte */ +
+			2			/* dataRegister */ +
+			size			/* args */;
+	int index = 0;
+
+	i2c_hid_dbg(ihid, "%s\n", __func__);
+
+	if (reportID >= 0x0F) {
+		args[index++] = reportID;
+		reportID = 0x0F;
+	}
+
+	args[index++] = dataRegister & 0xFF;
+	args[index++] = dataRegister >> 8;
+
+	args[index++] = size & 0xFF;
+	args[index++] = size >> 8;
+
+	if (reportID)
+		args[index++] = reportID;
+
+	memcpy(&args[index], buf, data_len);
+
+	ret = __i2c_hid_command(client, &hid_set_report_cmd, reportID,
+		reportType, args, args_len, NULL, 0);
+	if (ret) {
+		dev_err(&client->dev, "failed to set a report to device.\n");
+		return ret;
+	}
+
+	return data_len;
+}
+
+static int i2c_hid_set_power(struct i2c_client *client, int power_state)
+{
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	int ret;
+
+	i2c_hid_dbg(ihid, "%s\n", __func__);
+
+	ret = __i2c_hid_command(client, &hid_set_power_cmd, power_state,
+		0, NULL, 0, NULL, 0);
+	if (ret)
+		dev_err(&client->dev, "failed to change power setting.\n");
+
+	return ret;
+}
+
+static int i2c_hid_hwreset(struct i2c_client *client)
+{
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	int ret;
+
+	i2c_hid_dbg(ihid, "%s\n", __func__);
+
+	ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
+	if (ret)
+		return ret;
+
+	i2c_hid_dbg(ihid, "resetting...\n");
+
+	ret = i2c_hid_command(client, &hid_reset_cmd, NULL, 0);
+	if (ret) {
+		dev_err(&client->dev, "failed to reset device.\n");
+		i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void i2c_hid_get_input(struct i2c_hid *ihid)
+{
+	int ret, ret_size;
+	int size = le16_to_cpu(ihid->hdesc.wMaxInputLength);
+
+	ret = i2c_master_recv(ihid->client, ihid->inbuf, size);
+	if (ret != size) {
+		if (ret < 0)
+			return;
+
+		dev_err(&ihid->client->dev, "%s: got %d data instead of %d\n",
+			__func__, ret, size);
+		return;
+	}
+
+	ret_size = ihid->inbuf[0] | ihid->inbuf[1] << 8;
+
+	if (!ret_size) {
+		/* host or device initiated RESET completed */
+		if (test_and_clear_bit(I2C_HID_RESET_PENDING, &ihid->flags))
+			wake_up(&ihid->wait);
+		return;
+	}
+
+	if (ret_size > size) {
+		dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",
+			__func__, size, ret_size);
+		return;
+	}
+
+	i2c_hid_dbg(ihid, "input: %*ph\n", ret_size, ihid->inbuf);
+
+	if (test_bit(I2C_HID_STARTED, &ihid->flags))
+		hid_input_report(ihid->hid, HID_INPUT_REPORT, ihid->inbuf + 2,
+				ret_size - 2, 1);
+
+	return;
+}
+
+static irqreturn_t i2c_hid_irq(int irq, void *dev_id)
+{
+	struct i2c_hid *ihid = dev_id;
+
+	if (test_bit(I2C_HID_READ_PENDING, &ihid->flags))
+		return IRQ_HANDLED;
+
+	i2c_hid_get_input(ihid);
+
+	return IRQ_HANDLED;
+}
+
+static int i2c_hid_get_report_length(struct hid_report *report)
+{
+	return ((report->size - 1) >> 3) + 1 +
+		report->device->report_enum[report->type].numbered + 2;
+}
+
+static void i2c_hid_init_report(struct hid_report *report, u8 *buffer,
+	size_t bufsize)
+{
+	struct hid_device *hid = report->device;
+	struct i2c_client *client = hid->driver_data;
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	unsigned int size, ret_size;
+
+	size = i2c_hid_get_report_length(report);
+	if (i2c_hid_get_report(client,
+			report->type == HID_FEATURE_REPORT ? 0x03 : 0x01,
+			report->id, buffer, size))
+		return;
+
+	i2c_hid_dbg(ihid, "report (len=%d): %*ph\n", size, size, ihid->inbuf);
+
+	ret_size = buffer[0] | (buffer[1] << 8);
+
+	if (ret_size != size) {
+		dev_err(&client->dev, "error in %s size:%d / ret_size:%d\n",
+			__func__, size, ret_size);
+		return;
+	}
+
+	/* hid->driver_lock is held as we are in probe function,
+	 * we just need to setup the input fields, so using
+	 * hid_report_raw_event is safe. */
+	hid_report_raw_event(hid, report->type, buffer + 2, size - 2, 1);
+}
+
+/*
+ * Initialize all reports
+ */
+static void i2c_hid_init_reports(struct hid_device *hid)
+{
+	struct hid_report *report;
+	struct i2c_client *client = hid->driver_data;
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	u8 *inbuf = kzalloc(ihid->bufsize, GFP_KERNEL);
+
+	if (!inbuf) {
+		dev_err(&client->dev, "can not retrieve initial reports\n");
+		return;
+	}
+
+	list_for_each_entry(report,
+		&hid->report_enum[HID_INPUT_REPORT].report_list, list)
+		i2c_hid_init_report(report, inbuf, ihid->bufsize);
+
+	list_for_each_entry(report,
+		&hid->report_enum[HID_FEATURE_REPORT].report_list, list)
+		i2c_hid_init_report(report, inbuf, ihid->bufsize);
+
+	kfree(inbuf);
+}
+
+/*
+ * Traverse the supplied list of reports and find the longest
+ */
+static void i2c_hid_find_max_report(struct hid_device *hid, unsigned int type,
+		unsigned int *max)
+{
+	struct hid_report *report;
+	unsigned int size;
+
+	/* We should not rely on wMaxInputLength, as some devices may set it to
+	 * a wrong length. */
+	list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
+		size = i2c_hid_get_report_length(report);
+		if (*max < size)
+			*max = size;
+	}
+}
+
+static void i2c_hid_free_buffers(struct i2c_hid *ihid)
+{
+	kfree(ihid->inbuf);
+	kfree(ihid->argsbuf);
+	kfree(ihid->cmdbuf);
+	ihid->inbuf = NULL;
+	ihid->cmdbuf = NULL;
+	ihid->argsbuf = NULL;
+	ihid->bufsize = 0;
+}
+
+static int i2c_hid_alloc_buffers(struct i2c_hid *ihid, size_t report_size)
+{
+	/* the worst case is computed from the set_report command with a
+	 * reportID > 15 and the maximum report length */
+	int args_len = sizeof(__u8) + /* optional ReportID byte */
+		       sizeof(__u16) + /* data register */
+		       sizeof(__u16) + /* size of the report */
+		       report_size; /* report */
+
+	ihid->inbuf = kzalloc(report_size, GFP_KERNEL);
+	ihid->argsbuf = kzalloc(args_len, GFP_KERNEL);
+	ihid->cmdbuf = kzalloc(sizeof(union command) + args_len, GFP_KERNEL);
+
+	if (!ihid->inbuf || !ihid->argsbuf || !ihid->cmdbuf) {
+		i2c_hid_free_buffers(ihid);
+		return -ENOMEM;
+	}
+
+	ihid->bufsize = report_size;
+
+	return 0;
+}
+
+static int i2c_hid_get_raw_report(struct hid_device *hid,
+		unsigned char report_number, __u8 *buf, size_t count,
+		unsigned char report_type)
+{
+	struct i2c_client *client = hid->driver_data;
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	size_t ret_count, ask_count;
+	int ret;
+
+	if (report_type == HID_OUTPUT_REPORT)
+		return -EINVAL;
+
+	/* +2 bytes to include the size of the reply in the query buffer */
+	ask_count = min(count + 2, (size_t)ihid->bufsize);
+
+	ret = i2c_hid_get_report(client,
+			report_type == HID_FEATURE_REPORT ? 0x03 : 0x01,
+			report_number, ihid->inbuf, ask_count);
+
+	if (ret < 0)
+		return ret;
+
+	ret_count = ihid->inbuf[0] | (ihid->inbuf[1] << 8);
+
+	if (ret_count <= 2)
+		return 0;
+
+	ret_count = min(ret_count, ask_count);
+
+	/* The query buffer contains the size, dropping it in the reply */
+	count = min(count, ret_count - 2);
+	memcpy(buf, ihid->inbuf + 2, count);
+
+	return count;
+}
+
+static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
+		size_t count, unsigned char report_type)
+{
+	struct i2c_client *client = hid->driver_data;
+	int report_id = buf[0];
+	int ret;
+
+	if (report_type == HID_INPUT_REPORT)
+		return -EINVAL;
+
+	if (report_id) {
+		buf++;
+		count--;
+	}
+
+	ret = i2c_hid_set_report(client,
+				report_type == HID_FEATURE_REPORT ? 0x03 : 0x02,
+				report_id, buf, count);
+
+	if (report_id && ret >= 0)
+		ret++; /* add report_id to the number of transfered bytes */
+
+	return ret;
+}
+
+static int i2c_hid_parse(struct hid_device *hid)
+{
+	struct i2c_client *client = hid->driver_data;
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	struct i2c_hid_desc *hdesc = &ihid->hdesc;
+	unsigned int rsize;
+	char *rdesc;
+	int ret;
+	int tries = 3;
+
+	i2c_hid_dbg(ihid, "entering %s\n", __func__);
+
+	rsize = le16_to_cpu(hdesc->wReportDescLength);
+	if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
+		dbg_hid("weird size of report descriptor (%u)\n", rsize);
+		return -EINVAL;
+	}
+
+	do {
+		ret = i2c_hid_hwreset(client);
+		if (ret)
+			msleep(1000);
+	} while (tries-- > 0 && ret);
+
+	if (ret)
+		return ret;
+
+	rdesc = kzalloc(rsize, GFP_KERNEL);
+
+	if (!rdesc) {
+		dbg_hid("couldn't allocate rdesc memory\n");
+		return -ENOMEM;
+	}
+
+	i2c_hid_dbg(ihid, "asking HID report descriptor\n");
+
+	ret = i2c_hid_command(client, &hid_report_descr_cmd, rdesc, rsize);
+	if (ret) {
+		hid_err(hid, "reading report descriptor failed\n");
+		kfree(rdesc);
+		return -EIO;
+	}
+
+	i2c_hid_dbg(ihid, "Report Descriptor: %*ph\n", rsize, rdesc);
+
+	ret = hid_parse_report(hid, rdesc, rsize);
+	kfree(rdesc);
+	if (ret) {
+		dbg_hid("parsing report descriptor failed\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int i2c_hid_start(struct hid_device *hid)
+{
+	struct i2c_client *client = hid->driver_data;
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	int ret;
+	unsigned int bufsize = HID_MIN_BUFFER_SIZE;
+
+	i2c_hid_find_max_report(hid, HID_INPUT_REPORT, &bufsize);
+	i2c_hid_find_max_report(hid, HID_OUTPUT_REPORT, &bufsize);
+	i2c_hid_find_max_report(hid, HID_FEATURE_REPORT, &bufsize);
+
+	if (bufsize > ihid->bufsize) {
+		i2c_hid_free_buffers(ihid);
+
+		ret = i2c_hid_alloc_buffers(ihid, bufsize);
+
+		if (ret)
+			return ret;
+	}
+
+	if (!(hid->quirks & HID_QUIRK_NO_INIT_REPORTS))
+		i2c_hid_init_reports(hid);
+
+	return 0;
+}
+
+static void i2c_hid_stop(struct hid_device *hid)
+{
+	struct i2c_client *client = hid->driver_data;
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+
+	hid->claimed = 0;
+
+	i2c_hid_free_buffers(ihid);
+}
+
+static int i2c_hid_open(struct hid_device *hid)
+{
+	struct i2c_client *client = hid->driver_data;
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	int ret = 0;
+
+	mutex_lock(&i2c_hid_open_mut);
+	if (!hid->open++) {
+		ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
+		if (ret) {
+			hid->open--;
+			goto done;
+		}
+		set_bit(I2C_HID_STARTED, &ihid->flags);
+	}
+done:
+	mutex_unlock(&i2c_hid_open_mut);
+	return ret;
+}
+
+static void i2c_hid_close(struct hid_device *hid)
+{
+	struct i2c_client *client = hid->driver_data;
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+
+	/* protecting hid->open to make sure we don't restart
+	 * data acquistion due to a resumption we no longer
+	 * care about
+	 */
+	mutex_lock(&i2c_hid_open_mut);
+	if (!--hid->open) {
+		clear_bit(I2C_HID_STARTED, &ihid->flags);
+
+		/* Save some power */
+		i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+	}
+	mutex_unlock(&i2c_hid_open_mut);
+}
+
+static int i2c_hid_power(struct hid_device *hid, int lvl)
+{
+	struct i2c_client *client = hid->driver_data;
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	int ret = 0;
+
+	i2c_hid_dbg(ihid, "%s lvl:%d\n", __func__, lvl);
+
+	switch (lvl) {
+	case PM_HINT_FULLON:
+		ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
+		break;
+	case PM_HINT_NORMAL:
+		ret = i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+		break;
+	}
+	return ret;
+}
+
+static int i2c_hid_hidinput_input_event(struct input_dev *dev,
+		unsigned int type, unsigned int code, int value)
+{
+	struct hid_device *hid = input_get_drvdata(dev);
+	struct hid_field *field;
+	int offset;
+
+	if (type == EV_FF)
+		return input_ff_event(dev, type, code, value);
+
+	if (type != EV_LED)
+		return -1;
+
+	offset = hidinput_find_field(hid, type, code, &field);
+
+	if (offset == -1) {
+		hid_warn(dev, "event field not found\n");
+		return -1;
+	}
+
+	return hid_set_field(field, offset, value);
+}
+
+static struct hid_ll_driver i2c_hid_ll_driver = {
+	.parse = i2c_hid_parse,
+	.start = i2c_hid_start,
+	.stop = i2c_hid_stop,
+	.open = i2c_hid_open,
+	.close = i2c_hid_close,
+	.power = i2c_hid_power,
+	.hidinput_input_event = i2c_hid_hidinput_input_event,
+};
+
+static int i2c_hid_init_irq(struct i2c_client *client)
+{
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	int ret;
+
+	dev_dbg(&client->dev, "Requesting IRQ: %d\n", client->irq);
+
+	ret = request_threaded_irq(client->irq, NULL, i2c_hid_irq,
+			IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+			client->name, ihid);
+	if (ret < 0) {
+		dev_warn(&client->dev,
+			"Could not register for %s interrupt, irq = %d,"
+			" ret = %d\n",
+			client->name, client->irq, ret);
+
+		return ret;
+	}
+
+	return 0;
+}
+
+static int i2c_hid_fetch_hid_descriptor(struct i2c_hid *ihid)
+{
+	struct i2c_client *client = ihid->client;
+	struct i2c_hid_desc *hdesc = &ihid->hdesc;
+	unsigned int dsize;
+	int ret;
+
+	/* Fetch the length of HID description, retrieve the 4 first bytes:
+	 * bytes 0-1 -> length
+	 * bytes 2-3 -> bcdVersion (has to be 1.00) */
+	ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer, 4);
+
+	i2c_hid_dbg(ihid, "%s, ihid->hdesc_buffer: %*ph\n",
+			__func__, 4, ihid->hdesc_buffer);
+
+	if (ret) {
+		dev_err(&client->dev,
+			"unable to fetch the size of HID descriptor (ret=%d)\n",
+			ret);
+		return -ENODEV;
+	}
+
+	dsize = le16_to_cpu(hdesc->wHIDDescLength);
+	/*
+	 * the size of the HID descriptor should at least contain
+	 * its size and the bcdVersion (4 bytes), and should not be greater
+	 * than sizeof(struct i2c_hid_desc) as we directly fill this struct
+	 * through i2c_hid_command.
+	 */
+	if (dsize < 4 || dsize > sizeof(struct i2c_hid_desc)) {
+		dev_err(&client->dev, "weird size of HID descriptor (%u)\n",
+			dsize);
+		return -ENODEV;
+	}
+
+	/* check bcdVersion == 1.0 */
+	if (le16_to_cpu(hdesc->bcdVersion) != 0x0100) {
+		dev_err(&client->dev,
+			"unexpected HID descriptor bcdVersion (0x%04hx)\n",
+			le16_to_cpu(hdesc->bcdVersion));
+		return -ENODEV;
+	}
+
+	i2c_hid_dbg(ihid, "Fetching the HID descriptor\n");
+
+	ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer,
+				dsize);
+	if (ret) {
+		dev_err(&client->dev, "hid_descr_cmd Fail\n");
+		return -ENODEV;
+	}
+
+	i2c_hid_dbg(ihid, "HID Descriptor: %*ph\n", dsize, ihid->hdesc_buffer);
+
+	return 0;
+}
+
+#ifdef CONFIG_ACPI
+static int i2c_hid_acpi_pdata(struct i2c_client *client,
+		struct i2c_hid_platform_data *pdata)
+{
+	static u8 i2c_hid_guid[] = {
+		0xF7, 0xF6, 0xDF, 0x3C, 0x67, 0x42, 0x55, 0x45,
+		0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE,
+	};
+	struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL };
+	union acpi_object params[4], *obj;
+	struct acpi_object_list input;
+	struct acpi_device *adev;
+	acpi_handle handle;
+
+	handle = ACPI_HANDLE(&client->dev);
+	if (!handle || acpi_bus_get_device(handle, &adev))
+		return -ENODEV;
+
+	input.count = ARRAY_SIZE(params);
+	input.pointer = params;
+
+	params[0].type = ACPI_TYPE_BUFFER;
+	params[0].buffer.length = sizeof(i2c_hid_guid);
+	params[0].buffer.pointer = i2c_hid_guid;
+	params[1].type = ACPI_TYPE_INTEGER;
+	params[1].integer.value = 1;
+	params[2].type = ACPI_TYPE_INTEGER;
+	params[2].integer.value = 1; /* HID function */
+	params[3].type = ACPI_TYPE_INTEGER;
+	params[3].integer.value = 0;
+
+	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_DSM", &input, &buf))) {
+		dev_err(&client->dev, "device _DSM execution failed\n");
+		return -ENODEV;
+	}
+
+	obj = (union acpi_object *)buf.pointer;
+	if (obj->type != ACPI_TYPE_INTEGER) {
+		dev_err(&client->dev, "device _DSM returned invalid type: %d\n",
+			obj->type);
+		kfree(buf.pointer);
+		return -EINVAL;
+	}
+
+	pdata->hid_descriptor_address = obj->integer.value;
+
+	kfree(buf.pointer);
+	return 0;
+}
+
+static const struct acpi_device_id i2c_hid_acpi_match[] = {
+	{"ACPI0C50", 0 },
+	{"PNP0C50", 0 },
+	{ },
+};
+MODULE_DEVICE_TABLE(acpi, i2c_hid_acpi_match);
+#else
+static inline int i2c_hid_acpi_pdata(struct i2c_client *client,
+		struct i2c_hid_platform_data *pdata)
+{
+	return -ENODEV;
+}
+#endif
+
+static int i2c_hid_probe(struct i2c_client *client,
+			 const struct i2c_device_id *dev_id)
+{
+	int ret;
+	struct i2c_hid *ihid;
+	struct hid_device *hid;
+	__u16 hidRegister;
+	struct i2c_hid_platform_data *platform_data = client->dev.platform_data;
+
+	dbg_hid("HID probe called for i2c 0x%02x\n", client->addr);
+
+	if (!client->irq) {
+		dev_err(&client->dev,
+			"HID over i2c has not been provided an Int IRQ\n");
+		return -EINVAL;
+	}
+
+	ihid = kzalloc(sizeof(struct i2c_hid), GFP_KERNEL);
+	if (!ihid)
+		return -ENOMEM;
+
+	if (!platform_data) {
+		ret = i2c_hid_acpi_pdata(client, &ihid->pdata);
+		if (ret) {
+			dev_err(&client->dev,
+				"HID register address not provided\n");
+			goto err;
+		}
+	} else {
+		ihid->pdata = *platform_data;
+	}
+
+	i2c_set_clientdata(client, ihid);
+
+	ihid->client = client;
+
+	hidRegister = ihid->pdata.hid_descriptor_address;
+	ihid->wHIDDescRegister = cpu_to_le16(hidRegister);
+
+	init_waitqueue_head(&ihid->wait);
+
+	/* we need to allocate the command buffer without knowing the maximum
+	 * size of the reports. Let's use HID_MIN_BUFFER_SIZE, then we do the
+	 * real computation later. */
+	ret = i2c_hid_alloc_buffers(ihid, HID_MIN_BUFFER_SIZE);
+	if (ret < 0)
+		goto err;
+
+	ret = i2c_hid_fetch_hid_descriptor(ihid);
+	if (ret < 0)
+		goto err;
+
+	ret = i2c_hid_init_irq(client);
+	if (ret < 0)
+		goto err;
+
+	hid = hid_allocate_device();
+	if (IS_ERR(hid)) {
+		ret = PTR_ERR(hid);
+		goto err_irq;
+	}
+
+	ihid->hid = hid;
+
+	hid->driver_data = client;
+	hid->ll_driver = &i2c_hid_ll_driver;
+	hid->hid_get_raw_report = i2c_hid_get_raw_report;
+	hid->hid_output_raw_report = i2c_hid_output_raw_report;
+	hid->dev.parent = &client->dev;
+	ACPI_HANDLE_SET(&hid->dev, ACPI_HANDLE(&client->dev));
+	hid->bus = BUS_I2C;
+	hid->version = le16_to_cpu(ihid->hdesc.bcdVersion);
+	hid->vendor = le16_to_cpu(ihid->hdesc.wVendorID);
+	hid->product = le16_to_cpu(ihid->hdesc.wProductID);
+
+	snprintf(hid->name, sizeof(hid->name), "%s %04hX:%04hX",
+		 client->name, hid->vendor, hid->product);
+
+	ret = hid_add_device(hid);
+	if (ret) {
+		if (ret != -ENODEV)
+			hid_err(client, "can't add hid device: %d\n", ret);
+		goto err_mem_free;
+	}
+
+	return 0;
+
+err_mem_free:
+	hid_destroy_device(hid);
+
+err_irq:
+	free_irq(client->irq, ihid);
+
+err:
+	i2c_hid_free_buffers(ihid);
+	kfree(ihid);
+	return ret;
+}
+
+static int i2c_hid_remove(struct i2c_client *client)
+{
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+	struct hid_device *hid;
+
+	hid = ihid->hid;
+	hid_destroy_device(hid);
+
+	free_irq(client->irq, ihid);
+
+	if (ihid->bufsize)
+		i2c_hid_free_buffers(ihid);
+
+	kfree(ihid);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int i2c_hid_suspend(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+
+	if (device_may_wakeup(&client->dev))
+		enable_irq_wake(client->irq);
+
+	/* Save some power */
+	i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+
+	return 0;
+}
+
+static int i2c_hid_resume(struct device *dev)
+{
+	int ret;
+	struct i2c_client *client = to_i2c_client(dev);
+
+	ret = i2c_hid_hwreset(client);
+	if (ret)
+		return ret;
+
+	if (device_may_wakeup(&client->dev))
+		disable_irq_wake(client->irq);
+
+	return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(i2c_hid_pm, i2c_hid_suspend, i2c_hid_resume);
+
+static const struct i2c_device_id i2c_hid_id_table[] = {
+	{ "hid", 0 },
+	{ },
+};
+MODULE_DEVICE_TABLE(i2c, i2c_hid_id_table);
+
+
+static struct i2c_driver i2c_hid_driver = {
+	.driver = {
+		.name	= "i2c_hid",
+		.owner	= THIS_MODULE,
+		.pm	= &i2c_hid_pm,
+		.acpi_match_table = ACPI_PTR(i2c_hid_acpi_match),
+	},
+
+	.probe		= i2c_hid_probe,
+	.remove		= i2c_hid_remove,
+
+	.id_table	= i2c_hid_id_table,
+};
+
+module_i2c_driver(i2c_hid_driver);
+
+MODULE_DESCRIPTION("HID over I2C core driver");
+MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 714cd8cc9579..fc307e0422af 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/atomic.h>
+#include <linux/compat.h>
 #include <linux/device.h>
 #include <linux/fs.h>
 #include <linux/hid.h>
@@ -276,6 +277,94 @@ static struct hid_ll_driver uhid_hid_driver = {
 	.parse = uhid_hid_parse,
 };
 
+#ifdef CONFIG_COMPAT
+
+/* Apparently we haven't stepped on these rakes enough times yet. */
+struct uhid_create_req_compat {
+	__u8 name[128];
+	__u8 phys[64];
+	__u8 uniq[64];
+
+	compat_uptr_t rd_data;
+	__u16 rd_size;
+
+	__u16 bus;
+	__u32 vendor;
+	__u32 product;
+	__u32 version;
+	__u32 country;
+} __attribute__((__packed__));
+
+static int uhid_event_from_user(const char __user *buffer, size_t len,
+				struct uhid_event *event)
+{
+	if (is_compat_task()) {
+		u32 type;
+
+		if (get_user(type, buffer))
+			return -EFAULT;
+
+		if (type == UHID_CREATE) {
+			/*
+			 * This is our messed up request with compat pointer.
+			 * It is largish (more than 256 bytes) so we better
+			 * allocate it from the heap.
+			 */
+			struct uhid_create_req_compat *compat;
+
+			compat = kmalloc(sizeof(*compat), GFP_KERNEL);
+			if (!compat)
+				return -ENOMEM;
+
+			buffer += sizeof(type);
+			len -= sizeof(type);
+			if (copy_from_user(compat, buffer,
+					   min(len, sizeof(*compat)))) {
+				kfree(compat);
+				return -EFAULT;
+			}
+
+			/* Shuffle the data over to proper structure */
+			event->type = type;
+
+			memcpy(event->u.create.name, compat->name,
+				sizeof(compat->name));
+			memcpy(event->u.create.phys, compat->phys,
+				sizeof(compat->phys));
+			memcpy(event->u.create.uniq, compat->uniq,
+				sizeof(compat->uniq));
+
+			event->u.create.rd_data = compat_ptr(compat->rd_data);
+			event->u.create.rd_size = compat->rd_size;
+
+			event->u.create.bus = compat->bus;
+			event->u.create.vendor = compat->vendor;
+			event->u.create.product = compat->product;
+			event->u.create.version = compat->version;
+			event->u.create.country = compat->country;
+
+			kfree(compat);
+			return 0;
+		}
+		/* All others can be copied directly */
+	}
+
+	if (copy_from_user(event, buffer, min(len, sizeof(*event))))
+		return -EFAULT;
+
+	return 0;
+}
+#else
+static int uhid_event_from_user(const char __user *buffer, size_t len,
+				struct uhid_event *event)
+{
+	if (copy_from_user(event, buffer, min(len, sizeof(*event))))
+		return -EFAULT;
+
+	return 0;
+}
+#endif
+
 static int uhid_dev_create(struct uhid_device *uhid,
 			   const struct uhid_event *ev)
 {
@@ -498,10 +587,10 @@ static ssize_t uhid_char_write(struct file *file, const char __user *buffer,
 
 	memset(&uhid->input_buf, 0, sizeof(uhid->input_buf));
 	len = min(count, sizeof(uhid->input_buf));
-	if (copy_from_user(&uhid->input_buf, buffer, len)) {
-		ret = -EFAULT;
+
+	ret = uhid_event_from_user(buffer, len, &uhid->input_buf);
+	if (ret)
 		goto unlock;
-	}
 
 	switch (uhid->input_buf.type) {
 	case UHID_CREATE:
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 11c7932dc7e6..e0e6abf1cd3b 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -70,8 +70,10 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS },
@@ -79,9 +81,11 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_SIGMATEL, USB_DEVICE_ID_SIGMATEL_STMP3780, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT },
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 14599e256791..87bd64959a91 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -361,10 +361,6 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun
 			prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE);
 
 			while (list->head == list->tail) {
-				if (file->f_flags & O_NONBLOCK) {
-					retval = -EAGAIN;
-					break;
-				}
 				if (signal_pending(current)) {
 					retval = -ERESTARTSYS;
 					break;
@@ -373,6 +369,10 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun
 					retval = -EIO;
 					break;
 				}
+				if (file->f_flags & O_NONBLOCK) {
+					retval = -EAGAIN;
+					break;
+				}
 
 				/* let O_NONBLOCK tasks run */
 				mutex_unlock(&list->thread_lock);
@@ -625,7 +625,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		break;
 
 	case HIDIOCAPPLICATION:
-		if (arg < 0 || arg >= hid->maxapplication)
+		if (arg >= hid->maxapplication)
 			break;
 
 		for (i = 0; i < hid->maxcollection; i++)