summaryrefslogtreecommitdiff
path: root/drivers/input/mouse
diff options
context:
space:
mode:
authorOskari Saarenmaa <os@ohmu.fi>2012-03-25 17:17:27 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-25 17:18:18 -0700
commit727f9b480754dfcb82e36d431e85984893011b79 (patch)
tree33ff1f4d3f1c44b60214f5af27b62ff0e6e52629 /drivers/input/mouse
parent7b85f73d0461188aa397d428e6c53419ebfd86b4 (diff)
Input: sentelic - improve packet debugging information
Signed-off-by: Oskari Saarenmaa <os@ohmu.fi> Signed-off-by: Tai-hwa Liang <avatar@sentelic.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/mouse')
-rw-r--r--drivers/input/mouse/sentelic.c43
1 files changed, 34 insertions, 9 deletions
diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
index d6bc5a0b2865..a977bfaa6821 100644
--- a/drivers/input/mouse/sentelic.c
+++ b/drivers/input/mouse/sentelic.c
@@ -37,6 +37,9 @@
#define FSP_CMD_TIMEOUT 200
#define FSP_CMD_TIMEOUT2 30
+#define GET_ABS_X(packet) ((packet[1] << 2) | ((packet[3] >> 2) & 0x03))
+#define GET_ABS_Y(packet) ((packet[2] << 2) | (packet[3] & 0x03))
+
/** Driver version. */
static const char fsp_drv_ver[] = "1.0.0-K";
@@ -619,18 +622,40 @@ static struct attribute_group fsp_attribute_group = {
.attrs = fsp_attributes,
};
-#ifdef FSP_DEBUG
-static void fsp_packet_debug(unsigned char packet[])
+#ifdef FSP_DEBUG
+static void fsp_packet_debug(struct psmouse *psmouse, unsigned char packet[])
{
static unsigned int ps2_packet_cnt;
static unsigned int ps2_last_second;
unsigned int jiffies_msec;
+ const char *packet_type = "UNKNOWN";
+ unsigned short abs_x = 0, abs_y = 0;
+
+ /* Interpret & dump the packet data. */
+ switch (packet[0] >> FSP_PKT_TYPE_SHIFT) {
+ case FSP_PKT_TYPE_ABS:
+ packet_type = "Absolute";
+ abs_x = GET_ABS_X(packet);
+ abs_y = GET_ABS_Y(packet);
+ break;
+ case FSP_PKT_TYPE_NORMAL:
+ packet_type = "Normal";
+ break;
+ case FSP_PKT_TYPE_NOTIFY:
+ packet_type = "Notify";
+ break;
+ case FSP_PKT_TYPE_NORMAL_OPC:
+ packet_type = "Normal-OPC";
+ break;
+ }
ps2_packet_cnt++;
jiffies_msec = jiffies_to_msecs(jiffies);
psmouse_dbg(psmouse,
- "%08dms PS/2 packets: %02x, %02x, %02x, %02x\n",
- jiffies_msec, packet[0], packet[1], packet[2], packet[3]);
+ "%08dms %s packets: %02x, %02x, %02x, %02x; "
+ "abs_x: %d, abs_y: %d\n",
+ jiffies_msec, packet_type,
+ packet[0], packet[1], packet[2], packet[3], abs_x, abs_y);
if (jiffies_msec - ps2_last_second > 1000) {
psmouse_dbg(psmouse, "PS/2 packets/sec = %d\n", ps2_packet_cnt);
@@ -639,7 +664,7 @@ static void fsp_packet_debug(unsigned char packet[])
}
}
#else
-static void fsp_packet_debug(unsigned char packet[])
+static void fsp_packet_debug(struct psmouse *psmouse, unsigned char packet[])
{
}
#endif
@@ -671,10 +696,12 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse)
* Full packet accumulated, process it
*/
+ fsp_packet_debug(psmouse, packet);
+
switch (psmouse->packet[0] >> FSP_PKT_TYPE_SHIFT) {
case FSP_PKT_TYPE_ABS:
- abs_x = (packet[1] << 2) | ((packet[3] >> 2) & 0x03);
- abs_y = (packet[2] << 2) | (packet[3] & 0x03);
+ abs_x = GET_ABS_X(packet);
+ abs_y = GET_ABS_Y(packet);
if (packet[0] & FSP_PB0_MFMC) {
/*
@@ -785,8 +812,6 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse)
input_sync(dev);
- fsp_packet_debug(packet);
-
return PSMOUSE_FULL_PACKET;
}