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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 08:57:56 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 09:01:08 +0200
commita22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4 (patch)
tree61a2eb7fa62f5af10c2b913ca429e6b068b0eb2d /include/linux/leds.h
parent20d5a540e55a29daeef12706f9ee73baf5641c16 (diff)
parentd9875690d9b89a866022ff49e3fcea892345ad92 (diff)
Merge tag 'v3.6-rc2' into drm-intel-next
Backmerge Linux 3.6-rc2 to resolve a few funny conflicts before we put even more madness on top: - drivers/gpu/drm/i915/i915_irq.c: Just a spurious WARN removed in -fixes, that has been changed in a variable-rename in -next, too. - drivers/gpu/drm/i915/intel_ringbuffer.c: -next remove scratch_addr (since all their users have been extracted in another fucntion), -fixes added another user for a hw workaroudn. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/linux/leds.h')
-rw-r--r--include/linux/leds.h29
1 files changed, 27 insertions, 2 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h
index 39eee41d8c6f..3aade1d8f410 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -38,6 +38,9 @@ struct led_classdev {
#define LED_SUSPENDED (1 << 0)
/* Upper 16 bits reflect control information */
#define LED_CORE_SUSPENDRESUME (1 << 16)
+#define LED_BLINK_ONESHOT (1 << 17)
+#define LED_BLINK_ONESHOT_STOP (1 << 18)
+#define LED_BLINK_INVERT (1 << 19)
/* Set LED brightness level */
/* Must not sleep, use a workqueue if needed */
@@ -103,7 +106,25 @@ extern void led_blink_set(struct led_classdev *led_cdev,
unsigned long *delay_on,
unsigned long *delay_off);
/**
- * led_brightness_set - set LED brightness
+ * led_blink_set_oneshot - do a oneshot software blink
+ * @led_cdev: the LED to start blinking
+ * @delay_on: the time it should be on (in ms)
+ * @delay_off: the time it should ble off (in ms)
+ * @invert: blink off, then on, leaving the led on
+ *
+ * This function makes the LED blink one time for delay_on +
+ * delay_off time, ignoring the request if another one-shot
+ * blink is already in progress.
+ *
+ * If invert is set, led blinks for delay_off first, then for
+ * delay_on and leave the led on after the on-off cycle.
+ */
+extern void led_blink_set_oneshot(struct led_classdev *led_cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off,
+ int invert);
+/**
+ * led_set_brightness - set LED brightness
* @led_cdev: the LED to set
* @brightness: the brightness to set it to
*
@@ -111,7 +132,7 @@ extern void led_blink_set(struct led_classdev *led_cdev,
* software blink timer that implements blinking when the
* hardware doesn't.
*/
-extern void led_brightness_set(struct led_classdev *led_cdev,
+extern void led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness);
/*
@@ -150,6 +171,10 @@ extern void led_trigger_event(struct led_trigger *trigger,
extern void led_trigger_blink(struct led_trigger *trigger,
unsigned long *delay_on,
unsigned long *delay_off);
+extern void led_trigger_blink_oneshot(struct led_trigger *trigger,
+ unsigned long *delay_on,
+ unsigned long *delay_off,
+ int invert);
#else