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authorTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
committerTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
commitf0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch)
treed4bfd9489cf4a96a55d83af20919f477a846d585 /drivers/leds/led-core.c
parentfa2f5bf09610d3c216d4c74855edbe00d636467c (diff)
parent28c42c28309244d0b15d1b385e33429d59997679 (diff)
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6 A batch more bugfixes, all driver-specific and fairly small and unremarkable in a global context. The biggest batch are for the newly added Arizona drivers.
Diffstat (limited to 'drivers/leds/led-core.c')
-rw-r--r--drivers/leds/led-core.c66
1 files changed, 47 insertions, 19 deletions
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c
index d65353d8d3f..2ab05af3de3 100644
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -24,14 +24,6 @@ EXPORT_SYMBOL_GPL(leds_list_lock);
LIST_HEAD(leds_list);
EXPORT_SYMBOL_GPL(leds_list);
-static void led_stop_software_blink(struct led_classdev *led_cdev)
-{
- /* deactivate previous settings */
- del_timer_sync(&led_cdev->blink_timer);
- led_cdev->blink_delay_on = 0;
- led_cdev->blink_delay_off = 0;
-}
-
static void led_set_software_blink(struct led_classdev *led_cdev,
unsigned long delay_on,
unsigned long delay_off)
@@ -53,7 +45,7 @@ static void led_set_software_blink(struct led_classdev *led_cdev,
/* never off - just set to brightness */
if (!delay_off) {
- led_set_brightness(led_cdev, led_cdev->blink_brightness);
+ __led_set_brightness(led_cdev, led_cdev->blink_brightness);
return;
}
@@ -61,13 +53,12 @@ static void led_set_software_blink(struct led_classdev *led_cdev,
}
-void led_blink_set(struct led_classdev *led_cdev,
- unsigned long *delay_on,
- unsigned long *delay_off)
+static void led_blink_setup(struct led_classdev *led_cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off)
{
- del_timer_sync(&led_cdev->blink_timer);
-
- if (led_cdev->blink_set &&
+ if (!(led_cdev->flags & LED_BLINK_ONESHOT) &&
+ led_cdev->blink_set &&
!led_cdev->blink_set(led_cdev, delay_on, delay_off))
return;
@@ -77,12 +68,49 @@ void led_blink_set(struct led_classdev *led_cdev,
led_set_software_blink(led_cdev, *delay_on, *delay_off);
}
+
+void led_blink_set(struct led_classdev *led_cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off)
+{
+ del_timer_sync(&led_cdev->blink_timer);
+
+ led_cdev->flags &= ~LED_BLINK_ONESHOT;
+ led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;
+
+ led_blink_setup(led_cdev, delay_on, delay_off);
+}
EXPORT_SYMBOL(led_blink_set);
-void led_brightness_set(struct led_classdev *led_cdev,
+void led_blink_set_oneshot(struct led_classdev *led_cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off,
+ int invert)
+{
+ if ((led_cdev->flags & LED_BLINK_ONESHOT) &&
+ timer_pending(&led_cdev->blink_timer))
+ return;
+
+ led_cdev->flags |= LED_BLINK_ONESHOT;
+ led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;
+
+ if (invert)
+ led_cdev->flags |= LED_BLINK_INVERT;
+ else
+ led_cdev->flags &= ~LED_BLINK_INVERT;
+
+ led_blink_setup(led_cdev, delay_on, delay_off);
+}
+EXPORT_SYMBOL(led_blink_set_oneshot);
+
+void led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
- led_stop_software_blink(led_cdev);
- led_cdev->brightness_set(led_cdev, brightness);
+ /* stop and clear soft-blink timer */
+ del_timer_sync(&led_cdev->blink_timer);
+ led_cdev->blink_delay_on = 0;
+ led_cdev->blink_delay_off = 0;
+
+ __led_set_brightness(led_cdev, brightness);
}
-EXPORT_SYMBOL(led_brightness_set);
+EXPORT_SYMBOL(led_set_brightness);