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leds: convert blink timer to workqueue

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This patch converts the blink timer from led-core to workqueue which is more
suitable for this kind of non-priority operations. Moreover, timer may lead to
errors when a LED setting function use a scheduling function such as pinctrl
which is using mutex.

Signed-off-by: Vincent Donnefort <vdonnefort@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Vincent Donnefort 2014-06-14 02:21:40 -07:00 • committed by Bryan Wu
parent 7e7743901b
commit 8b37e1bef5
3 changed files with 14 additions and 14 deletions
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3
include/linux/leds.h
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@ -15,7 +15,6 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/rwsem.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
struct device;
@ -69,7 +68,7 @@ struct led_classdev {
const char *default_trigger; /* Trigger to use */
unsigned long blink_delay_on, blink_delay_off;
struct timer_list blink_timer;
struct delayed_work blink_work;
int blink_brightness;
struct work_struct set_brightness_work;