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Commit 0b9536c9 authored by Vasily Khoruzhick's avatar Vasily Khoruzhick Committed by Anton Vorontsov
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leds: Add ability to blink via simple trigger 



As blink API is now available, it's possible to add ability to blink via
simple trigger.

Signed-off-by: default avatarVasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: default avatarAnton Vorontsov <cbouatmailru@gmail.com>
parent 51d07566

drivers/leds/led-triggers.c

+20 −0
Original line number Diff line number Diff line
@@ -231,6 +231,26 @@ void led_trigger_event(struct led_trigger *trigger, 
}

EXPORT_SYMBOL_GPL(led_trigger_event);



void led_trigger_blink(struct led_trigger *trigger,

		       unsigned long *delay_on,

		       unsigned long *delay_off)

{

	struct list_head *entry;



	if (!trigger)

		return;



	read_lock(&trigger->leddev_list_lock);

	list_for_each(entry, &trigger->led_cdevs) {

		struct led_classdev *led_cdev;



		led_cdev = list_entry(entry, struct led_classdev, trig_list);

		led_blink_set(led_cdev, delay_on, delay_off);

	}

	read_unlock(&trigger->leddev_list_lock);

}

EXPORT_SYMBOL_GPL(led_trigger_blink);



void led_trigger_register_simple(const char *name, struct led_trigger **tp)

{

	struct led_trigger *trigger;

include/linux/leds.h

+3 −0
Original line number Diff line number Diff line
@@ -145,6 +145,9 @@ extern void led_trigger_register_simple(const char *name, 
extern void led_trigger_unregister_simple(struct led_trigger *trigger);

extern void led_trigger_event(struct led_trigger *trigger,

				enum led_brightness event);

extern void led_trigger_blink(struct led_trigger *trigger,

			      unsigned long *delay_on,

			      unsigned long *delay_off);



#else