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authorVasily Khoruzhick <anarsoul@gmail.com>2011-01-07 16:28:16 +0000
committerAnton Vorontsov <cbouatmailru@gmail.com>2011-01-31 16:30:24 +0300
commit0b9536c957095eb1497828aa51b34ac695f67eae (patch)
tree2620b5af70a2d8f13edefd62d1337bc9f071b6f9 /drivers/leds
parent51d07566045787b99219d809639c8724506fc78a (diff)
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: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/led-triggers.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index c41eb6180c9c..4bebae733349 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -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;