diff options
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/led-core.c | 24 | ||||
| -rw-r--r-- | drivers/leds/led-triggers.c | 2 |
2 files changed, 25 insertions, 1 deletions
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index e61acc785410..b9b1295833c9 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -152,6 +152,13 @@ static void set_brightness_delayed(struct work_struct *ws) if (test_and_clear_bit(LED_SET_BRIGHTNESS, &led_cdev->work_flags)) set_brightness_delayed_set_brightness(led_cdev, led_cdev->delayed_set_value); + + if (test_and_clear_bit(LED_SET_BLINK, &led_cdev->work_flags)) { + unsigned long delay_on = led_cdev->delayed_delay_on; + unsigned long delay_off = led_cdev->delayed_delay_off; + + led_blink_set(led_cdev, &delay_on, &delay_off); + } } static void led_set_software_blink(struct led_classdev *led_cdev, @@ -246,6 +253,22 @@ void led_blink_set_oneshot(struct led_classdev *led_cdev, } EXPORT_SYMBOL_GPL(led_blink_set_oneshot); +void led_blink_set_nosleep(struct led_classdev *led_cdev, unsigned long delay_on, + unsigned long delay_off) +{ + /* If necessary delegate to a work queue task. */ + if (led_cdev->blink_set && led_cdev->brightness_set_blocking) { + led_cdev->delayed_delay_on = delay_on; + led_cdev->delayed_delay_off = delay_off; + set_bit(LED_SET_BLINK, &led_cdev->work_flags); + schedule_work(&led_cdev->set_brightness_work); + return; + } + + led_blink_set(led_cdev, &delay_on, &delay_off); +} +EXPORT_SYMBOL_GPL(led_blink_set_nosleep); + void led_stop_software_blink(struct led_classdev *led_cdev) { del_timer_sync(&led_cdev->blink_timer); @@ -301,6 +324,7 @@ void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value) set_bit(LED_SET_BRIGHTNESS, &led_cdev->work_flags); } else { clear_bit(LED_SET_BRIGHTNESS, &led_cdev->work_flags); + clear_bit(LED_SET_BLINK, &led_cdev->work_flags); set_bit(LED_SET_BRIGHTNESS_OFF, &led_cdev->work_flags); } diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index e06361165e9b..8214d3f7bc5f 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -409,7 +409,7 @@ static void led_trigger_blink_setup(struct led_trigger *trig, led_blink_set_oneshot(led_cdev, &delay_on, &delay_off, invert); else - led_blink_set(led_cdev, &delay_on, &delay_off); + led_blink_set_nosleep(led_cdev, delay_on, delay_off); } rcu_read_unlock(); } |