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Diffstat (limited to 'drivers/leds/leds.h')
| -rw-r--r-- | drivers/leds/leds.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/leds/leds.h b/drivers/leds/leds.h index 4238fbc31d35..61de87e2ad80 100644 --- a/drivers/leds/leds.h +++ b/drivers/leds/leds.h @@ -44,6 +44,22 @@ static inline int led_get_brightness(struct led_classdev *led_cdev) return led_cdev->brightness; } +static inline struct led_classdev *trigger_to_lcdev(struct led_trigger *trig) +{ + struct led_classdev *led_cdev; + + read_lock(&trig->leddev_list_lock); + list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) { + if (!strcmp(led_cdev->default_trigger, trig->name)) { + read_unlock(&trig->leddev_list_lock); + return led_cdev; + } + } + + read_unlock(&trig->leddev_list_lock); + return NULL; +} + void led_init_core(struct led_classdev *led_cdev); void led_stop_software_blink(struct led_classdev *led_cdev); |