diff options
Diffstat (limited to 'drivers/leds/led-core.c')
| -rw-r--r-- | drivers/leds/led-core.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index 50b579ad948e..aaa8eba9099f 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -127,3 +127,19 @@ void led_set_brightness(struct led_classdev *led_cdev, __led_set_brightness(led_cdev, brightness); } EXPORT_SYMBOL(led_set_brightness); + +int led_update_brightness(struct led_classdev *led_cdev) +{ + int ret = 0; + + if (led_cdev->brightness_get) { + ret = led_cdev->brightness_get(led_cdev); + if (ret >= 0) { + led_cdev->brightness = ret; + return 0; + } + } + + return ret; +} +EXPORT_SYMBOL(led_update_brightness); |
