diff options
Diffstat (limited to 'drivers/leds/led-core.c')
| -rw-r--r-- | drivers/leds/led-core.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index aaa8eba9099f..be6d9fa5e971 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -143,3 +143,21 @@ int led_update_brightness(struct led_classdev *led_cdev) return ret; } EXPORT_SYMBOL(led_update_brightness); + +/* Caller must ensure led_cdev->led_access held */ +void led_sysfs_disable(struct led_classdev *led_cdev) +{ + lockdep_assert_held(&led_cdev->led_access); + + led_cdev->flags |= LED_SYSFS_DISABLE; +} +EXPORT_SYMBOL_GPL(led_sysfs_disable); + +/* Caller must ensure led_cdev->led_access held */ +void led_sysfs_enable(struct led_classdev *led_cdev) +{ + lockdep_assert_held(&led_cdev->led_access); + + led_cdev->flags &= ~LED_SYSFS_DISABLE; +} +EXPORT_SYMBOL_GPL(led_sysfs_enable); |