/* * LED Core * * Copyright 2005 Openedhand Ltd. * * Author: Richard Purdie <rpurdie@openedhand.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ #ifndef __LEDS_H_INCLUDED #define __LEDS_H_INCLUDED #include <linux/rwsem.h> #include <linux/leds.h> static inline void led_set_brightness_async(struct led_classdev *led_cdev, enum led_brightness value) { value = min(value, led_cdev->max_brightness); led_cdev->brightness = value; if (!(led_cdev->flags & LED_SUSPENDED)) led_cdev->brightness_set(led_cdev, value); } static inline int led_set_brightness_sync(struct led_classdev *led_cdev, enum led_brightness value) { int ret = 0; led_cdev->brightness = min(value, led_cdev->max_brightness); if (!(led_cdev->flags & LED_SUSPENDED)) ret = led_cdev->brightness_set_sync(led_cdev, led_cdev->brightness); return ret; } static inline int led_get_brightness(struct led_classdev *led_cdev) { return led_cdev->brightness; } void led_stop_software_blink(struct led_classdev *led_cdev); extern struct rw_semaphore leds_list_lock; extern struct list_head leds_list; #endif /* __LEDS_H_INCLUDED */