|  | /* | 
|  | * 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 */ |