| /* |
| * 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 */ |