xref: /linux/drivers/leds/leds.h (revision 96ac6d435100450f0565708d9b885ea2a7400e0a)
1 /*
2  * LED Core
3  *
4  * Copyright 2005 Openedhand Ltd.
5  *
6  * Author: Richard Purdie <rpurdie@openedhand.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12  */
13 #ifndef __LEDS_H_INCLUDED
14 #define __LEDS_H_INCLUDED
15 
16 #include <linux/rwsem.h>
17 #include <linux/leds.h>
18 
19 static inline int led_get_brightness(struct led_classdev *led_cdev)
20 {
21 	return led_cdev->brightness;
22 }
23 
24 void led_init_core(struct led_classdev *led_cdev);
25 void led_stop_software_blink(struct led_classdev *led_cdev);
26 void led_set_brightness_nopm(struct led_classdev *led_cdev,
27 				enum led_brightness value);
28 void led_set_brightness_nosleep(struct led_classdev *led_cdev,
29 				enum led_brightness value);
30 
31 extern struct rw_semaphore leds_list_lock;
32 extern struct list_head leds_list;
33 extern struct list_head trigger_list;
34 
35 #endif	/* __LEDS_H_INCLUDED */
36