Commit | Line | Data |
---|---|---|
c72a1d60 RP |
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 | ||
72f8da32 | 16 | #include <linux/rwsem.h> |
c72a1d60 RP |
17 | #include <linux/leds.h> |
18 | ||
4d71a4a1 | 19 | static inline void led_set_brightness_async(struct led_classdev *led_cdev, |
c72a1d60 RP |
20 | enum led_brightness value) |
21 | { | |
56d06fde GM |
22 | value = min(value, led_cdev->max_brightness); |
23 | led_cdev->brightness = value; | |
4d71a4a1 | 24 | |
c72a1d60 RP |
25 | if (!(led_cdev->flags & LED_SUSPENDED)) |
26 | led_cdev->brightness_set(led_cdev, value); | |
27 | } | |
28 | ||
4d71a4a1 JA |
29 | static inline int led_set_brightness_sync(struct led_classdev *led_cdev, |
30 | enum led_brightness value) | |
31 | { | |
32 | int ret = 0; | |
33 | ||
34 | led_cdev->brightness = min(value, led_cdev->max_brightness); | |
35 | ||
36 | if (!(led_cdev->flags & LED_SUSPENDED)) | |
37 | ret = led_cdev->brightness_set_sync(led_cdev, | |
38 | led_cdev->brightness); | |
39 | return ret; | |
40 | } | |
41 | ||
0013b23d NM |
42 | static inline int led_get_brightness(struct led_classdev *led_cdev) |
43 | { | |
44 | return led_cdev->brightness; | |
45 | } | |
46 | ||
d23a22a7 FB |
47 | void led_stop_software_blink(struct led_classdev *led_cdev); |
48 | ||
72f8da32 | 49 | extern struct rw_semaphore leds_list_lock; |
c72a1d60 RP |
50 | extern struct list_head leds_list; |
51 | ||
52 | #endif /* __LEDS_H_INCLUDED */ |