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Commit | Line | Data |
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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 | ||
f8a7c6fe | 16 | #include <linux/device.h> |
72f8da32 | 17 | #include <linux/rwsem.h> |
c72a1d60 RP |
18 | #include <linux/leds.h> |
19 | ||
20 | static inline void led_set_brightness(struct led_classdev *led_cdev, | |
21 | enum led_brightness value) | |
22 | { | |
23 | if (value > LED_FULL) | |
24 | value = LED_FULL; | |
25 | led_cdev->brightness = value; | |
26 | if (!(led_cdev->flags & LED_SUSPENDED)) | |
27 | led_cdev->brightness_set(led_cdev, value); | |
28 | } | |
29 | ||
72f8da32 | 30 | extern struct rw_semaphore leds_list_lock; |
c72a1d60 RP |
31 | extern struct list_head leds_list; |
32 | ||
c3bc9956 RP |
33 | #ifdef CONFIG_LEDS_TRIGGERS |
34 | void led_trigger_set_default(struct led_classdev *led_cdev); | |
35 | void led_trigger_set(struct led_classdev *led_cdev, | |
36 | struct led_trigger *trigger); | |
37 | #else | |
38 | #define led_trigger_set_default(x) do {} while(0) | |
39 | #define led_trigger_set(x, y) do {} while(0) | |
40 | #endif | |
41 | ||
f8a7c6fe RP |
42 | ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr, |
43 | const char *buf, size_t count); | |
44 | ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr, | |
45 | char *buf); | |
c3bc9956 | 46 | |
c72a1d60 | 47 | #endif /* __LEDS_H_INCLUDED */ |