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