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 | ||
0da3e65b | 20 | static inline void __led_set_brightness(struct led_classdev *led_cdev, |
c72a1d60 RP |
21 | enum led_brightness value) |
22 | { | |
1bd465e6 GL |
23 | if (value > led_cdev->max_brightness) |
24 | value = led_cdev->max_brightness; | |
c72a1d60 RP |
25 | led_cdev->brightness = value; |
26 | if (!(led_cdev->flags & LED_SUSPENDED)) | |
27 | led_cdev->brightness_set(led_cdev, value); | |
28 | } | |
29 | ||
0013b23d NM |
30 | static inline int led_get_brightness(struct led_classdev *led_cdev) |
31 | { | |
32 | return led_cdev->brightness; | |
33 | } | |
34 | ||
d23a22a7 FB |
35 | void led_stop_software_blink(struct led_classdev *led_cdev); |
36 | ||
72f8da32 | 37 | extern struct rw_semaphore leds_list_lock; |
c72a1d60 RP |
38 | extern struct list_head leds_list; |
39 | ||
c3bc9956 RP |
40 | #ifdef CONFIG_LEDS_TRIGGERS |
41 | void led_trigger_set_default(struct led_classdev *led_cdev); | |
42 | void led_trigger_set(struct led_classdev *led_cdev, | |
43 | struct led_trigger *trigger); | |
0013b23d | 44 | void led_trigger_remove(struct led_classdev *led_cdev); |
fff26f81 EH |
45 | |
46 | static inline void *led_get_trigger_data(struct led_classdev *led_cdev) | |
47 | { | |
48 | return led_cdev->trigger_data; | |
49 | } | |
50 | ||
c3bc9956 | 51 | #else |
4d404fd5 NM |
52 | #define led_trigger_set_default(x) do {} while (0) |
53 | #define led_trigger_set(x, y) do {} while (0) | |
54 | #define led_trigger_remove(x) do {} while (0) | |
fff26f81 | 55 | #define led_get_trigger_data(x) (NULL) |
c3bc9956 RP |
56 | #endif |
57 | ||
f8a7c6fe RP |
58 | ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr, |
59 | const char *buf, size_t count); | |
60 | ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr, | |
61 | char *buf); | |
c3bc9956 | 62 | |
c72a1d60 | 63 | #endif /* __LEDS_H_INCLUDED */ |