projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| 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 | ||
| 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 | { | |
| 6fa3eb70 S |
23 | |
| 24 | /* | |
| 25 | * Native linux kernel code | |
| 26 | */ | |
| 27 | if (value > led_cdev->max_brightness) | |
| 28 | value = led_cdev->max_brightness; | |
| 29 | ||
| 30 | led_cdev->brightness = value; | |
| 31 | if (!(led_cdev->flags & LED_SUSPENDED)) | |
| 32 | led_cdev->brightness_set(led_cdev, value); | |
| 33 | ||
| c72a1d60 RP |
34 | } |
| 35 | ||
| 0013b23d NM |
36 | static inline int led_get_brightness(struct led_classdev *led_cdev) |
| 37 | { | |
| 38 | return led_cdev->brightness; | |
| 39 | } | |
| 40 | ||
| d23a22a7 FB |
41 | void led_stop_software_blink(struct led_classdev *led_cdev); |
| 42 | ||
| 72f8da32 | 43 | extern struct rw_semaphore leds_list_lock; |
| c72a1d60 RP |
44 | extern struct list_head leds_list; |
| 45 | ||
| c3bc9956 RP |
46 | #ifdef CONFIG_LEDS_TRIGGERS |
| 47 | void led_trigger_set_default(struct led_classdev *led_cdev); | |
| 48 | void led_trigger_set(struct led_classdev *led_cdev, | |
| 49 | struct led_trigger *trigger); | |
| 0013b23d | 50 | void led_trigger_remove(struct led_classdev *led_cdev); |
| fff26f81 EH |
51 | |
| 52 | static inline void *led_get_trigger_data(struct led_classdev *led_cdev) | |
| 53 | { | |
| 54 | return led_cdev->trigger_data; | |
| 55 | } | |
| 56 | ||
| c3bc9956 | 57 | #else |
| 4d404fd5 NM |
58 | #define led_trigger_set_default(x) do {} while (0) |
| 59 | #define led_trigger_set(x, y) do {} while (0) | |
| 60 | #define led_trigger_remove(x) do {} while (0) | |
| fff26f81 | 61 | #define led_get_trigger_data(x) (NULL) |
| c3bc9956 RP |
62 | #endif |
| 63 | ||
| f8a7c6fe RP |
64 | ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr, |
| 65 | const char *buf, size_t count); | |
| 66 | ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr, | |
| 67 | char *buf); | |
| c3bc9956 | 68 | |
| c72a1d60 | 69 | #endif /* __LEDS_H_INCLUDED */ |