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Richard Purdiec72a1d62006-03-31 02:31:04 -08001/*
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
Richard Purdief8a7c6f2007-07-08 23:19:31 +010016#include <linux/device.h>
Richard Purdiec72a1d62006-03-31 02:31:04 -080017#include <linux/leds.h>
18
19static 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
29extern rwlock_t leds_list_lock;
30extern struct list_head leds_list;
31
Richard Purdiec3bc9952006-03-31 02:31:05 -080032#ifdef CONFIG_LEDS_TRIGGERS
33void led_trigger_set_default(struct led_classdev *led_cdev);
34void 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
Richard Purdief8a7c6f2007-07-08 23:19:31 +010041ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
42 const char *buf, size_t count);
43ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
44 char *buf);
Richard Purdiec3bc9952006-03-31 02:31:05 -080045
Richard Purdiec72a1d62006-03-31 02:31:04 -080046#endif /* __LEDS_H_INCLUDED */