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leds.h

/*
 * LED Core
 *
 * Copyright 2005 Openedhand Ltd.
 *
 * Author: Richard Purdie <rpurdie@openedhand.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */
#ifndef __LEDS_H_INCLUDED
#define __LEDS_H_INCLUDED

#include <linux/device.h>
#include <linux/rwsem.h>
#include <linux/leds.h>

static inline void led_set_brightness(struct led_classdev *led_cdev,
                              enum led_brightness value)
{
      if (value > LED_FULL)
            value = LED_FULL;
      led_cdev->brightness = value;
      if (!(led_cdev->flags & LED_SUSPENDED))
            led_cdev->brightness_set(led_cdev, value);
}

extern struct rw_semaphore leds_list_lock;
extern struct list_head leds_list;

#ifdef CONFIG_LEDS_TRIGGERS
void led_trigger_set_default(struct led_classdev *led_cdev);
void led_trigger_set(struct led_classdev *led_cdev,
                  struct led_trigger *trigger);
#else
#define led_trigger_set_default(x) do {} while(0)
#define led_trigger_set(x, y) do {} while(0)
#endif

ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
                  const char *buf, size_t count);
ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
                  char *buf);

#endif      /* __LEDS_H_INCLUDED */

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