/*
   * 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_cdev->max_brightness)
  		value = led_cdev->max_brightness;

  	led_cdev->brightness = value;
  	if (!(led_cdev->flags & LED_SUSPENDED))
  		led_cdev->brightness_set(led_cdev, value);
  }

  static inline int led_get_brightness(struct led_classdev *led_cdev)
  {
  	return led_cdev->brightness;
  }

  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);

  void led_trigger_remove(struct led_classdev *led_cdev);

  
  static inline void *led_get_trigger_data(struct led_classdev *led_cdev)
  {
  	return led_cdev->trigger_data;
  }

  #else

  #define led_trigger_set_default(x) do {} while (0)
  #define led_trigger_set(x, y) do {} while (0)
  #define led_trigger_remove(x) do {} while (0)

  #define led_get_trigger_data(x) (NULL)

  #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 */