LXR linux/drivers/leds/trigger/ledtrig-default-on.c

   1/*
   2 * LED Kernel Default ON Trigger
   3 *
   4 * Copyright 2008 Nick Forbes <nick.forbes@incepta.com>
   5 *
   6 * Based on Richard Purdie's ledtrig-timer.c.
   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
  14#include <linux/module.h>
  15#include <linux/kernel.h>
  16#include <linux/init.h>
  17#include <linux/leds.h>
  18#include "../leds.h"
  19
  20static void defon_trig_activate(struct led_classdev *led_cdev)
  21{
  22        led_set_brightness_nosleep(led_cdev, led_cdev->max_brightness);
  23}
  24
  25static struct led_trigger defon_led_trigger = {
  26        .name     = "default-on",
  27        .activate = defon_trig_activate,
  28};
  29
  30static int __init defon_trig_init(void)
  31{
  32        return led_trigger_register(&defon_led_trigger);
  33}
  34
  35static void __exit defon_trig_exit(void)
  36{
  37        led_trigger_unregister(&defon_led_trigger);
  38}
  39
  40module_init(defon_trig_init);
  41module_exit(defon_trig_exit);
  42
  43MODULE_AUTHOR("Nick Forbes <nick.forbes@incepta.com>");
  44MODULE_DESCRIPTION("Default-ON LED trigger");
  45MODULE_LICENSE("GPL");
  46