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 #include <linux/module.h>
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/leds.h>
  17 #include "../leds.h"
  18
  19 static int defon_trig_activate(struct led_classdev *led_cdev)
  20 {
  21         led_set_brightness_nosleep(led_cdev, led_cdev->max_brightness);
  22         return 0;
  23 }
  24
  25 static struct led_trigger defon_led_trigger = {
  26         .name     = "default-on",
  27         .activate = defon_trig_activate,
  28 };
  29 module_led_trigger(defon_led_trigger);
  30
  31 MODULE_AUTHOR("Nick Forbes <nick.forbes@incepta.com>");
  32 MODULE_DESCRIPTION("Default-ON LED trigger");
  33 MODULE_LICENSE("GPL v2");