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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * LED Kernel Default ON Trigger
   4  *
   5  * Copyright 2008 Nick Forbes <nick.forbes@incepta.com>
   6  *
   7  * Based on Richard Purdie's ledtrig-timer.c.
   8  */
   9
  10 #include <linux/module.h>
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/leds.h>
  14 #include "../leds.h"
  15
  16 static int defon_trig_activate(struct led_classdev *led_cdev)
  17 {
  18         led_set_brightness_nosleep(led_cdev, led_cdev->max_brightness);
  19         return 0;
  20 }
  21
  22 static struct led_trigger defon_led_trigger = {
  23         .name     = "default-on",
  24         .activate = defon_trig_activate,
  25 };
  26 module_led_trigger(defon_led_trigger);
  27
  28 MODULE_AUTHOR("Nick Forbes <nick.forbes@incepta.com>");
  29 MODULE_DESCRIPTION("Default-ON LED trigger");
  30 MODULE_LICENSE("GPL v2");