swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
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Tip revision: bb176f67090ca54869fc1262c913aa69d2ede070 authored by Linus Torvalds on 23 October 2017, 10:49:47 UTC
Linux 4.14-rc6
Tip revision: bb176f6
ledtrig-default-on.c
/*
 * LED Kernel Default ON Trigger
 *
 * Copyright 2008 Nick Forbes <nick.forbes@incepta.com>
 *
 * Based on Richard Purdie's ledtrig-timer.c.
 *
 * 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.
 *
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/leds.h>
#include "../leds.h"

static void defon_trig_activate(struct led_classdev *led_cdev)
{
	led_set_brightness_nosleep(led_cdev, led_cdev->max_brightness);
}

static struct led_trigger defon_led_trigger = {
	.name     = "default-on",
	.activate = defon_trig_activate,
};

static int __init defon_trig_init(void)
{
	return led_trigger_register(&defon_led_trigger);
}

static void __exit defon_trig_exit(void)
{
	led_trigger_unregister(&defon_led_trigger);
}

module_init(defon_trig_init);
module_exit(defon_trig_exit);

MODULE_AUTHOR("Nick Forbes <nick.forbes@incepta.com>");
MODULE_DESCRIPTION("Default-ON LED trigger");
MODULE_LICENSE("GPL");
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