xref: /linux/drivers/leds/trigger/ledtrig-default-on.c (revision 3d0fe49454652117522f60bfbefb978ba0e5300b)
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");
31