xref: /OK3568_Linux_fs/kernel/drivers/leds/trigger/ledtrig-default-on.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * LED Kernel Default ON Trigger
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright 2008 Nick Forbes <nick.forbes@incepta.com>
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Based on Richard Purdie's ledtrig-timer.c.
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <linux/module.h>
11*4882a593Smuzhiyun #include <linux/kernel.h>
12*4882a593Smuzhiyun #include <linux/init.h>
13*4882a593Smuzhiyun #include <linux/leds.h>
14*4882a593Smuzhiyun #include "../leds.h"
15*4882a593Smuzhiyun 
defon_trig_activate(struct led_classdev * led_cdev)16*4882a593Smuzhiyun static int defon_trig_activate(struct led_classdev *led_cdev)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun 	led_set_brightness_nosleep(led_cdev, led_cdev->max_brightness);
19*4882a593Smuzhiyun 	return 0;
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun static struct led_trigger defon_led_trigger = {
23*4882a593Smuzhiyun 	.name     = "default-on",
24*4882a593Smuzhiyun 	.activate = defon_trig_activate,
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun module_led_trigger(defon_led_trigger);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun MODULE_AUTHOR("Nick Forbes <nick.forbes@incepta.com>");
29*4882a593Smuzhiyun MODULE_DESCRIPTION("Default-ON LED trigger");
30*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
31