leds/trigger/ledtrig-default-on.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * LED Kernel Default ON Trigger
0004  *
0005  * Copyright 2008 Nick Forbes <nick.forbes@incepta.com>
0006  *
0007  * Based on Richard Purdie's ledtrig-timer.c.
0008  */
0009
0010 #include <linux/module.h>
0011 #include <linux/kernel.h>
0012 #include <linux/init.h>
0013 #include <linux/leds.h>
0014 #include "../leds.h"
0015
0016 static int defon_trig_activate(struct led_classdev *led_cdev)
0017 {
0018     led_set_brightness_nosleep(led_cdev, led_cdev->max_brightness);
0019     return 0;
0020 }
0021
0022 static struct led_trigger defon_led_trigger = {
0023     .name     = "default-on",
0024     .activate = defon_trig_activate,
0025 };
0026 module_led_trigger(defon_led_trigger);
0027
0028 MODULE_AUTHOR("Nick Forbes <nick.forbes@incepta.com>");
0029 MODULE_DESCRIPTION("Default-ON LED trigger");
0030 MODULE_LICENSE("GPL v2");