linux-stable/drivers/leds/trigger/ledtrig-default-on.c
Heiner Kallweit 7e1121138c leds: triggers: default-on: Add module alias for module auto-loading
A bigger number of board device tree files, plus few drivers, set
default-on as default trigger for LED's. Therefore add an alias for
module auto-loading.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/7e94d26b-d772-4a07-b0f6-bb3111b9ff75@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-03-07 08:48:00 +00:00

32 lines
771 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* LED Kernel Default ON Trigger
*
* Copyright 2008 Nick Forbes <nick.forbes@incepta.com>
*
* Based on Richard Purdie's ledtrig-timer.c.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/leds.h>
#include "../leds.h"
static int defon_trig_activate(struct led_classdev *led_cdev)
{
led_set_brightness_nosleep(led_cdev, led_cdev->max_brightness);
return 0;
}
static struct led_trigger defon_led_trigger = {
.name = "default-on",
.activate = defon_trig_activate,
};
module_led_trigger(defon_led_trigger);
MODULE_AUTHOR("Nick Forbes <nick.forbes@incepta.com>");
MODULE_DESCRIPTION("Default-ON LED trigger");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("ledtrig:default-on");