linux/drivers/leds/ledtrig-ide-disk.c

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/*
* LED IDE-Disk Activity Trigger
*
* Copyright 2006 Openedhand Ltd.
*
* Author: Richard Purdie <rpurdie@openedhand.com>
*
* 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>
#define BLINK_DELAY 30
DEFINE_LED_TRIGGER(ledtrig_ide);
static unsigned long ide_blink_delay = BLINK_DELAY;
void ledtrig_ide_activity(void)
{
led_trigger_blink_oneshot(ledtrig_ide,
&ide_blink_delay, &ide_blink_delay, 0);
}
EXPORT_SYMBOL(ledtrig_ide_activity);
static int __init ledtrig_ide_init(void)
{
led_trigger_register_simple("ide-disk", &ledtrig_ide);
return 0;
}
static void __exit ledtrig_ide_exit(void)
{
led_trigger_unregister_simple(ledtrig_ide);
}
module_init(ledtrig_ide_init);
module_exit(ledtrig_ide_exit);
MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
MODULE_DESCRIPTION("LED IDE Disk Activity Trigger");
MODULE_LICENSE("GPL");