1/* 2 * LED IDE-Disk Activity Trigger 3 * 4 * Copyright 2006 Openedhand Ltd. 5 * 6 * Author: Richard Purdie <rpurdie@openedhand.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 * 12 */ 13 14#include <linux/module.h> 15#include <linux/kernel.h> 16#include <linux/init.h> 17#include <linux/leds.h> 18 19#define BLINK_DELAY 30 20 21DEFINE_LED_TRIGGER(ledtrig_ide); 22static unsigned long ide_blink_delay = BLINK_DELAY; 23 24void ledtrig_ide_activity(void) 25{ 26 led_trigger_blink_oneshot(ledtrig_ide, 27 &ide_blink_delay, &ide_blink_delay, 0); 28} 29EXPORT_SYMBOL(ledtrig_ide_activity); 30 31static int __init ledtrig_ide_init(void) 32{ 33 led_trigger_register_simple("ide-disk", &ledtrig_ide); 34 return 0; 35} 36 37static void __exit ledtrig_ide_exit(void) 38{ 39 led_trigger_unregister_simple(ledtrig_ide); 40} 41 42module_init(ledtrig_ide_init); 43module_exit(ledtrig_ide_exit); 44 45MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>"); 46MODULE_DESCRIPTION("LED IDE Disk Activity Trigger"); 47MODULE_LICENSE("GPL"); 48