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 
21 DEFINE_LED_TRIGGER(ledtrig_ide);
22 static unsigned long ide_blink_delay = BLINK_DELAY;
23 
ledtrig_ide_activity(void)24 void ledtrig_ide_activity(void)
25 {
26 	led_trigger_blink_oneshot(ledtrig_ide,
27 				  &ide_blink_delay, &ide_blink_delay, 0);
28 }
29 EXPORT_SYMBOL(ledtrig_ide_activity);
30 
ledtrig_ide_init(void)31 static int __init ledtrig_ide_init(void)
32 {
33 	led_trigger_register_simple("ide-disk", &ledtrig_ide);
34 	return 0;
35 }
36 
ledtrig_ide_exit(void)37 static void __exit ledtrig_ide_exit(void)
38 {
39 	led_trigger_unregister_simple(ledtrig_ide);
40 }
41 
42 module_init(ledtrig_ide_init);
43 module_exit(ledtrig_ide_exit);
44 
45 MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
46 MODULE_DESCRIPTION("LED IDE Disk Activity Trigger");
47 MODULE_LICENSE("GPL");
48