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2bfb646c RP |
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 | ||
2bfb646c RP |
14 | #include <linux/kernel.h> |
15 | #include <linux/init.h> | |
2bfb646c RP |
16 | #include <linux/leds.h> |
17 | ||
3740e49c | 18 | #define BLINK_DELAY 30 |
2bfb646c RP |
19 | |
20 | DEFINE_LED_TRIGGER(ledtrig_ide); | |
3740e49c | 21 | static unsigned long ide_blink_delay = BLINK_DELAY; |
2bfb646c RP |
22 | |
23 | void ledtrig_ide_activity(void) | |
24 | { | |
3740e49c FB |
25 | led_trigger_blink_oneshot(ledtrig_ide, |
26 | &ide_blink_delay, &ide_blink_delay, 0); | |
2bfb646c RP |
27 | } |
28 | EXPORT_SYMBOL(ledtrig_ide_activity); | |
29 | ||
2bfb646c RP |
30 | static int __init ledtrig_ide_init(void) |
31 | { | |
32 | led_trigger_register_simple("ide-disk", &ledtrig_ide); | |
33 | return 0; | |
34 | } | |
067a8f3c | 35 | device_initcall(ledtrig_ide_init); |