| Stephan Linz | eb25cb9 | 2016-06-10 07:59:56 +0200 | [diff] [blame] | 1 | /* |
| 2 | * LED 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/kernel.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/leds.h> |
| 17 | |
| 18 | #define BLINK_DELAY 30 |
| 19 | |
| 20 | DEFINE_LED_TRIGGER(ledtrig_disk); |
| 21 | DEFINE_LED_TRIGGER(ledtrig_ide); |
| 22 | |
| 23 | void ledtrig_disk_activity(void) |
| 24 | { |
| 25 | unsigned long blink_delay = BLINK_DELAY; |
| 26 | |
| 27 | led_trigger_blink_oneshot(ledtrig_disk, |
| 28 | &blink_delay, &blink_delay, 0); |
| 29 | led_trigger_blink_oneshot(ledtrig_ide, |
| 30 | &blink_delay, &blink_delay, 0); |
| 31 | } |
| 32 | EXPORT_SYMBOL(ledtrig_disk_activity); |
| 33 | |
| 34 | static int __init ledtrig_disk_init(void) |
| 35 | { |
| 36 | led_trigger_register_simple("disk-activity", &ledtrig_disk); |
| 37 | led_trigger_register_simple("ide-disk", &ledtrig_ide); |
| 38 | |
| 39 | return 0; |
| 40 | } |
| 41 | device_initcall(ledtrig_disk_init); |