File: ledtrig-disk.c

package info (click to toggle)
linux 4.9.25-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 794,052 kB
  • ctags: 3,033,799
  • sloc: ansic: 14,481,780; asm: 287,385; makefile: 35,234; perl: 27,553; sh: 15,791; python: 13,364; cpp: 6,087; yacc: 4,337; lex: 2,439; awk: 1,212; pascal: 231; lisp: 218; sed: 21
file content (41 lines) | stat: -rw-r--r-- 976 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/*
 * LED 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/kernel.h>
#include <linux/init.h>
#include <linux/leds.h>

#define BLINK_DELAY 30

DEFINE_LED_TRIGGER(ledtrig_disk);
DEFINE_LED_TRIGGER(ledtrig_ide);

void ledtrig_disk_activity(void)
{
	unsigned long blink_delay = BLINK_DELAY;

	led_trigger_blink_oneshot(ledtrig_disk,
				  &blink_delay, &blink_delay, 0);
	led_trigger_blink_oneshot(ledtrig_ide,
				  &blink_delay, &blink_delay, 0);
}
EXPORT_SYMBOL(ledtrig_disk_activity);

static int __init ledtrig_disk_init(void)
{
	led_trigger_register_simple("disk-activity", &ledtrig_disk);
	led_trigger_register_simple("ide-disk", &ledtrig_ide);

	return 0;
}
device_initcall(ledtrig_disk_init);