1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * LED Disk Activity Trigger
 4 *
 5 * Copyright 2006 Openedhand Ltd.
 6 *
 7 * Author: Richard Purdie <rpurdie@openedhand.com>
 
 
 
 
 
 8 */
 9
10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/leds.h>
13
14#define BLINK_DELAY 30
15
16DEFINE_LED_TRIGGER(ledtrig_disk);
17DEFINE_LED_TRIGGER(ledtrig_disk_read);
18DEFINE_LED_TRIGGER(ledtrig_disk_write);
 
19
20void ledtrig_disk_activity(bool write)
21{
22	led_trigger_blink_oneshot(ledtrig_disk, BLINK_DELAY, BLINK_DELAY, 0);
 
 
 
 
 
23	if (write)
24		led_trigger_blink_oneshot(ledtrig_disk_write,
25					  BLINK_DELAY, BLINK_DELAY, 0);
26	else
27		led_trigger_blink_oneshot(ledtrig_disk_read,
28					  BLINK_DELAY, BLINK_DELAY, 0);
29}
30EXPORT_SYMBOL(ledtrig_disk_activity);
31
32static int __init ledtrig_disk_init(void)
33{
34	led_trigger_register_simple("disk-activity", &ledtrig_disk);
35	led_trigger_register_simple("disk-read", &ledtrig_disk_read);
36	led_trigger_register_simple("disk-write", &ledtrig_disk_write);
 
37
38	return 0;
39}
40device_initcall(ledtrig_disk_init);

 
 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
20DEFINE_LED_TRIGGER(ledtrig_disk);
21DEFINE_LED_TRIGGER(ledtrig_disk_read);
22DEFINE_LED_TRIGGER(ledtrig_disk_write);
23DEFINE_LED_TRIGGER(ledtrig_ide);
24
25void ledtrig_disk_activity(bool write)
26{
27	unsigned long blink_delay = BLINK_DELAY;
28
29	led_trigger_blink_oneshot(ledtrig_disk,
30				  &blink_delay, &blink_delay, 0);
31	led_trigger_blink_oneshot(ledtrig_ide,
32				  &blink_delay, &blink_delay, 0);
33	if (write)
34		led_trigger_blink_oneshot(ledtrig_disk_write,
35					  &blink_delay, &blink_delay, 0);
36	else
37		led_trigger_blink_oneshot(ledtrig_disk_read,
38					  &blink_delay, &blink_delay, 0);
39}
40EXPORT_SYMBOL(ledtrig_disk_activity);
41
42static int __init ledtrig_disk_init(void)
43{
44	led_trigger_register_simple("disk-activity", &ledtrig_disk);
45	led_trigger_register_simple("disk-read", &ledtrig_disk_read);
46	led_trigger_register_simple("disk-write", &ledtrig_disk_write);
47	led_trigger_register_simple("ide-disk", &ledtrig_ide);
48
49	return 0;
50}
51device_initcall(ledtrig_disk_init);