tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * LED MTD trigger
3 *
4 * Copyright 2016 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
5 *
6 * Based on LED IDE-Disk Activity Trigger
7 *
8 * Copyright 2006 Openedhand Ltd.
9 *
10 * Author: Richard Purdie <rpurdie@openedhand.com>
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 *
16 */
17
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/leds.h>
21
22#define BLINK_DELAY 30
23
24DEFINE_LED_TRIGGER(ledtrig_mtd);
25DEFINE_LED_TRIGGER(ledtrig_nand);
26
27void ledtrig_mtd_activity(void)
28{
29 unsigned long blink_delay = BLINK_DELAY;
30
31 led_trigger_blink_oneshot(ledtrig_mtd,
32 &blink_delay, &blink_delay, 0);
33 led_trigger_blink_oneshot(ledtrig_nand,
34 &blink_delay, &blink_delay, 0);
35}
36EXPORT_SYMBOL(ledtrig_mtd_activity);
37
38static int __init ledtrig_mtd_init(void)
39{
40 led_trigger_register_simple("mtd", &ledtrig_mtd);
41 led_trigger_register_simple("nand-disk", &ledtrig_nand);
42
43 return 0;
44}
45device_initcall(ledtrig_mtd_init);