Commit | Line | Data |
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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
4b721174 EG |
2 | /* |
3 | * LED MTD trigger | |
4 | * | |
5 | * Copyright 2016 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> | |
6 | * | |
7 | * Based on LED IDE-Disk Activity Trigger | |
8 | * | |
9 | * Copyright 2006 Openedhand Ltd. | |
10 | * | |
11 | * Author: Richard Purdie <rpurdie@openedhand.com> | |
4b721174 EG |
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_mtd); | |
21 | DEFINE_LED_TRIGGER(ledtrig_nand); | |
22 | ||
23 | void ledtrig_mtd_activity(void) | |
24 | { | |
25 | unsigned long blink_delay = BLINK_DELAY; | |
26 | ||
27 | led_trigger_blink_oneshot(ledtrig_mtd, | |
28 | &blink_delay, &blink_delay, 0); | |
29 | led_trigger_blink_oneshot(ledtrig_nand, | |
30 | &blink_delay, &blink_delay, 0); | |
31 | } | |
32 | EXPORT_SYMBOL(ledtrig_mtd_activity); | |
33 | ||
34 | static int __init ledtrig_mtd_init(void) | |
35 | { | |
36 | led_trigger_register_simple("mtd", &ledtrig_mtd); | |
37 | led_trigger_register_simple("nand-disk", &ledtrig_nand); | |
38 | ||
39 | return 0; | |
40 | } | |
41 | device_initcall(ledtrig_mtd_init); |