| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 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> |
| 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); |