| 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 | led_trigger_blink_oneshot(trigger: ledtrig_mtd, BLINK_DELAY, BLINK_DELAY, invert: 0); |
| 26 | led_trigger_blink_oneshot(trigger: ledtrig_nand, BLINK_DELAY, BLINK_DELAY, invert: 0); |
| 27 | } |
| 28 | EXPORT_SYMBOL(ledtrig_mtd_activity); |
| 29 | |
| 30 | static int __init ledtrig_mtd_init(void) |
| 31 | { |
| 32 | led_trigger_register_simple(name: "mtd", trigger: &ledtrig_mtd); |
| 33 | led_trigger_register_simple(name: "nand-disk", trigger: &ledtrig_nand); |
| 34 | |
| 35 | return 0; |
| 36 | } |
| 37 | device_initcall(ledtrig_mtd_init); |
| 38 |