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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * LED MTD trigger4 *5 * Copyright 2016 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>6 *7 * Based on LED IDE-Disk Activity Trigger8 *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 3019 20DEFINE_LED_TRIGGER(ledtrig_mtd);21DEFINE_LED_TRIGGER(ledtrig_nand);22 23void ledtrig_mtd_activity(void)24{25 led_trigger_blink_oneshot(ledtrig_mtd, BLINK_DELAY, BLINK_DELAY, 0);26 led_trigger_blink_oneshot(ledtrig_nand, BLINK_DELAY, BLINK_DELAY, 0);27}28EXPORT_SYMBOL(ledtrig_mtd_activity);29 30static int __init ledtrig_mtd_init(void)31{32 led_trigger_register_simple("mtd", &ledtrig_mtd);33 led_trigger_register_simple("nand-disk", &ledtrig_nand);34 35 return 0;36}37device_initcall(ledtrig_mtd_init);38