162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * LED MTD trigger 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright 2016 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * Based on LED IDE-Disk Activity Trigger 862306a36Sopenharmony_ci * 962306a36Sopenharmony_ci * Copyright 2006 Openedhand Ltd. 1062306a36Sopenharmony_ci * 1162306a36Sopenharmony_ci * Author: Richard Purdie <rpurdie@openedhand.com> 1262306a36Sopenharmony_ci */ 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#include <linux/kernel.h> 1562306a36Sopenharmony_ci#include <linux/init.h> 1662306a36Sopenharmony_ci#include <linux/leds.h> 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci#define BLINK_DELAY 30 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ciDEFINE_LED_TRIGGER(ledtrig_mtd); 2162306a36Sopenharmony_ciDEFINE_LED_TRIGGER(ledtrig_nand); 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_civoid ledtrig_mtd_activity(void) 2462306a36Sopenharmony_ci{ 2562306a36Sopenharmony_ci led_trigger_blink_oneshot(ledtrig_mtd, BLINK_DELAY, BLINK_DELAY, 0); 2662306a36Sopenharmony_ci led_trigger_blink_oneshot(ledtrig_nand, BLINK_DELAY, BLINK_DELAY, 0); 2762306a36Sopenharmony_ci} 2862306a36Sopenharmony_ciEXPORT_SYMBOL(ledtrig_mtd_activity); 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistatic int __init ledtrig_mtd_init(void) 3162306a36Sopenharmony_ci{ 3262306a36Sopenharmony_ci led_trigger_register_simple("mtd", &ledtrig_mtd); 3362306a36Sopenharmony_ci led_trigger_register_simple("nand-disk", &ledtrig_nand); 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci return 0; 3662306a36Sopenharmony_ci} 3762306a36Sopenharmony_cidevice_initcall(ledtrig_mtd_init); 38