1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * LED MTD trigger 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 2016 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Based on LED IDE-Disk Activity Trigger 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * Copyright 2006 Openedhand Ltd. 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * Author: Richard Purdie <rpurdie@openedhand.com> 12*4882a593Smuzhiyun */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #include <linux/kernel.h> 15*4882a593Smuzhiyun #include <linux/init.h> 16*4882a593Smuzhiyun #include <linux/leds.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #define BLINK_DELAY 30 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun DEFINE_LED_TRIGGER(ledtrig_mtd); 21*4882a593Smuzhiyun DEFINE_LED_TRIGGER(ledtrig_nand); 22*4882a593Smuzhiyun ledtrig_mtd_activity(void)23*4882a593Smuzhiyunvoid ledtrig_mtd_activity(void) 24*4882a593Smuzhiyun { 25*4882a593Smuzhiyun unsigned long blink_delay = BLINK_DELAY; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun led_trigger_blink_oneshot(ledtrig_mtd, 28*4882a593Smuzhiyun &blink_delay, &blink_delay, 0); 29*4882a593Smuzhiyun led_trigger_blink_oneshot(ledtrig_nand, 30*4882a593Smuzhiyun &blink_delay, &blink_delay, 0); 31*4882a593Smuzhiyun } 32*4882a593Smuzhiyun EXPORT_SYMBOL(ledtrig_mtd_activity); 33*4882a593Smuzhiyun ledtrig_mtd_init(void)34*4882a593Smuzhiyunstatic int __init ledtrig_mtd_init(void) 35*4882a593Smuzhiyun { 36*4882a593Smuzhiyun led_trigger_register_simple("mtd", &ledtrig_mtd); 37*4882a593Smuzhiyun led_trigger_register_simple("nand-disk", &ledtrig_nand); 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun return 0; 40*4882a593Smuzhiyun } 41*4882a593Smuzhiyun device_initcall(ledtrig_mtd_init); 42