// SPDX-License-Identifier: GPL-2.0-only/* * LED Disk Activity Trigger * * Copyright 2006 Openedhand Ltd. * * Author: Richard Purdie <rpurdie@openedhand.com> */ #include <linux/kernel.h>#include <linux/init.h>#include <linux/leds.h> #define BLINK_DELAY 30 DEFINE_LED_TRIGGER(ledtrig_disk);DEFINE_LED_TRIGGER(ledtrig_disk_read);DEFINE_LED_TRIGGER(ledtrig_disk_write); void ledtrig_disk_activity(bool write){	led_trigger_blink_oneshot(ledtrig_disk, BLINK_DELAY, BLINK_DELAY, 0);	if (write)		led_trigger_blink_oneshot(ledtrig_disk_write,					  BLINK_DELAY, BLINK_DELAY, 0);	else		led_trigger_blink_oneshot(ledtrig_disk_read,					  BLINK_DELAY, BLINK_DELAY, 0);}EXPORT_SYMBOL(ledtrig_disk_activity); static int __init ledtrig_disk_init(void){	led_trigger_register_simple("disk-activity", &ledtrig_disk);	led_trigger_register_simple("disk-read", &ledtrig_disk_read);	led_trigger_register_simple("disk-write", &ledtrig_disk_write); 	return 0;}device_initcall(ledtrig_disk_init);