Orange Pi5 kernel

// 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);
DEFINE_LED_TRIGGER(ledtrig_ide);
 
void ledtrig_disk_activity(bool write)
{
<------>unsigned long blink_delay = BLINK_DELAY;
 
<------>led_trigger_blink_oneshot(ledtrig_disk,
<------><------><------><------>  &blink_delay, &blink_delay, 0);
<------>led_trigger_blink_oneshot(ledtrig_ide,
<------><------><------><------>  &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);
<------>led_trigger_register_simple("ide-disk", &ledtrig_ide);
 
<------>return 0;
}
device_initcall(ledtrig_disk_init);