Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * LED Disk Activity Trigger
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2006 Openedhand Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Author: Richard Purdie <rpurdie@openedhand.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/leds.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define BLINK_DELAY 30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) DEFINE_LED_TRIGGER(ledtrig_disk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) DEFINE_LED_TRIGGER(ledtrig_disk_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) DEFINE_LED_TRIGGER(ledtrig_disk_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) DEFINE_LED_TRIGGER(ledtrig_ide);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) void ledtrig_disk_activity(bool write)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	unsigned long blink_delay = BLINK_DELAY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	led_trigger_blink_oneshot(ledtrig_disk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 				  &blink_delay, &blink_delay, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	led_trigger_blink_oneshot(ledtrig_ide,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 				  &blink_delay, &blink_delay, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	if (write)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		led_trigger_blink_oneshot(ledtrig_disk_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 					  &blink_delay, &blink_delay, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		led_trigger_blink_oneshot(ledtrig_disk_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 					  &blink_delay, &blink_delay, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) EXPORT_SYMBOL(ledtrig_disk_activity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int __init ledtrig_disk_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	led_trigger_register_simple("disk-activity", &ledtrig_disk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	led_trigger_register_simple("disk-read", &ledtrig_disk_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	led_trigger_register_simple("disk-write", &ledtrig_disk_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	led_trigger_register_simple("ide-disk", &ledtrig_ide);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) device_initcall(ledtrig_disk_init);