--- zzzz-none-000/linux-4.4.271/include/linux/leds.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/linux/leds.h	2023-04-19 10:22:30.000000000 +0000
@@ -21,6 +21,7 @@
 #include <linux/workqueue.h>
 
 struct device;
+struct device_node;
 /*
  * LED Core
  */
@@ -113,6 +114,11 @@
 extern void led_classdev_suspend(struct led_classdev *led_cdev);
 extern void led_classdev_resume(struct led_classdev *led_cdev);
 
+extern struct led_classdev *of_led_get(struct device_node *np, int index);
+extern void led_put(struct led_classdev *led_cdev);
+struct led_classdev *__must_check devm_of_led_get(struct device *dev,
+						  int index);
+
 /**
  * led_blink_set - set blinking with software fallback
  * @led_cdev: the LED to start blinking