diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 0b5897446dca..a5a50e784548 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -13,6 +13,7 @@
 #include <linux/fb.h>
 #include <linux/mutex.h>
 #include <linux/notifier.h>
+#include <linux/thermal.h>
 
 /* Notes on locking:
  *
@@ -106,6 +107,12 @@ struct backlight_device {
 	struct list_head entry;
 
 	struct device dev;
+	/* Backlight cooling device */
+	struct thermal_cooling_device *cdev;
+	/* Thermally limited max brightness */
+	int thermal_brightness_limit;
+	/* User brightness request */
+	int usr_brightness_req;
 
 	/* Multiple framebuffers may share one backlight device */
 	bool fb_bl_on[FB_MAX];