1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 5f9cd963213d..72647429adf6 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -9,6 +9,7 @@
 #define _LINUX_BACKLIGHT_H
 
 #include <linux/device.h>
+#include <linux/fb.h>
 #include <linux/mutex.h>
 #include <linux/notifier.h>
 
@@ -104,6 +105,11 @@ struct backlight_device {
         struct list_head entry;
 
         struct device dev;
+
+        /* Multiple framebuffers may share one backlight device */
+        bool fb_bl_on[FB_MAX];
+
+        int use_count;
 };
 
 static inline void backlight_update_status(struct backlight_device *bd)