1 files changed, 6 insertions, 2 deletions

diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index adb14a8616df..1e7a69adbe6f 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -117,12 +117,16 @@ struct backlight_device {
         int use_count;
 };
 
-static inline void backlight_update_status(struct backlight_device *bd)
+static inline int backlight_update_status(struct backlight_device *bd)
 {
+        int ret = -ENOENT;
+
         mutex_lock(&bd->update_lock);
         if (bd->ops && bd->ops->update_status)
-                bd->ops->update_status(bd);
+                ret = bd->ops->update_status(bd);
         mutex_unlock(&bd->update_lock);
+
+        return ret;
 }
 
 extern struct backlight_device *backlight_device_register(const char *name,