diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c
index b0e1e8ba4d9f86f7daf0b63d658f0d9026c5496e..7ab2d2a04e41a8aca4dc6e9e14a104fbebbe3cd3 100644
--- a/drivers/video/backlight/lm3639_bl.c
+++ b/drivers/video/backlight/lm3639_bl.c
@@ -214,7 +214,7 @@ static ssize_t lm3639_bled_mode_store(struct device *dev,
 
 }
 
-static DEVICE_ATTR(bled_mode, 0666, NULL, lm3639_bled_mode_store);
+static DEVICE_ATTR(bled_mode, S_IWUSR, NULL, lm3639_bled_mode_store);
 
 /* torch */
 static void lm3639_torch_brightness_set(struct led_classdev *cdev,