diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index c98bdbf..df937ce 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -273,7 +273,7 @@
 	struct backlight_device *bl;
 	struct backlight_properties props;
 	struct lp855x_platform_data *pdata = lp->pdata;
-	char *name = pdata->name ? : DEFAULT_BL_NAME;
+	const char *name = pdata->name ? : DEFAULT_BL_NAME;
 
 	props.type = BACKLIGHT_PLATFORM;
 	props.max_brightness = MAX_BRIGHTNESS;