Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
        return 0;
 }
 
-int mdfld_get_brightness(struct backlight_device *bd)
+static int mdfld_get_brightness(struct backlight_device *bd)
 {
        struct drm_device *dev =
                (struct drm_device *)bl_get_data(mdfld_backlight_device);
        return 0;
 }
 
-int mdfld_backlight_init(struct drm_device *dev)
+static int mdfld_backlight_init(struct drm_device *dev)
 {
        struct backlight_properties props;
        int ret = 0;