return connector_status_connected;
 }
 
-struct drm_encoder *udl_best_single_encoder(struct drm_connector *connector)
+static struct drm_encoder*
+udl_best_single_encoder(struct drm_connector *connector)
 {
        int enc_id = connector->encoder_ids[0];
        struct drm_mode_object *obj;
        return encoder;
 }
 
-int udl_connector_set_property(struct drm_connector *connector, struct drm_property *property,
-                              uint64_t val)
+static int udl_connector_set_property(struct drm_connector *connector,
+                                     struct drm_property *property,
+                                     uint64_t val)
 {
        return 0;
 }
        kfree(connector);
 }
 
-struct drm_connector_helper_funcs udl_connector_helper_funcs = {
+static struct drm_connector_helper_funcs udl_connector_helper_funcs = {
        .get_modes = udl_get_modes,
        .mode_valid = udl_mode_valid,
        .best_encoder = udl_best_single_encoder,
 };
 
-struct drm_connector_funcs udl_connector_funcs = {
+static struct drm_connector_funcs udl_connector_funcs = {
        .dpms = drm_helper_connector_dpms,
        .detect = udl_detect,
        .fill_modes = drm_helper_probe_single_connector_modes,