result = _bt_send_request(BT_BLUEZ_SERVICE, BT_GET_CONNECTED_LINK_TYPE,
in_param1, in_param2, in_param3, in_param4, &out_param);
result = _bt_send_request(BT_BLUEZ_SERVICE, BT_GET_CONNECTED_LINK_TYPE,
in_param1, in_param2, in_param3, in_param4, &out_param);