default to disabling visual light control

protocol/artistic/artnet/controller.cpp

@@ -31,7 +31,7 @@ Controller::Controller()
     , _periodic_polling_enabled(true)
     , _pollster(std::thread(&Controller::_periodic_polling, this))
     , last_poll(std::chrono::system_clock::from_time_t(0))
-    , _talktome_request()
+    , _talktome_request({.VLC_disable=true})
     , _priority_request(DpCritial)
 {
 }
@@ -74,8 +74,6 @@ void Controller::setPriorityRequest(Priority priority)
 
 /**
  * @brief Controller::txArtPoll
- * @param talkToMe
- * @param priority
  */
 void Controller::txArtPoll()
 {