Tracks uses -inf gain on newly created tracks

libs/ardour/session.cc

@@ -2684,7 +2684,7 @@ Session::reconnect_mtc_ports()
 			MtcOrLtcInputPortChanged (); //emit signal
 		}
 	}
-#endif
+#endifs
 }
 
 void
@@ -2763,6 +2763,20 @@ Session::new_audio_track (int input_channels, int output_channels, TrackMode mod
 				goto failed;
 			}
 
+			if (ARDOUR::Profile->get_trx ()) {
+				// TRACKS considers it's not a USE CASE, it's
+				// a piece of behavior of the session model:
+				//
+				// Gain for a newly created route depends on
+				// the current output_auto_connect mode:
+				//
+				//  0 for Stereo Out mode
+				//  0 Multi Out mode
+				if (Config->get_output_auto_connect() & AutoConnectMaster) {
+					track->set_gain (dB_to_coefficient (0), 0);
+				}
+			}
+
 			track->use_new_diskstream();
 
 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS