From f1dfc6d2a2f670a7b24644f3377962ac214b3419 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 4 Mar 2019 18:23:06 -0700
Subject: [PATCH] do not disconnect MidiPortSelection-flagged ports  from
 everything when (MIDI track) selection changes

If the user manually connects such a port to something, then it is
up the user to disconnect it too
---
 libs/ardour/session_midi.cc | 2 --
 1 file changed, 2 deletions(-)

diff --git a/libs/ardour/session_midi.cc b/libs/ardour/session_midi.cc
index d7ae764955..4d1653b7f7 100644
--- a/libs/ardour/session_midi.cc
+++ b/libs/ardour/session_midi.cc
@@ -756,8 +756,6 @@ Session::rewire_selected_midi (boost::shared_ptr<MidiTrack> new_midi_target)
 		}
 
 		for (vector<string>::const_iterator p = msp.begin(); p != msp.end(); ++p) {
-			/* disconnect the port from everything */
-			AudioEngine::instance()->disconnect (*p);
 			/* connect it to the new target */
 			new_midi_target->input()->connect (new_midi_target->input()->nth(0), (*p), this);
 		}