From 43bed39d302b0781736809af3548dced0189cfd7 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Thu, 20 Feb 2020 19:13:58 +0100
Subject: [PATCH] Reset MIDI-control when a given ctrl is not available

This fixes an issue with "/route/eq/freq/0 S1":
When a newly select strip that does not have a EQ
(e.g. mixbus or master), the control from the previously
selected strip is used.  -- Reported by tavasti on IRC.
---
 libs/surfaces/generic_midi/midicontrollable.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/surfaces/generic_midi/midicontrollable.cc b/libs/surfaces/generic_midi/midicontrollable.cc
index 916c5a8a24..5a75afc89a 100644
--- a/libs/surfaces/generic_midi/midicontrollable.cc
+++ b/libs/surfaces/generic_midi/midicontrollable.cc
@@ -270,6 +270,7 @@ MIDIControllable::lookup_controllable()
 	boost::shared_ptr<Controllable> c = _surface->lookup_controllable (_current_uri);
 
 	if (!c) {
+		set_controllable (boost::shared_ptr<PBD::Controllable>());
 		return -1;
 	}