From 5e853d0977d92e759dccac368c4eab842b16fb46 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 25 Nov 2020 02:18:22 +0100
Subject: [PATCH] VST3: fix plugin bus configuration

This fixes crashes when configuring some plugins that have more
input busses than output busses. e.g. TDR Nova.
---
 libs/ardour/vst3_plugin.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/ardour/vst3_plugin.cc b/libs/ardour/vst3_plugin.cc
index bd7cd499a0..1541d28b88 100644
--- a/libs/ardour/vst3_plugin.cc
+++ b/libs/ardour/vst3_plugin.cc
@@ -2002,7 +2002,7 @@ VST3PI::enable_io (std::vector<bool> const& ins, std::vector<bool> const& outs)
 		}
 		sa |= (uint64_t)1 << i;
 	}
-	if (_n_aux_inputs > 0) {
+	if (_n_aux_outputs > 0) {
 		_component->activateBus (Vst::kAudio, Vst::kOutput, 1, enable);
 		sa_out.push_back (sa);
 	}