From ff51e315e33242fa9eb03a08457a7ec935aa78d4 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Tue, 17 Nov 2020 14:54:31 +0100
Subject: [PATCH] VST3: fix kMaxSendLevel, on Mixbus 15dB gain can be added

---
 libs/ardour/vst3_plugin.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libs/ardour/vst3_plugin.cc b/libs/ardour/vst3_plugin.cc
index 31108da36f..55eef95bda 100644
--- a/libs/ardour/vst3_plugin.cc
+++ b/libs/ardour/vst3_plugin.cc
@@ -2632,8 +2632,13 @@ VST3PI::getContextInfoValue (double& value, FIDString id)
 		return kNotInitialized;
 	}
 	if (0 == strcmp (id, ContextInfo::kMaxVolume)) {
-		value = 2.0; // Config->get_max_gain();
+		value = s->gain_control ()->upper ();
 	} else if (0 == strcmp (id, ContextInfo::kMaxSendLevel)) {
+#ifdef MIXBUS
+		if (s->send_level_controllable (0)) {
+			value = s->send_level_controllable (0)->upper (); // pow (10.0, .05 *  15.0);
+		}
+#endif
 		value = 2.0; // Config->get_max_gain();
 	} else if (0 == strcmp (id, ContextInfo::kVolume)) {
 		boost::shared_ptr<AutomationControl> ac = s->gain_control ();