From 7d88dc320225a6c78735a531720b967f597a1597 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sat, 17 Jan 2015 19:50:48 +0100
Subject: [PATCH] update engine dialog UI state

fixes crash when jack is started externally
and the dialog is displayed later.
The current state e.g. avail buffer sizes is not
are queried from the backend, Apply,OK -> crash
because the dropdown is empty)
---
 gtk2_ardour/engine_dialog.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index 387d705a9c..942de79b1b 100644
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -304,6 +304,7 @@ void
 EngineControl::on_show ()
 {
 	ArdourDialog::on_show ();
+	device_changed ();
 	ok_button->grab_focus();
 }