From f58282844d24964f6ea2b160353d2cddd6b9a168 Mon Sep 17 00:00:00 2001
From: Tim Mayberry <mojofunk@gmail.com>
Date: Wed, 26 Aug 2015 12:36:31 +1000
Subject: [PATCH] Don't add "None" devices for ASIO driver in PortaudioBackend

---
 libs/backends/portaudio/portaudio_io.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libs/backends/portaudio/portaudio_io.cc b/libs/backends/portaudio/portaudio_io.cc
index 5df848d426..8e775845b6 100644
--- a/libs/backends/portaudio/portaudio_io.cc
+++ b/libs/backends/portaudio/portaudio_io.cc
@@ -536,7 +536,12 @@ PortAudioIO::update_devices()
 	if (!pa_initialize()) return false;
 
 	clear_device_lists ();
-	add_none_devices ();
+
+	// ASIO doesn't support separate input/output devices so adding None
+	// doesn't make sense
+	if (get_current_host_api_type() != paASIO) {
+		add_none_devices ();
+	}
 	add_devices ();
 	return true;
 }
-- 
2.30.2