From 49624dd6ce070f56aa7f559f401370467cd714b2 Mon Sep 17 00:00:00 2001
From: thompsa <thompsa@FreeBSD.org>
Date: Sun, 22 Nov 2009 21:26:27 +0000
Subject: add support for MIDI devices without audio control stream.

Submitted by:	Hans Petter Selasky
---
 sys/dev/sound/usb/uaudio.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'sys/dev/sound')

diff --git a/sys/dev/sound/usb/uaudio.c b/sys/dev/sound/usb/uaudio.c
index 7701c3c..ddae8c3 100644
--- a/sys/dev/sound/usb/uaudio.c
+++ b/sys/dev/sound/usb/uaudio.c
@@ -559,6 +559,13 @@ uaudio_probe(device_t dev)
 		else
 			return (0);
 	}
+
+	/* check for MIDI stream */
+
+	if ((uaa->info.bInterfaceClass == UICLASS_AUDIO) &&
+	    (uaa->info.bInterfaceSubClass == UISUBCLASS_MIDISTREAM)) {
+		return (0);
+	}
 	return (ENXIO);
 }
 
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