From b7d561a3f19b91be3b293e16fb6af55387e4336b Mon Sep 17 00:00:00 2001
From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 12 Jan 2010 20:10:40 +0000
Subject: [PATCH] Make OSS_GETVERSION ioctl supported also for DSP devices,
 same as 4Front and Linux do.

MFC after:	1 month
---
 sys/dev/sound/pcm/dsp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/dev/sound/pcm/dsp.c b/sys/dev/sound/pcm/dsp.c
index 93a3acf2a0a2..d0ebfad00710 100644
--- a/sys/dev/sound/pcm/dsp.c
+++ b/sys/dev/sound/pcm/dsp.c
@@ -1069,6 +1069,10 @@ dsp_ioctl(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode,
 	chn = NULL;
 
 	if (IOCGROUP(cmd) == 'M') {
+		if (cmd == OSS_GETVERSION) {
+			*arg_i = SOUND_VERSION;
+			return (0);
+		}
 		ret = dsp_ioctl_channel(i_dev, PCM_VOLCH(i_dev), cmd, arg);
 		if (ret != -1) {
 			PCM_GIANT_EXIT(d);