From owner-freebsd-current@FreeBSD.ORG  Fri Nov 14 17:09:21 2008
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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-current@freebsd.org
Date: Fri, 14 Nov 2008 18:11:23 +0100
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Cc: Stefan Ehmann <shoesoft@gmx.net>
Subject: Re: usb2: no sound with M-Audio Transit
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On Friday 14 November 2008, Stefan Ehmann wrote:
> http://stud4.tuwien.ac.at/~e0125637/fbsd/transit_config.dump

Maybe there is something wrong with the 16-bit to 24-bit data conversion ?

Try to change:

static uint8_t uaudio_default_bits = 32;

to:

static uint8_t uaudio_default_bits = 16;

In:

src/sys/dev/usb2/sound/uaudio2.c

Then recompile and re-install "uaudio2.c".

--HPS