usb2: no sound with M-Audio Transit

Stefan Ehmann shoesoft at gmx.net
Fri Nov 14 08:17:42 PST 2008


On Friday 14 November 2008 15:41:48 Stefan Ehmann wrote:
> Hi,
>
> Today I've tested my M-Audio Transit USB sound card with the new usb stack.
> It requires to download a firmware which works with some minor problems.
>
> It's recognized as follows:
>
> ugen0.2: <Unknown> at usbus0
> <firmware upload is done here>
> ugen0.2: <M-Audio> at usbus0
> uaudio0: <Transit USB> on usbus0
> uaudio0: Play: 96000 Hz, 2 ch, 24-bit S-LE PCM format
> uaudio0: Record: 96000 Hz, 2 ch, 24-bit S-LE PCM format
> uaudio0: No midi sequencer
> pcm1: <USB audio> on uaudio0
>
> I don't get any sound though. mixer lists vol, pcm and mic. If I turn up
> mic to 100 there's some output (mostly static). So something goes wrong
> here.
>
> With the old uaudio driver
> #define UAUDIO_MULTIPLE_ENDPOINTS
> needs to be undefined to get the card working (if this gives any clue)
This should have read "needs to be uncommented" (It's commented out in the 
original source).

In the meantime here's some debug info.

messages with uaudio logging enabled:
http://stud4.tuwien.ac.at/~e0125637/fbsd/transit.messages

config dump:
http://stud4.tuwien.ac.at/~e0125637/fbsd/transit_config.dump




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