RE : snd-usb-audio and M-Audio Quattro problems.

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> >
> > After seeing no activity on the bug for some time I decided to 
> > investigate the problem further. First I tried to extend the 
> > Audiophile hack to Quattro (that disables all altsettings on driver 
> > init except the one desired). Surprisingly it worked - 
> almost. It only 


Your patch changes the AUDIOPHILE_* constant to MAUDIO_* constants.
This is ok, but the Fast Track Pro patch submitted by "Peter Oehry" would
need a trival rework to be applied.

> > works the first time after Quattro has been powered up, after that, 
> > re-loading the driver doesn't help - the device sticks to the old 
> > state.
> 
> Another 'M-audio usb' user recently wrote a patch for the Fast track  
> pro (however I'm not sure it has been included in the hg repository  
> yet). I wonder if he had managed to handle such setup switching for  
> his device.

See the "snd-usb-audio - Driver for M-Audio Fast Track Pro" thread (August
2006) from Peter Oehry.

HTH,
Thibault



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