usbaudio won't do 24-bit or 32-bit i/o, and won't do 96000 frames per second

["John S. Denker" <jsd@monmouth.com>]

     ==== This is a slightly-updated clone of item
     #636946 on the sourceforge bug/patch reporting
     system.  I'm moving it to here (the alsa-devel
     mailing list) at the request of Jaroslav. ====

I bought an Extigy, which is capable of 24-bit i/o. It is
also capable of digitizing 96000 frames per second.

The problem is, the alsa usbaudio driver seems to know
nothing of such capabilities.

I tried modifying the driver source, in analogy to the dummy
driver, but to no avail.

This means I am unable to use ALSA for this application.

Request #1: USB driver supporting 24-bit i/o. I don't care
whether it is encoded as S24_LE or S32_LE, just so long as
all the bits are encoded somehow.

Request #2: USB driver supporting 96000 frames per second.

Suggestion: If the code had better comments and
documentation, it would be easier for folks like me to
contribute fixes to problems such as this.

Note: there are other problems with this driver; see next
bug report.



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