[alsa-devel] usbaudio: Support for USB audio v2.0 devices

Daniel Mack daniel at caiaq.de
Mon Feb 22 18:50:27 CET 2010

On Mon, Feb 22, 2010 at 06:40:39PM +0100, Clemens Ladisch wrote:
> Daniel Mack wrote:
> > I've been working on support for USB devices compliant to audio class
> > v2.0 and would like to share what I got.
> Great!
> Just out of curiousity: what device are you testing this with?

An XMOS eval kit. I have OSX/CoreAudio as reference which seems to have
a more or less complete support.

> > My first step was to clean up most of the existing descriptor parsers
> > by moving away from anonymous byte array access to real structs so we
> > can see which fields we're actually dereferencing.
> Please use the structures in <linux/usb/audio.h>.

Gna. Haven't seen that before. Why are they there if no code actually
uses them?

I'll rework my patches then.


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