[alsa-devel] force snd-usb-audio to use "Vendor Specific Class"

Daniel Mack daniel at caiaq.de
Wed Jun 23 15:42:05 CEST 2010

On Wed, Jun 23, 2010 at 03:36:40PM +0200, Daniel Mack wrote:
> On Wed, Jun 23, 2010 at 03:29:25PM +0200, Alexey Fisher wrote:
> > is there any way to force snd-usb-audio to use some "Vendor Specific
> > Class" device?
> > i currently got two webcams from my friends to take a look on. They are
> > cheep gspca based webcams with Mic. I wont to test if snd-usb-audio can
> > use it if i force it. Devices it self do not provide any hints for the
> > driver.
> Sure. Just grep for 'bInterfaceProtocol' in sound/usb/* and patch all
> places where this field is parsed.

Sorry, I got you wrong. I think you should just need an extra entry in
quirks-table.h and quirks.c - other devices do similar things already.


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