Reference USB card driver?

[René Herman]

On 21-07-2020 10:05, Takashi Iwai wrote:

> For USB, basically the snd-usb-audio USB audio class driver is the
> place to start with.  Other USB audio drivers are very
> device-specific, often the result of reverse engineering and might be
> poorly supported.
> 
> Which actual card -- I don't know, honestly speaking, too.  There are
> way too many devices in the market.

Thanks much for the answer. I'll start studying snd-usb-audio and will
try to make sense of things.

Rene.