On Fri, Oct 07, 2011 at 03:21:33PM +0300, Matti J. Aaltonen wrote: > by the DAC codec. Now to have on output for the analog radio the amplifier > should be handled as a separate audio card, right? And then the No. When I said this should all be a single card that's what I meant. > Yes, but what I was in a way driving at was to find an example of a > codec written > for a purely analog device like the amplifier above. It would surely > be different > from "normal" codecs, or am I wrong? No, they look just the same but just don't define any digital interfaces. There's quite a few of these in the kernel already.