[alsa-devel] [RFC] Remove non-exist device and control from snd-ymfpci

Clemens Ladisch clemens at ladisch.de
Mon Sep 19 11:56:13 CEST 2011

Raymond Yau wrote:
> Is it feasible to remove playback device 2 (rear) and control (e.g. 4
> ch Duplication) by checking sdac bit of ac97 registers to know that it
> does not support 4 channels ?


> How about device 1 spdif since this card does not have spdif connector ?

How could this be detected?

> what is the difference of capture device 0 and device 3 ?

The default device can mix lots of sources together; the AC'97 device is
a direct input from the AC'97 codec.


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