snd_hda same output on two pcms?

Alexander Motin mav at FreeBSD.org
Wed Sep 23 21:16:04 UTC 2009


J.R. Oldroyd wrote:
> Is it possible to configure snd_hda so that one output is available
> on two pcm devices?
> 
> I would like:
> 	pcm0:	built-in speaker, headphone jack
> 		mic
> 
> 	pcm1:	built-in speaker only

If I understand right, you want to configure hardware mixing. Most of
HDA codecs unable to do it in hardware. Some other are able, but this is
not supported by the driver. It tries to isolate pcmX devices one from
another.

-- 
Alexander Motin


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