[alsa-devel] [PATCH] alsa-lib: Conf: Fix channels of ICE1712 to 10/12

Raymond Yau superquad.vortex2 at gmail.com
Mon Mar 28 11:24:23 CEST 2011

2011/3/28 Jaroslav Kysela <perex at perex.cz>

> On Mon, 28 Mar 2011, David Henningsson wrote:
> > I know this issue has been brought up before, without resolution.
> Basically
> > PulseAudio cannot open cards such as M-Audio 2496 and M-Audio Delta
> 1010LT
> > because it does not try to open "front" with 10 channels, only with 2.
> >
> > I think it is reasonable to assume that a front:x stream should be able
> to
> > open with 2 channels only, therefore I'm proposing this fix, and I'm
> applying
> > it to Ubuntu as well, unless you have a better idea.
> I applied your change to our git repo . Perhaps we find a better solution
> in future.
>                                        Jaroslav

But front device cannot be used for capture

I have used David 's alsamixertest to verify that using "front" device of
HDA intel for playback/capture , the softvol plugin "PCM Playback Volume
affect the dB scale

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