<p><br>
> > Only tested with snd-dummy with model=ice1712<br>
> ><br>
> > I expect pulseaudio only use those multi channel profiles only when driver<br>
> > 's channel_min > 2 and channel_min equal to channel_max<br>
> ><br>
> > So pulseaudio just playback and capture the hardware supported channels<br>
> > instead of the first 4 channels<br>
> ><br>
> > Do you mean that you want to play/capture stereo only to/from specified<br>
> > jack with channel map ?<br>
> ><br>
> > <a href="https://bugs.freedesktop.org/show_bug.cgi?id=89541">https://bugs.freedesktop.org/show_bug.cgi?id=89541</a><br>
><br>
> I didn't mean such request. Merely a lack of my understanding about<br>
> PulseAudio.<br>
><br>
> For your information, in most devices, each of the captured PCM channels<br>
> is fixed to each of the actual physical channels, thus less complicated<br>
> than playback PCM channels.</p>
<p>From user point of view,<br>
As the multichannel capture monitor is mono which is almost useless when recording from three stereo inputs<br>
</p>