[alsa-devel] Strange sound of IDT 82hd206xx6 at font port in AC97 mode

[Raymond Yau]

>>
> >> Hello My mainboard is ECS A780GM-A, the sound chip in it is IDT
> >> 82HD206XX6,
> >
> > Is this 92HD206X ?
> >
> Maybe it is, but it is 82HD206XX6 in the top side of the chip.
>
> > Seem this codec support impedance sense
> >
> > Post the output of alsa-info.sh
> >
> http://www.alsa-project.org/db/?f=ce795f0f8e31b9eb5e35cc2fed572290d14b1cda
>


Simple mixer control 'Swap Center/LFE',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [off]


Do this switch work as expected when you run

speaker-test -c 6 -t wav -Dhw:0,0