[alsa-devel] HD-audio generic parser merged to linux-next

[Takashi Iwai]

At Mon, 11 Feb 2013 23:12:16 +0800,
Raymond Yau wrote:
> 
> > >
> > > >
> > > > If you encounter any regression by the recent update, please let me
> > > > know.
> > > >
> > >
> > > Refer to commit 657e1b931d42882cb0a59b599247bef696c22406
> > >
> > > ALSA: hda - Select auto-parser as default for AD codecs
> > >
> > > it seem that independent hp is enabled on AD1986A which does not support
> > > indepedent headphone
> >
> > AD1986A can send an individual stream to HP.
> >
> > The pin 0x1a takes the selector 0x0a, which can choose either the
> > mixer widget 0x07 or a DAC (0x04).
> >
> 
> 6 DAC channels for 5.1 surround

It's an issue with the output path selection, and basically irrelevant
with the HP independent output.

> Can independent headphone enabled by default since this mean that lost of
> surround 5.1 for those desktop with three audio jacks at rear panel ?

Not really.  The independent HP feature is just an additional stuff
that is enabled only when the configuration is available in the
selected paths.  It doesn't influence on the path selection by
itself.


Takashi