[alsa-devel] HDA regression on Fujitsu S7020 laptop (ALC260 codec)

[Jonathan Woithe]

On Mon, Feb 18, 2013 at 08:58:28PM +0800, Raymond Yau wrote:
> >
> > > > To confirm the behaviour: the "Headphone Jack Mode" control appears in
> > > > 3.8.0-rc5+ but a corresponding control for the mic/line-in jack does not.
> > >
> > > Ah, I see.  This doesn't appear as default.  You need to pass a hint
> > > string in the firmware patch file.  See a brief description in
> > > Documentation/sound/alsa/HD-Audio.txt.
> >
> > Right.  I'll take a look at this documentation.  I must say that it strikes
> > me as a little odd that input jacks don't have a mode control by default. I
> > would have expected that such controls would be desired by enough people to
> > justify having them appear by default without each user having to mess
> > around with firmware patch files and the like.
> >
> > I assume the magic knob is add_in_jack_modes.
> >
> > Is there any reason why alc260_fixup_fsc_s7020() couldn't set
> > spec->gen.add_in_jack_modes to 1 in the HDA_FIXUP_ACT_PRE_PROBE phase much
> > like it already sets add_out_jack_modes?
> 
> Is it possible to add spec->gen.add_in_jack_modes automatically when
> automic is disabled and there is no line in jack

That would work for me - it sounds like a good idea.

Regards
  jonathan