[alsa-devel] HDA regression on Fujitsu S7020 laptop (ALC260 codec)
jwoithe at just42.net
Mon Feb 18 23:13:24 CET 2013
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.
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