[alsa-devel] Jack sense fails on Fujitsu p7120

[Takashi Iwai]

At Thu, 3 Feb 2011 23:49:55 +0000,
Robin Neatherway wrote:
> 
> > if not, you will need to find any alc269 model which create "Headphone
> > Playback Volume" at node 0x8 and "Speaker Playback volume" at node 0x09
> 
> With model=auto, these appear at the correct nodes, but I no longer
> get any sound over the speakers. How can I control where these appear,
> or add an EAPD pin to try and reenable the speakers?
> 
> > Others are no pin widgets.  See HD-audio specification for more details.
> 
> OK, I've found "7.3.3.31 Configuration Default" in the spec which
> describes the meaning of the pin config register. From the discussion
> so far I think I need to change node 0x1B to be a jack sense pin. I
> must misunderstand though because a) Configuration Default has nothing
> to do with whether it is a jack sense pin and b) 0x1B is not a pin
> widget anyway.

The auto codec parser reads the default config values of all pin
widgets, and enables the jack sense when a pin is a HP jack.  That's
why it's important to figure out which pin widget corresponds to which
actual I/O.


Takashi