[alsa-devel] No jack sense on Intel 82801I / IDT 92HD71B7X in a HP dv4

Takashi Iwai tiwai at suse.de
Wed Apr 29 08:37:45 CEST 2009

At Tue, 28 Apr 2009 16:11:24 -0300,
Gustavo Vieira wrote:
> Em Seg, 2009-04-20 às 10:57 +0200, Takashi Iwai escreveu:
> > > Now things got really interesting. :)
> > > 
> > > When trying to get the output you requested I discovered that running
> > > alsa-info with the headphones plugged made them work and silenced the
> > > speakers. Then, removing the HP do not make the sound come back to the
> > > speakers, but running alsa-info again does. That is, I can force the
> > > jack sense by running alsa-info.
> > 
> > Hm, what happens if you pass model=hp-dv5 option?
> It behaves exactly like it did with no model, including all mixer
> controls. Still no headphones sense. Still works after alsa-info is run.

OK, it means that the unsolicited event isn't processed properly
at jack plugging.  But still strange why alsa-info.sh can trigger it.

Could you put some debug print to the unsol even handler to see
whether you get any even when you plug the jack?



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