Re: [Alsa-devel] Re: intel 8x0 went silent in 2.6.11

[Pierre Ossman]

Pierre Ossman wrote:
> Andrew Morton wrote:
>
> > Mark Canter <marcus@xxxxxxxxxxxxxxxx> wrote:
> >  
> >
> > > To close this issue out of the LKML and alsa-devel, a bug report has 
> > > been written.
> > >
> > > It appears to be an issue with the 'headphone jack sense' (as kde 
> > > labels it).  The issue is in the way the 8x0 addresses the docking 
> > > station/port replicator's audio output jack.  The mentioned quick fix 
> > > does not work for using the ds/pr audio output, but does resolve it 
> > > for a user that is only using headphones/internal speakers.
> > >   
> >
> >
> > But there was a behavioural change: applications which worked in 2.6.10
> > don't work in 2.6.11, is that correct?
> >
> > If so, the best course of action is to change the kernel so those
> > applications work again.  Can that be done?
> >
> >  
> Yes. Speakers worked in 2.6.10 and stopped working in 2.6.11. This could 
> be changed by setting the default for the two new volumes to muted. I 
> don't know how this affects the issue with the docking station or the 
> bug that this is supposed to solve though.

It seems I spoke too soon. The defaults picked by the driver are 
actually fine. It seems to be alsactl store/restore that did something 
strange when coming from an older kernel.

Rgds
Pierre
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