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

Lee Revell
2005-03-05T19:28:12Z

On Fri, 2005-03-04 at 22:16 +0100, Pierre Ossman wrote:
> Pierre Ossman wrote:
> > Andrew Morton wrote:
> >
> >> Mark Canter <marcus@vfxcomputing.com> 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.
>

So is there a bug or not? Mark seems to be the only one affected.

It's important to follow up, because these so-called "ALSA regressions"
are generating bad press.

Lee