[alsa-devel] HDA regression on Fujitsu S7020 laptop (ALC260 codec)

Jonathan Woithe jwoithe at just42.net
Tue Mar 12 23:25:43 CET 2013

On Mon, Mar 11, 2013 at 09:52:38AM +0100, Takashi Iwai wrote:
> At Sun, 10 Mar 2013 15:28:54 +1030,
> Jonathan Woithe wrote:
> > The only slightly odd thing I noticed was that whenever the driver is loaded
> > the "headphone mic jack mode" defaults to "mic bias 80pc", rather than "line
> > out" or "headphone" which I would have expected.  Obviously this can be
> > manually or automatically overridden after module load, but in many ways it
> > would be good if it defaulted to one of the output modes (given that the
> > jack's primary purpose is for output).
> Indeed, it's an overlooked bug.  I merged the fix patch below.

That looks like it'll do the trick.  I'll check it explicitly when I get a
chance over the next few days.

> > Where does this leave us now?  Is the "fujitsu-jwse" a permanent thing, or
> > will the respective changes be rolled into something more generic?
> I'm inclined to keep as is.

Ok, suits me.

Do you think that a more descriptive model (eg: fujitsu-fullmixer or
something) is warranted?

BTW, I will attempt to determine precisely what it is about the default
initialisation sequence that causes the internal speaker to be permanently
muted.  For now though the workarounds in "fujitsu-jwse" work well.


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