[alsa-devel] commit b1ef29725865 (ACPI _REV=2) causes sound regression on Dell XPS 13 [Was: Discussion around quirking the _REV behavior for the XPS 13 (2015) until 4.2]

[Mark Brown]

On Tue, May 12, 2015 at 07:13:46PM +0200, Dominik Brodowski wrote:

> ... and PulseAudio 6.0, as you stated in another message, but which is not in
> Debian jessie. Therefore, commit b1ef29725865 does cause a regression (even
> though it's just a side effect): the Dell XPS 13 (2013) works just fine with
> a standard Debian jessie install and a current kernel. Sound worked fine
> until commit b1ef29725865 / works fine with commit b1ef29725865 reverted.

> New kernels should continue to work on (reasonably) old userspace; and
> currently I do not see how this can be made to work with commit 
> b1ef29725865 and no quirk / override. As soon as I find the time for that,
> I'll try to create a patch for that -- unless someone beats me to that.

IIRC I wasn't getting a useful GUI out of the box with Jessie either,
though that could've been installer stuff - I can't remember any more
(and the support for high DPI displays within the installer itself makes
me happy I've got an eye checkup booked soon).

> Well, sound _is_ quite important to me; and as stated above, the laptop
> works just fine otherwise on Debian jessie (well, except the WiFi adapter,
> but that's another story).

I just swapped my WiFi adaptor out for an Intel card, fairly easy to do.
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