[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 11:45:40AM -0500, Mario Limonciello wrote:

> >I'm not seeing any of the hw_params() issues with v4.1 - are you perhaps
> >using an old linux-firmware?  I don't know how up to date Ubuntu is
> >there.

> linux-firmware ubuntu 15.04 version: 1.143.
> This is based off upstream cef33368c4d3425f11306496f0250f8ef1cf3c1f, updated
> on March 4 2015.

That's the same firmware I have.  Weird, I don't know if the Intel guys
have any bright ideas here?
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