Re: [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]

On Tue, May 12, 2015 at 11:45:40AM -0500, Mario Limonciello wrote:

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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?