@all:
This was caused by a BIOS error in BIOS A01 that put the sound in an undefined
mode that wasn't really I2S and wasn't really HDA. This has been fixed by BIOS
A02 ( or later ).
There was an _REV patch that was proposed but not merged upstream. If
that (or something similar to it) does get merged upstream, then with
BIOS A02+ the audio will operate in I2S mode. There are still a handful
of open issues in I2S mode that can be discussed and sorted out if we
come to that.
@Gabriel,
You should file another bug on your model and manufacturer. This is specific
to the BIOS and embedded controller implementation in the Dell XPS 13.
** Changed in: linux (Ubuntu)
Status: Triaged => Won't Fix
** Changed in: dell-sputnik
Status: Confirmed => Invalid
** Changed in: hwe-next
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1413446
Title:
Audio broken on 2015 XPS 13 (9343) in I2S mode in Ubuntu 14.10/15.04
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