Bug#1136179: Regression: no sound on Lunar Lake laptops due to missing spi-cs42l43 module

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From	Uwe Kleine-König <ukleinek@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1136179: Regression: no sound on Lunar Lake laptops due to missing spi-cs42l43 module
Date	Sun, 17 May 2026 14:20:01 +0200
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Control: forwarded -1 https://salsa.debian.org/kernel-team/linux/-/merge_requests/1942

Hello,

On Sun, May 10, 2026 at 05:11:35PM +0200, Lennart Ackermans wrote:
> Package: linux-image-amd64
> Version: 7.0.4-1
> Severity: important
> Tags: upstream
> 
> Dear Maintainer,
> 
> Since updating from 6.19.11 to (I believe) 6.19.12 I have had no audio
> on my laptop, Dell Pro 14 PA14250.
> 
> Previously the kernel included the module spi-cs42l43. I believe the
> cause of the regression is that the module is no longer automatically
> selected in the upstream Kconfig:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e920c36f2073d533bdf19ba6ab690432c8173b63

Indeed this commit (e920c36f2073 ("ASoC: Intel: boards: fix unmet
dependency on PINCTRL")) was backported to v6.19.12~236 = de7076a98502
and also to v6.12.81~176 = 8b079642413d. Older kernels that are relevant
for Debian are not affected, as the commit that introduced the issue is
only in 6.11-rc1 (i.e. v6.11-rc1~108^2~6^2~75^2 = c073f0757663).

(Though our 6.1 kernel has SND_SOC_INTEL_SOUNDWIRE_SOF_MACH=m but the
two CS42L43 not enabled. I didn't research if these exist there already
and are needed, too. Might be worth a look from someone with that
hardware.)

I created a MR for this at
https://salsa.debian.org/kernel-team/linux/-/merge_requests/1942

Best regards
Uwe

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Bug#1136179: Regression: no sound on Lunar Lake laptops due to missing spi-cs42l43 module Lennart Ackermans <lennart@ackermans.ch> - 2026-05-10 17:30 +0200
  Bug#1136179: Regression: no sound on Lunar Lake laptops due to missing spi-cs42l43 module Uwe Kleine-König <ukleinek@debian.org> - 2026-05-17 14:20 +0200
  Processed: Re: Bug#1136179: Regression: no sound on Lunar Lake  laptops due to missing spi-cs42l43 module "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-17 14:20 +0200
  Bug#1136179: marked as done (Regression: no sound on Lunar Lake  laptops due to missing spi-cs42l43 module) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-19 17:10 +0200

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