APPLIED: [SRU][v2][O][PATCH 0/3]enable cs42l43 and cs35l56 audio on Intel LNL

Stefan Bader stefan.bader at canonical.com
Wed Apr 23 07:59:08 UTC 2025


On 15.04.25 13:31, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/2106394
> 
> [Impact]
> No audio input/output for cs42l43 and cs35l56 on Intel LNL of ThinkPad.
> 
> [Fix]
> Add the firmware of cs35l56 and sof-lnl-cs42l43-l0-2ch.tplg
> to enable audio support;
> update alsa-ucm-conf to gain the control of mic/speaker mute LED.
> 
> linux-fimware commit:
> 9c46d10f8 cirrus: cs35l56: Add and update firmware for various Cirrus CS35L54 and CS35L56 laptops
> 
> sof-bin commit:
> e8604e4 Add 2.12 topology binaries for Intel targets
> 
> sof-bin file:
> v2.12.x/sof-ipc4-tplg-v2.12/sof-lnl-cs42l43-l0-2ch.tplg
> 
> alsa-ucm-conf commits:
> 9e946d4 sof-soundwire: Add LED support for cs35l56 amplifiers
> 79c9e8f sof-soundwire: cs42l43: Drop headset mic from mic mute LED
> 
> [Test]
> Tested on Intel LNL, the audio input/ouput OK, headset detection OK,
> mic/speaker mute LED OK.
> 
> [Where problems could occur]
> It may break cirrus audio support.
> 
> OEM-6.11/Oracular/Plucky support this platform, the commits are from 6.12,
> OEM-6.11 and Plucky already got them, so SRU for Oracular.
> 
> v2: add the follow-up fixes commit.
> 
> Charles Keepax (4):
>    ASoC: Intel: soc-acpi: arl: Add match entries for new cs42l43 laptops
>    ASoC: Intel: soc-acpi: adl: Add match entries for new cs42l43 laptops
>    ASoC: Intel: soc-acpi: lnl: Add match entries for new cs42l43 laptops
>    ASoC: Intel: soc-acpi: arl: Fix some missing empty terminators
> 
>   .../intel/common/soc-acpi-intel-adl-match.c   | 105 +++++++++
>   .../intel/common/soc-acpi-intel-arl-match.c   | 221 ++++++++++++++++++
>   .../intel/common/soc-acpi-intel-lnl-match.c   | 104 +++++++++
>   3 files changed, 430 insertions(+)
> 

Applied to oracular:linux/master-next. Thanks.

-Stefan

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