[Bug 2139391] Please test proposed package

Hello Chris, or anyone else affected,

Accepted linux-firmware into questing-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/linux-
firmware/20250901.git993ff19b-0ubuntu1.10 in a few hours, and then in
the -proposed repository.

Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed. Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
questing to verification-done-questing. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-questing. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

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https://bugs.launchpad.net/bugs/2139391

Title:
Support for Cirrus Logic audio solution CS42L43+CS35L56A on new Dell
PTL Bolan platform

Status in HWE Next:
New
Status in alsa-ucm-conf package in Ubuntu:
New
Status in firmware-sof package in Ubuntu:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-oem-6.17 package in Ubuntu:
Invalid
Status in alsa-ucm-conf source package in Noble:
New
Status in firmware-sof source package in Noble:
New
Status in linux source package in Noble:
Won't Fix
Status in linux-firmware source package in Noble:
Fix Committed
Status in linux-oem-6.17 source package in Noble:
Fix Committed
Status in alsa-ucm-conf source package in Questing:
New
Status in firmware-sof source package in Questing:
New
Status in linux source package in Questing:
New
Status in linux-firmware source package in Questing:
Fix Committed
Status in linux-oem-6.17 source package in Questing:
New
Status in alsa-ucm-conf source package in Resolute:
New
Status in firmware-sof source package in Resolute:
New
Status in linux source package in Resolute:
Incomplete
Status in linux-firmware source package in Resolute:
Fix Released
Status in linux-oem-6.17 source package in Resolute:
Invalid

Bug description:
SRU Justification:

[Impact]
New Dell Bolan platform with CirrusLogic audio solution CS42L43+CS35L56A powered by Intel PantherLake will have no basic audio functions w/o Soundwire Driver Support.

================ Linux Kernel ========================

[Fix]
Backport new Intel soundwire drivers of the following
ASoC: Intel: sof_sdw: Add new quirks for PTL on Dell with CS42L43 - kernel/git/broonie/sound.git - ASoC - (Upstreamed)
ASoC: soc-acpi / SOF: Add best_effort flag to get_function_tplg_files op - kernel/git/broonie/sound… - (Upstreamed)
ASoC: cs35l56: Use vendor-specific qualifier in firmware file search
ASoC: cs-amp-lib: Support Dell SSIDExV2 UEFI variable

<=============== linux-firmware ========================

[Fix]
Backport the patch firmware from CirrusLogic
cirrus: cs35l56 cs35l57: Add and update firmware for some Dell laptops - kernel/git/firmware/linux-firmware.git - Repository of firmware blobs for use with the Linux kernel

<=============== alsa-ucm-conf ========================
Backport the patch firmware from CirrusLogic
https://github.com/alsa-project/alsa-ucm-conf/commit/06a2ef880c524319ea6bd0e2688573a002badecb
https://github.com/alsa-project/alsa-ucm-conf/commit/46f30b3f9f7468d6f1286d296faf6bf6bd6c3235

<=============== firmware-sof ========================
Add 2.14 tools and topology binaries for Intel MTL and newer targets · thesofproject/sof-bin@cdd3c8f

[Test Case]
1. Boot up the machine of new Dell Intel PTL Bolan platform with CirrusLogic CS42L43+CS35L56A
2. Open settings->Sound->Output Device and make sure it's not Dummy audio devices
3. Click test icon for basic audio output functions
4. Use `arecord` to record and play the recorded audio file with `aplay` for basic speaker/microphone functions.

[Where problems could occur]
It adds the support for new CirrusLogic CS42L43+CS35L56A on PTL platform. No regression expected at the current stage.

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