[Bug 2143104] 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/2143104

Title:
Enable CirrusLogic audio solution CS42L45+CS35L63

Status in HWE Next:
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 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:
In Progress
Status in linux source package in Questing:
Won't Fix
Status in linux-firmware source package in Questing:
Fix Committed
Status in linux-oem-6.17 source package in Questing:
Invalid
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 Yukon platform with CirrusLogic audio solution CS42L45+CS35L63 will have no basic audio functions w/o AMD ACP Driver Support.

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

[Fix]
Backport new AMD ACP drivers of the following

ASoC: amd: acp: Add ACP7.0 match entries for Cirrus Logic parts
ASoC: amd: acp: Sort Cirrus Logic match entries
ASoC: amd: acp: Rename Cirrus Logic component match entries to include link a...
ASoC: amd: acp: Sort match table into most specific first
ASoC: amd: amd_sdw: Propagate the PCI subsystem Vendor and Device IDs
ASoC: amd: ps: Propagate the PCI subsystem Vendor and Device IDs
ASoC: amd: acp: Add ACP7.0 match entries for cs35l56 and cs42l43

And patches https://lore.kernel.org/linux-
sound/20260205164539.892403-1-Vijendar.Mukunda@amd.com/T/#t which are
still under review.

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

[Fix]
Backport the patch firmware from CirrusLogic

8ca12d638 cirrus: cs42l45: Add CS42L45 SDCA codec firmware for Dell laptops
53ec87319 cirrus: cs42l45: Add CS42L45 SDCA codec firmware for Lenovo laptops
4aaa9c557 cirrus: cs42l45: Add CS42L45 SDCA codec firmware for Dell laptops

[Test Case]
1. Boot up the machine of new Dell Yukon platform with CirrusLogic CS42L45+CS35L63
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 CS42L45+CS35L63. No regression expected at the current stage.

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