[Bug 2069760] Re: Soundwire support for CS42L43 and CS35L56 on Intel MTL

[Timo Aaltonen]

Hello Chris, or anyone else affected,

Accepted firmware-sof into noble-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/firmware-
sof/2023.12.1-1ubuntu1.1 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-
noble to verification-done-noble. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-noble. 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.

** Changed in: firmware-sof (Ubuntu Noble)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-noble

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https://bugs.launchpad.net/bugs/2069760

Title:
  Soundwire support for CS42L43 and CS35L56 on Intel MTL

Status in alsa-ucm-conf package in Ubuntu:
  Fix Released
Status in firmware-sof package in Ubuntu:
  Fix Released
Status in alsa-ucm-conf source package in Noble:
  Fix Committed
Status in firmware-sof source package in Noble:
  Fix Committed
Status in alsa-ucm-conf source package in Oracular:
  Fix Released
Status in firmware-sof source package in Oracular:
  Fix Released

Bug description:
  [SRU Justifications]

  ========== firmware-sof ==========
  [Impact]

  Audio doesn't work on Dell new XPS laptops on Intel MTL platforms.

  [Fix]

  Kernel driver, ALSA ucm, and firmware fixes are required. For
  firmware-sof, it's the upstream commit 7d2c7f5ad44d ("Add sof-v2.9 for
  Intel hardware").

  [Test Case]
  1. Install linux-firmware version >= 20240318.git3b128b60-0ubuntu2.1
  2. Install new noble/oracular -proposed alsa UCM conf package
  3. Install 6.10-oem kernel
  4. Go to audio setting to make sure the audio input/output device are not dummy

  [Where problems could occur]
  It's simply an additional tplg file which only new kernel driver knows to how to load.

  ========== alsa-ucm-conf ==========
  [Impact]

  Audio doesn't work on Dell new XPS laptops on Intel MTL platforms.

  [Fix]

  Kernel driver, ALSA ucm, and firmware fixes are required. For alsa-ucm-conf, it requires the following upstream commit
  1. c0a4df603786 ("sof-soundwire: Use one file for speaker codec")
  2. 8e39917518b6 (sof-soundwire: Add basic support for basic cs35l56)
  3. e87dde51d689 (sof-soundwire: Add basic support for cs42l43)

  [Test Case]
  1. Install linux-firmware version >= 20240318.git3b128b60-0ubuntu2.1
  2. Install 6.10-oem kernel
  3. Install new noble/oracular -proposed firmware-sof package
  4. Go to audio setting to make sure the audio input/output device are not dummy

  [Where problems could occur]
  The new alsa UCM file only take effect when new cs35l56 driver and firmware-sof are loaded. The impact are restricted on cs35l56 only.

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