[Bug 2088403] Re: Missing CS42L43 alsa-ucm-conf for Dell Tarako LNL platform

[Timo Aaltonen]

Hello Chris, or anyone else affected,

Accepted alsa-ucm-conf into oracular-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/alsa-ucm-
conf/1.2.10-1ubuntu6.2 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-
oracular to verification-done-oracular. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-oracular. 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: alsa-ucm-conf (Ubuntu Oracular)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-oracular

** Changed in: alsa-ucm-conf (Ubuntu Noble)
       Status: In Progress => Fix Committed

** Tags added: verification-needed-noble

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https://bugs.launchpad.net/bugs/2088403

Title:
  Missing CS42L43 alsa-ucm-conf for Dell Tarako LNL platform

Status in HWE Next:
  New
Status in alsa-ucm-conf package in Ubuntu:
  New
Status in alsa-ucm-conf source package in Noble:
  Fix Committed
Status in alsa-ucm-conf source package in Oracular:
  Fix Committed
Status in alsa-ucm-conf source package in Plucky:
  Fix Released

Bug description:
  [SRU Justifications]

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

  Audio output doesn't work on Dell Tarako platforms with Cirrus CS42L43
  codec

  [Fix]
  This requires following conf file in alsa-ucm-conf package:
    - /usr/share/alsa/ucm2/sof-soundwire/cs42l43-spk.conf

  [Test Case]
  1. Boot up the machine of Dell Tarako platform with CS42L43 codec
  2. Verify the existence of /usr/share/alsa/ucm2/sof-soundwire/cs42l43-spk.conf
  3. Verify firmware-sof version >= 2023.12.1-1ubuntu1.2 on Noble, 2024.06-1ubuntu1.1 on newer (with sof-lnl-cs42l43-l0.tplg)
  4. Make sure the sof driver are loaded correctly. (tplg and Intel DSP FW are ready)
  5. Verify with checking the output of `amixer -c 0` command with valid Digital Speaker `Simple mixer control 'cs42l43 Speaker Digital',0`.

  [Where problems could occur]
  It only affects the Dell Tarako platforms with the new CS42L43 codec w/o other soundwire devices. Should be low risk of regression and only limited to such platform.

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