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

[Anthony Wong]

** Description changed:

  [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
- Need the https://github.com/alsa-project/alsa-ucm-conf/pull/465/commits/633a01b1e538ee9a577185f067bf2ca63696ada5 which is not yet landed upstream officially to fix the routing for internal speaker
  
  [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 low risk of regression
+ 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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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 firmware-sof package in Ubuntu:
  Invalid
Status in alsa-ucm-conf source package in Noble:
  In Progress
Status in firmware-sof source package in Noble:
  Invalid
Status in alsa-ucm-conf source package in Oracular:
  In Progress
Status in firmware-sof source package in Oracular:
  Invalid
Status in alsa-ucm-conf source package in Plucky:
  Fix Released
Status in firmware-sof source package in Plucky:
  Invalid

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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