All autopkgtests for the newly accepted alsa-lib (1.2.2-2.1ubuntu2) for focal 
have finished running.
The following regressions have been reported in tests triggered by the package:

asterisk/1:16.2.1~dfsg-2ubuntu1 (armhf)
gsequencer/3.1.3-1 (s390x)


Please visit the excuses page listed below and investigate the failures, 
proceeding afterwards as per the StableReleaseUpdates policy regarding 
autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/focal/update_excuses.html#alsa-lib

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1889217

Title:
  Make digital mic on the AMD Renoir machines work under gnome desktop

Status in alsa-lib package in Ubuntu:
  Fix Released
Status in alsa-ucm-conf package in Ubuntu:
  Fix Released
Status in pulseaudio package in Ubuntu:
  Fix Released
Status in alsa-lib source package in Focal:
  Fix Committed
Status in alsa-ucm-conf source package in Focal:
  Fix Committed
Status in pulseaudio source package in Focal:
  Fix Committed
Status in alsa-lib source package in Groovy:
  Fix Released
Status in alsa-ucm-conf source package in Groovy:
  Fix Released
Status in pulseaudio source package in Groovy:
  Fix Released

Bug description:
  [Impact]
  On the LENOVO AMD Renoir machines, there is a digital mic directly
  connected to the APU instead of the codec, so there are two separate
  sound cards in the system, one is for analogue codec driven by hda
  driver, the other is for the dmic driven by ASoC acp driver.

  The current audio stack (pulseaudio + alsa-ucm-conf + alsa-lib) doesn't
  support this design yet, it could support all audio devices on the codec
  well, but it doesn't support that dmic well. In the gnome-control-center,
  the dmic becomes two input devices: analog input and multichannel input,
  and users can only record sound from analog input, the multichannel input
  can't function at all. Besides this issue, there is another issue, after
  users plug an external mic, the external mic can't replace the dmic
  automatically, this gives users a bad experience since this behaviour is
  different from the other audio designs.

  [Fix for pulseaudio]
  backport 3 patches:
  2 of them from upstream
  device-port: queue CARD CHANGE event before update default sink
  alsa: adjust ucm sink/source priority according to ports priority
  1 of them from a merge request:
  https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/305

  [Fix for alsa-ucm-conf]
  backport 14 patches:
  11 of them from upstream:
  ucm-fix-wrong-If-in-sequence-in-HiFi-dual.conf.patch
  ucm2-add-initial-ucm.conf-for-the-latest-alsa-lib.patch
  sof-hda-dsp-don-t-fail-if-Auto-Mute-control-is-not-p.patch
  ucm.conf-add-support-for-the-kernel-module-name-tree.patch
  sof-hda-dsp-make-Headphone-Playback-Switch-condition.patch
  sof-soundwire-initial-UCM2-version.patch
  sof-soundwire-cleanups-recommended-by-the-ucm-valida.patch
  sof-soundwire-rewrite-for-syntax-3.patch
  HDA-Intel-add-support-for-AMD-acp-microphone-devices.patch
  Fix-invalid-Regex-Type-in-various-Condition-blocks.patch
  hda-hdmi-add-HDMI4-HDMI5-HDMI6-devices.patch
  3 of them from a merge request:
  https://github.com/alsa-project/alsa-ucm-conf/pull/41

  [Fix for alsa-lib]
  backport 47 patches from upstream:
  Enabled-extended-namehints-in-alsa.conf.patch
  conf-add-snd_config_is_array-function.patch
  topology-use-snd_config_is_array-function.patch
  ucm-merge-the-array-items-from-the-condition-blocks.patch
  ucm-parse-SectionOnce-section-in-the-master-UCM-conf.patch
  ucm-execute-SectionDefaults-lately-when-the-first-ve.patch
  ucm-handle-set-_once-command.patch
  ucm-handle-set-_defaults-command.patch
  ucm-initialize-mgr-once_list.patch
  ucm-fix-SectionOnce-comment.patch
  ucm-fix-compilation-error-in-set_defaults_user.patch
  ucm-rename-SectionOnce-to-BootSequence.patch
  ucm-rename-_once-command-to-_boot-command.patch
  ucm-configuration-implement-in-place-Include.patch
  ucm-configuration-substitute-ConfDir-and-ConfTopDir.patch
  ucm-config-substitute-File-string-to-allow-variables.patch
  ucm-configuration-allow-to-define-the-configuration-.patch
  ucm-configuration-add-DefineRegex.patch
  ucm-substitute-arguments-in-sequences.patch
  ucm-allow-syntax-version-3.patch
  ucm-config-change-the-in-place-include-evaluation-or.patch
  ucm-allow-to-specify-the-toplevel-directory-using-as.patch
  ucm-substitute-also-value-strings.patch
  ucm-handle-strict-prefix-correctly-for-the-UCM-card-.patch
  ucm-String-condition-implement-Empty.patch
  ucm-Define-DefineRegex-is-supported-in-Syntax-3.patch
  ucm-substitute-OpenName.patch
  ucm-substitute-CardNumber.patch
  ucm-implement-the-toplevel-ucm-configuration-file-pa.patch
  ucm-substitute-device-modifier-names-too.patch
  ucm-substitute-device-strings-in-the-device-lists.patch
  ucm-substitute-component-sequence-string.patch
  ucm-substitute-verb-name-and-file-field.patch
  ucm-substitute-Comment-in-Transition-and-Device.patch
  ucm-substitute-RenameDevice-and-DeleteDevice-lists.patch
  ucm-substitute-arguments-in-sequences-only-for-synta.patch
  ucm-shuffle-code-in-compound_merge.patch
  ucm-implement-CardIdByName-substitution.patch
  ucm-allow-to-ignore-errors-for-the-value-substitutio.patch
  ucm-allow-to-use-the-defined-variables-in-the-substi.patch
  ucm-implement-CardNumberByName-substitution.patch
  ucm-fix-the-possible-buffer-overflow-substitution.patch
  ucm-simplify-get_by_card-in-parser.c.patch
  ucm-implement-AlwaysTrue-Condition.Type.patch
  ucm-Allow-empty-strings-in-var-.-substitutions.patch
  ucm-substitution-remove-duplicate-allow_empty-assign.patch
  ucm-fix-parse_get_safe_name-safe-name-must-be-checke.patch
  ucm-substitute-the-merged-tree-completely.patch
  add Breaks alsa-ucm-conf (<= 1.2.2-1ubuntu0.1) in the d/control
  add snd_config_is_array@ALSA_0.9 1.2.2-2.1ubuntu1 in the d/libasound2.symbols

  [Test Case]
  On the AMD Renoir machines:
  * Boot the system with these updated packages (already backported kernel
  drivers to Focal and oem-5.6 kernels), open the gnome-control-center
   - we could see the digital mic in the input device tab, and only one
  input device
   - we could record sound through this dmic
   - we could play sound through the speaker
   - plug a headset, we could see the output device become headphones and the 
input device become headset mic
     - we could play sound to headphone and record sound from headset mic
   - plug an HDMI monitor, there is HDMI audio choice
     - play sound to HDMI audio, we could hear the sound from the speaker on 
the monitor
   - Suspend and resume, redo the previous steps, all audio devices still work 
well.

  On other machines:
  Boot the system with all updated packages or partial updated packages,
  check all input devices and output devices, they worked the same as
  before. this SRU doesn't bring any impact on other machines.

  [Regression Risk]
  For machines without using ucm, like traditional PC and Laptops with
  HDA audio, it is possible that the pulseaudio can't parse the audio
  devices well that there is only a dummy audio device on the
  gnome-control-center, but the possibility is very low since this SRU
  didn't touch the non-ucm part, and we already tested on a Dell HDA
  audio machine, the audio function worked as well as before.

  For machines using ucm, the regression possibility is the pulseaudio
  fails to parse the needed ucm, then there is no dmic or there is only
  a dummy audio device in the gnome-contro-center. This possibility is
  very low too, We have tested this SRU on Dell and Lenovo dmic machines,
  they worked as well as before. And for the LENOVO dual codec machine,
  we don't have the hw at the moment, but changes for this machine are
  all coming from upstream, and Cert team will verify the -proposed on
  this machine since they have the machine. For other ucm machines, the
  regression possibility is very low since this SRU doesn't touch their
  ucm at all.

  This SRU doesn't introduce any external API changes

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