Last time I tested it, the bug wasn't fixed yet.

Gabriele

Il Gio 14 Ott 2021, 21:45 Brian Murray <email address hidden> ha
scritto:

> Based off the bug comments its not clear to me if the debdiff for Focal
> actually ended up resolving the issue for people. Additionally, the
> debdiff is rather out of date as there have been a couple of SRUs of
> alsa-ucm-conf since it was created subsequently I'm unsubscribing the
> sponsors team. However, if an updated debdiff is created feel free to
> subscribe the sponsors team.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1871306
>
> Title:
>   [SRU] No sound from internal card chtmax98090 (missing UCM2 files in
>   alsa-ucm-conf)
>
> Status in OEM Priority Project:
>   New
> Status in alsa-ucm-conf package in Ubuntu:
>   Fix Released
> Status in alsa-ucm-conf source package in Focal:
>   In Progress
> Status in alsa-ucm-conf source package in Groovy:
>   Won't Fix
>
> Bug description:
>   [Impact]
>   There is no ucm for ASUS C300 in the 20.04 and 20.10, as a result,
>   the audio doesn't work on this machine after installing the 20.04 or
>   20.10.
>
>   [Fix]
>   The ucm files for this machine are in the alsa-ucm-conf 1.2.3,
>   cherry-pick them to ubuntu 20.04 and 20.10
>
>   [Test Case]
>   After booting up, use speaker to play some sound, it works well,
>   plug a headset, play sound to headphone, it basically works but has
>   some crankling noise, it is a kernel issue for this noise.
>
>   [Regression Risk]
>   This SRU adds new ucm files, If the machine uses the audio driver
>   of chtmax98090, it will apply this new added ucm files, there will
>   be speaker/headphone in the UI. So the possible regression is with
>   this SRU, users could see the audio devices in the UI but the audio
>   doesn't work (without this SRU, users couldn't see the audio devices
>   in the UI at all and the audio doesn't work). This possibility is
>   low since we tested it on the ASUS C300.
>
>
>   Asus C300 (repurposed chromembook - bios flashed by Mr.Chromebox
> script)  - Kubuntu Focal minimal fresh installation.
>   The sound card is detected: I see it in the Plasma Widget, in
> pavucontrol, in alsamixer and it's not muted.
>   I tried and add in /usr/share/alsa/ucm/chtmax98090/ the old style use
> case config files: no success.
>   I tried and unmute speakers left and right in alsamixer: no success.
>
>   I rapidly tested Ubuntu Mate Focal fresh install: I had exactly the
>   same issue.
>
>   I'm running on the same rig Debian Bullseye, kernel 5.4: sound card
>   output and input are both working perfectly - I noticed that in
>   Kubuntu alsamixer Kubuntu when I open it I have an entry HDA IntelPCH
>   (the HDMI card), while in Debian I find Pulseaudio.
>
>   I attach the alsa-info.sh output.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 20.04
>   Package: ubuntu-release-upgrader-core 1:20.04.17
>   ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
>   Uname: Linux 5.4.0-21-generic x86_64
>   ApportVersion: 2.20.11-0ubuntu24
>   Architecture: amd64
>   CrashDB: ubuntu
>   CurrentDesktop: KDE
>   Date: Tue Apr  7 08:55:46 2020
>   InstallationDate: Installed on 2020-04-04 (2 days ago)
>   InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Beta amd64
> (20200401)
>   PackageArchitecture: all
>   SourcePackage: ubuntu-release-upgrader
>   Symptom: dist-upgrade
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   ---
>   ProblemType: Bug
>   ApportVersion: 2.20.11-0ubuntu24
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC1:  gabriel3    937 F.... pulseaudio
>    /dev/snd/controlC0:  gabriel3    937 F.... pulseaudio
>   CurrentDesktop: KDE
>   DistroRelease: Ubuntu 20.04
>   InstallationDate: Installed on 2020-04-04 (3 days ago)
>   InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Beta amd64
> (20200401)
>   Lsusb:
>    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>    Bus 001 Device 004: ID 8087:07dc Intel Corp.
>    Bus 001 Device 003: ID 13d3:5657 IMC Networks USB2.0 UVC HD Webcam
>    Bus 001 Device 002: ID 062a:4101 MosArt Semiconductor Corp. Wireless
> Keyboard/Mouse
>    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>   MachineType: GOOGLE Quawks
>   Package: linux (not installed)
>   ProcFB: 0 i915drmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic
> root=UUID=225cba91-c164-4882-95d4-4f9854a80fe9 ro quiet splash
>   ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
>   RelatedPackageVersions:
>    linux-restricted-modules-5.4.0-21-generic N/A
>    linux-backports-modules-5.4.0-21-generic  N/A
>    linux-firmware                            1.187
>   Tags:  focal
>   Uname: Linux 5.4.0-21-generic x86_64
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
>   _MarkForUpload: True
>   dmi.bios.date: 03/17/2020
>   dmi.bios.vendor: coreboot
>   dmi.bios.version: MrChromebox-4.11.2
>   dmi.board.name: Quawks
>   dmi.board.vendor: GOOGLE
>   dmi.board.version: 1.0
>   dmi.chassis.type: 9
>   dmi.chassis.vendor: GOOGLE
>   dmi.modalias:
> dmi:bvncoreboot:bvrMrChromebox-4.11.2:bd03/17/2020:svnGOOGLE:pnQuawks:pvr1.0:rvnGOOGLE:rnQuawks:rvr1.0:cvnGOOGLE:ct9:cvr:
>   dmi.product.name: Quawks
>   dmi.product.version: 1.0
>   dmi.sys.vendor: GOOGLE
>
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>
>