Hi, I also have the same issue. In my case, I use DP to connect my monitor to my computer and I was able to use the monitor's built in audio without problems. I have even reinstalled Ubuntu just to check if it was my fault that the audio stopped working. Note, the audio works on Windows.
I am currently on kernel 5.19.0-38-generic. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/2007913 Title: HDMI Output sound has disappeared after Ubuntu update Status in alsa-driver package in Ubuntu: Confirmed Bug description: After months using the HDMI output without problems, it has stopped working after a system update two days ago. HDMI output is not listed in the list of available output devices. Same computer works with this sound output perfectly when booting with Windows or an older installation of Ubuntu (18.04). ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: alsa-base 1.0.25+dfsg-0ubuntu7 ProcVersionSignature: Ubuntu 5.19.0-32.33~22.04.1-generic 5.19.17 Uname: Linux 5.19.0-32-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.3 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Tue Feb 21 08:12:58 2023 EcryptfsInUse: Yes InstallationDate: Installed on 2022-04-30 (296 days ago) InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419) PackageArchitecture: all ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=ca_ES.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Title: USB sound card not detected UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/20/2021 dmi.bios.release: 5.13 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: M01EWR120 dmi.board.asset.tag: OEM Default string000 dmi.board.name: OEM Default string000 dmi.board.vendor: OEM Default string000 dmi.board.version: OEM Default string000 dmi.chassis.asset.tag: OEM Default string000 dmi.chassis.type: 10 dmi.chassis.vendor: OEM Default string000 dmi.chassis.version: OEM Default string000 dmi.ec.firmware.release: 1.2 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrM01EWR120:bd10/20/2021:br5.13:efr1.2:svnCHUWIInnovationAndTechnology(ShenZhen)co.,Ltd:pnCoreBox:pvrOEMDefaultstring000:rvnOEMDefaultstring000:rnOEMDefaultstring000:rvrOEMDefaultstring000:cvnOEMDefaultstring000:ct10:cvrOEMDefaultstring000:skuOEMDefaultstring000: dmi.product.family: OEM Default string000 dmi.product.name: CoreBox dmi.product.sku: OEM Default string000 dmi.product.version: OEM Default string000 dmi.sys.vendor: CHUWI Innovation And Technology(ShenZhen)co.,Ltd mtime.conffile..etc.modprobe.d.alsa-base.conf: 2022-05-15T20:34:56.735127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/2007913/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
