Please try ubuntu kernel 5.11.0-19-generic or later version. Looks like it is a soundwire audio codec on your machine.
-- 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/1931756 Title: [XPS 17 9700, Intel Kabylake HDMI, Digital Out, HDMI] Playback problem Status in alsa-driver package in Ubuntu: New Bug description: I have tried modifications to DKMS, modprobe.d, pulseaudio and alsa but all were no sound. The modprobe,d modifications did result in the "dummy" message being replaced by a device. This was done 2 installs ago,sorry. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 Uname: Linux 5.10.0-051000-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.18 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: pbea 1894 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: KDE CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read kernel buffer failed: Operation not permitted Date: Fri Jun 11 23:34:27 2021 InstallationDate: Installed on 2021-06-11 (0 days ago) InstallationMedia: Kubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Digital Out, HDMI Symptom_PulsePlaybackTest: PulseAudio playback test successful Symptom_Type: None of the above Title: [XPS 17 9700, Intel Kabylake HDMI, Digital Out, HDMI] Playback problem UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/04/2021 dmi.bios.release: 1.7 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.7.2 dmi.board.name: 0P25F6 dmi.board.vendor: Dell Inc. dmi.board.version: A03 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.7.2:bd03/04/2021:br1.7:svnDellInc.:pnXPS179700:pvr:rvnDellInc.:rn0P25F6:rvrA03:cvnDellInc.:ct10:cvr: dmi.product.family: XPS dmi.product.name: XPS 17 9700 dmi.product.sku: 098F dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1931756/+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
