Public bug reported:
My preferred sound output is HDMI which works fine.
Occasionally I use some bluetooth headphones which work fine too.
Once the headphones are switched off though, ubuntu reverts to speaker output -
instead of the expected HDMI output, hence I have to manually select HDMI again.
This happens every time after switching off bluetooth sound.
Thanks
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
Uname: Linux 5.4.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: manolis 939 F.... pulseaudio
/dev/snd/pcmC0D3p: manolis 939 F...m pulseaudio
/dev/snd/controlC1: manolis 939 F.... pulseaudio
/dev/snd/pcmC1D0c: manolis 939 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Sep 25 14:12:37 2020
InstallationDate: Installed on 2020-09-24 (1 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:HDMI successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: None of the above
Title: [HDA-Intel - HDA Intel HDMI, playback] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/10/2020
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: VB1004
dmi.board.asset.tag: Default string
dmi.board.name: U57
dmi.board.vendor: AZW
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 35
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrVB1004:bd06/10/2020:svnAZW:pnU57:pvrDefaultstring:rvnAZW:rnU57:rvrDefaultstring:cvnDefaultstring:ct35:cvrDefaultstring:
dmi.product.family: Mini PC
dmi.product.name: U57
dmi.product.sku: SKU1
dmi.product.version: Default string
dmi.sys.vendor: AZW
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1897264
Title:
speaker instead of hdmi output after bluetooth
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