Public bug reported:
As per http://voices.canonical.com/david.henningsson/2014/03/07/headset-
jacks-on-newer-laptops/ I am opening a new bug for different hardware,
but the problem is the same as https://bugs.launchpad.net/ubuntu/+source
/unity-settings-daemon/+bug/1297790
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.10.0-21.23-generic 4.10.11
Uname: Linux 4.10.0-21-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC1D0p: thomas 2519 F...m pulseaudio
/dev/snd/controlC1: thomas 2519 F.... pulseaudio
/dev/snd/controlC0: thomas 2519 F.... pulseaudio
CurrentDesktop: Unity:Unity7
Date: Wed Jun 7 08:48:00 2017
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-04-25 (407 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
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: Green Headphone Out, Front
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: None of the above
Title: [Latitude E7450, Realtek ALC3235, Green Headphone Out, Front] Playback
problem
UpgradeStatus: Upgraded to zesty on 2017-04-14 (53 days ago)
dmi.bios.date: 05/17/2016
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A13
dmi.board.name: 0D8H72
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA13:bd05/17/2016:svnDellInc.:pnLatitudeE7450:pvr:rvnDellInc.:rn0D8H72:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E7450
dmi.sys.vendor: Dell Inc.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug zesty
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https://bugs.launchpad.net/bugs/1696320
Title:
"Unknown audio device" dialog pops up every time
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