Public bug reported:

My headphones are detected when plugged in.
But when I choose headphones from sound setting, the audio still comes from 
speaker and headphones.
This happens only when its a 3.5mm headphone jack.
Works fine with a usb one.
Please help.

Thanks,
Waqar Baig

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-25.26~14.04.1-generic 3.19.8-ckt2
Uname: Linux 3.19.0-25-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/pcmC0D0c:   webwerks   5005 F...m pulseaudio
 /dev/snd/controlC0:  webwerks   5005 F.... pulseaudio
 /dev/snd/pcmC1D0c:   webwerks   5005 F...m pulseaudio
 /dev/snd/controlC1:  webwerks   5005 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue May 15 10:35:43 2018
InstallationDate: Installed on 2016-08-24 (628 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Black Headphone Out, Left
Symptom_Type: No auto-mute between outputs
Title: [Latitude E6230, IDT 92HD93BXX, Black Headphone Out, Left] No automute
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/10/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 08FR4N
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvrA08:bd12/10/2012:svnDellInc.:pnLatitudeE6230:pvr01:rvnDellInc.:rn08FR4N:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6230
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1771264

Title:
  [Dell Latitude Black Headphone Out] Audio from both headphone and
  speaker

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