Public bug reported:
Speaker audio channel goes mute after plugging in the headphone and
unmute after the headphone is plugged out. By consequence there is no
sound when trying to listen the sound by headphones.
This is a pulseaudio problem and can be circumvent by just editing
/usr/share/pulseaudio/alsa-mixer/paths/analog-output-headphones.conf and
commenting the line as here:
[Jack_InputDevice]
#code = Headphone
This will avoid pulseaudio to change profiles when headphone is plugged
in.
Some people affected by this bug don't get the headphones muted, but
only a very low volume, this workaround could help too. But to some
computer models this workaround could let the sound play by headphones
and speaker by the same time (most people don't desire that).
On my computer model ( HP Pavilion DV-4 2080br ) the workaround works
well and the sound goes only by the headphone, as expected.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-15-generic 3.0.0-15.26
ProcVersionSignature: Ubuntu 3.0.0-15.26-generic 3.0.13
Uname: Linux 3.0.0-15-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: henrique 16836 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xe8500000 irq 45'
Mixer name : 'IDT 92HD81B1X5'
Components : 'HDA:111d7605,103c1409,00100402'
Controls : 18
Simple ctrls : 10
Date: Wed Jan 25 02:58:14 2012
GvfsMonitorLog: Monitoring events. Press Ctrl+C to quit.
HotplugNewDevices:
HotplugNewMounts:
InstallationMedia: Kubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
MachineType: Hewlett-Packard HP Pavilion dv4 Notebook PC
ProcEnviron:
LANGUAGE=pt_BR:pt:en
LANG=pt_BR.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-15-generic
root=UUID=32414ec2-9ef6-46d9-a944-7715529ebc08 ro
RelatedPackageVersions:
linux-restricted-modules-3.0.0-15-generic N/A
linux-backports-modules-3.0.0-15-generic N/A
linux-firmware 1.60
SourcePackage: linux
StagingDrivers: mei
Symptom: storage
UdevMonitorLog:
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
UdisksMonitorLog: Monitoring activity from the disks daemon. Press Ctrl+C to
cancel.
UpgradeStatus: Upgraded to oneiric on 2011-10-14 (102 days ago)
dmi.bios.date: 03/30/2010
dmi.bios.vendor: Insyde
dmi.bios.version: F.0C
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1409
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 50.17
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnInsyde:bvrF.0C:bd03/30/2010:svnHewlett-Packard:pnHPPaviliondv4NotebookPC:pvr049C200000241220000030000:rvnHewlett-Packard:rn1409:rvr50.17:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv4 Notebook PC
dmi.product.version: 049C200000241220000030000
dmi.sys.vendor: Hewlett-Packard
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric staging
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https://bugs.launchpad.net/bugs/921397
Title:
Speaker audio channel goes mute after plugging in the headphone
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