Public bug reported:
The Master mixer does not change the volume from the headphone output
(which is affected by the headphone mixer). Instead it only seems to
control the on-board speaker volume. This confuses PulseAudio greatly as
the Master channel is merged into the volume mix.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-23.36-generic 2.6.35.7
Uname: Linux 2.6.35-23-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ben 14085 F.... alsamixer
ben 14546 F.... pulseaudio
/dev/snd/pcmC0D0p: ben 14546 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'ICH6'/'Intel ICH6 with STAC9750,51 at irq 16'
Mixer name : 'SigmaTel STAC9750,51'
Components : 'AC97a:83847650'
Controls : 38
Simple ctrls : 24
Date: Sun Oct 31 20:58:40 2010
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SelectedCard: 0 ICH6 ICH4 - Intel ICH6
SourcePackage: alsa-driver
Symptom: audio
Title: [ICH4 - Intel ICH6] Playback problem
dmi.bios.date: 03/02/2005
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 0U8082
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA03:bd03/02/2005:svnDellInc.:pnLatitudeD610:pvr:rvnDellInc.:rn0U8082:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude D610
dmi.sys.vendor: Dell Inc.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 maverick
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[ICH4 - Intel ICH6] Dell Latitude D610 - Master mixer doesn't effect headphone
output
https://bugs.launchpad.net/bugs/669279
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