Public bug reported:

When I attach my external speakers to my laptop I have to switch the
audio output connector manually from analog speakers to analog output
and visa versa.

uname -a
Linux vivi 2.6.38-8-generic #41-Ubuntu SMP Tue Apr 5 19:30:49 UTC 2011 x86_64 
x86_64 x86_64 GNU/Linux

cat /proc/version_signature
Ubuntu 2.6.38-8.41-generic 2.6.38.2

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic 2.6.38-8.41
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
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:  joshua     1902 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xdb100000 irq 43'
   Mixer name   : 'IDT 92HD75B3X5'
   Components   : 'HDA:111d7603,103c3659,00100202'
   Controls      : 20
   Simple ctrls  : 12
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xd3000000 irq 16'
   Mixer name   : 'Nvidia GPU 0b HDMI/DP'
   Components   : 'HDA:10de000b,10de0101,00100100'
   Controls      : 16
   Simple ctrls  : 4
Date: Fri Apr  8 19:16:23 2011
HibernationDevice: RESUME=UUID=9a852483-c9fa-49d7-b4da-34290b09119a
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110408)
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic 
root=UUID=f16afe16-cccb-4ec3-be34-61f1c955eb38 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-8-generic N/A
 linux-backports-modules-2.6.38-8-generic  N/A
 linux-firmware                            1.50
SourcePackage: linux
StagingDrivers: brcm80211
Title: [STAGING]
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/05/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.1D
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3659
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 32.25
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.1D:bd10/05/2010:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr049E210000141210000020000:rvnHewlett-Packard:rn3659:rvr32.25:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 049E210000141210000020000
dmi.sys.vendor: Hewlett-Packard
--- 
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
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:  joshua     1902 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xdb100000 irq 43'
   Mixer name   : 'IDT 92HD75B3X5'
   Components   : 'HDA:111d7603,103c3659,00100202'
   Controls      : 20
   Simple ctrls  : 12
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xd3000000 irq 16'
   Mixer name   : 'Nvidia GPU 0b HDMI/DP'
   Components   : 'HDA:10de000b,10de0101,00100100'
   Controls      : 16
   Simple ctrls  : 4
DistroRelease: Ubuntu 11.04
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110408)
Package: alsa-base 1.0.24+dfsg-0ubuntu1
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Tags:  natty running-unity
Uname: Linux 2.6.38-8-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 10/05/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.1D
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3659
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 32.25
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.1D:bd10/05/2010:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr049E210000141210000020000:rvnHewlett-Packard:rn3659:rvr32.25:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 049E210000141210000020000
dmi.sys.vendor: Hewlett-Packard

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug apport-collected kernel-sound natty 
needs-upstream-testing running-unity staging

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https://bugs.launchpad.net/bugs/754840

Title:
  Have to switch manually between audio output connectors

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