Comment 0 for bug 973704

Repro steps:

pre-requisites:
 - Laptop with working speakers. i am using Thinkpad X201
- Display with HDMI or Display port
- Speakers plugged into the Display

Steps:
- Ensure laptop is not connected to the display
- Play an audio file using Rhythmbox or Totem
- Audio should play fine from the laptop speakers
- Plug in screen and open the sound preferences. Notice the presence of Analog and HDMI/Display port outputs under the "output" tab.
- Analog should be selected

- Plug in screen via the HDMI or the Disiplay pot (I am using display port)
- Ensure speakers are plugged into the screen
- Swtich audio output to HDMI/Display port.
- Sounds no longer there

Expecte Results"

- Sound to come out of the speakers when HDMI/Dislplay port is selected as an output device.

Please note that this used to work fine 2 or so weeks ago on the same laptop, cable, screen and speakers.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: pulseaudio 1:1.1-0ubuntu14
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
Uname: Linux 3.2.0-22-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0-0ubuntu4
Architecture: amd64
Date: Wed Apr 4 15:48:35 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
ProcEnviron:
 LANGUAGE=en_CA:en
 TERM=xterm
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: pulseaudio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 6QET68WW (1.38 )
dmi.board.name: 32492HU
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6QET68WW(1.38):bd12/01/2011:svnLENOVO:pn32492HU:pvrThinkPadX201:rvnLENOVO:rn32492HU:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 32492HU
dmi.product.version: ThinkPad X201
dmi.sys.vendor: LENOVO