With a TV connected via HDMI and audio output through HDMI, closing the laptop lid causes sound to switch to the analogue output (laptop speakers / 3.5mm jack) instead of coming out of the TV.
Ubuntu 16.04 - Unity.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0c: user 1262 F...m pulseaudio
/dev/snd/controlC0: user 1262 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Apr 24 21:09:24 2016
InstallationDate: Installed on 2016-04-23 (1 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: None of the above
Title: [HDA-Intel - HDA Intel PCH, playback] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/15/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 8QET58WW (1.19 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2338A24
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: 03BB70102620111222001427
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8QET58WW(1.19):bd08/15/2013:svnLENOVO:pn2338A24:pvrThinkPadX130e:rvnLENOVO:rn2338A24:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2338A24
dmi.product.version: ThinkPad X130e
dmi.sys.vendor: LENOVO
Opening the lid also disables HDMI and switches back to analogue