Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1630860
Title:
[HDA-Intel - HDA Intel PCH, playback] Playback problem
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
Lenovo Thinkpad P50 with docking station
Issues: Headphone jack on station not detected; no sound (works without
docking station)
Issues: Sound via HDMI on station not detected; no sound (works without
docking station)
Since all outputs are routed via the Thunderbolt chip, my guess is
that it's related to the pin setup (lenovo-dock) in Alsa. Without the
dock, everything works, headphone/mic jack on the P50 itself is
hotplug (switches from speaker to headphones right away).
Screenshots (with and without docking station) attached.
Thanks and LG,
Wolfgang
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 4.4.0-38.57~14.04.1-generic 4.4.19
Uname: Linux 4.4.0-38-generic x86_64
NonfreeKernelModules: symap_custom_dkms_x86_64 nvidia
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: wjl 2943 F.... pulseaudio
/dev/snd/controlC0: wjl 2943 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Oct 5 14:14:02 2016
InstallationDate: Installed on 2016-09-10 (24 days ago)
InstallationMedia: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64 (20160803)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: HDA NVidia - HDA NVidia
Symptom_Type: Only some of outputs are working
Title: [HDA-Intel - HDA Intel PCH, playback] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/10/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: N1EET52W (1.26 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20EQS1EH0B
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40705 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1EET52W(1.26):bd05/10/2016:svnLENOVO:pn20EQS1EH0B:pvrThinkPadP50:rvnLENOVO:rn20EQS1EH0B:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20EQS1EH0B
dmi.product.version: ThinkPad P50
dmi.sys.vendor: LENOVO
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2016-10-04T12:48:36.270399
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