[Satellite Pro P200, Realtek ALC268, Black Headphone Out, Front] No sound at all

[ed20900]

No sound. Anything. PulseAudio Volume Control shows sound going through it (sound level bar moves), but jack does not output anything.
Old bugs which had the same problem with the same laptop:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1360641
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1224099

These bugs occurred on old kernel versions from 12.04 LTS and 14.04 LTS.
The laptop I'm working on is on Ubuntu 16.04 LTS, upgraded from Ubuntu 14.04.5 LTS which was updated from Ubuntu 12.04 LTS itself.

I have tried running the LiveCDs of Ubuntu 16.04.2 LTS and Ubuntu 16.10 and still the laptop has no sound in the headphones jack.
So, the issue remains unsolved with newer kernels or in a fresh environment.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-64.85-generic 4.4.44
Uname: Linux 4.4.0-64-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: antonio 2165 F.... pulseaudio
 /dev/snd/controlC1: antonio 2165 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Mar 6 16:15:45 2017
InstallationDate: Installed on 2012-07-22 (1688 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Audio Interno - HDA Intel
Symptom_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: antonio 2165 F.... pulseaudio
 /dev/snd/controlC1: antonio 2165 F.... pulseaudio
Symptom_Jack: Black Headphone Out, Front
Symptom_Type: No sound at all
Title: [Satellite Pro P200, Realtek ALC268, Black Headphone Out, Front] No sound at all
UpgradeStatus: Upgraded to xenial on 2017-03-01 (4 days ago)
dmi.bios.date: 10/23/2007
dmi.bios.vendor: TOSHIBA
dmi.bios.version: V1.90
dmi.board.name: ISRAA
dmi.board.vendor: TOSHIBA
dmi.board.version: 1.00
dmi.chassis.asset.tag: *
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnTOSHIBA:bvrV1.90:bd10/23/2007:svnTOSHIBA:pnSatelliteProP200:pvrPSPB7E-00Q00HCE:rvnTOSHIBA:rnISRAA:rvr1.00:cvnTOSHIBA:ct10:cvrN/A:
dmi.product.name: Satellite Pro P200
dmi.product.version: PSPB7E-00Q00HCE
dmi.sys.vendor: TOSHIBA
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2017-03-05T21:14:03.997095

[ed20900 (ed20900)]

If you add options snd-hda-intel model=inv-dmic option to /etc/modprobe.d/alsa-base.conf, works.

There seems to be a problem with this laptop. I never needed to add that option to get the headphone jack to work. But on bug https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1224099 a user reported that using that option in Ubuntu 14.04 LTS fixed the problem. But as I said, I didn't need it before. Whatever changes do to the kernel, they broke something in the driver.