Public bug reported:

Most things work well, including

- Sound works on the internal speakers
- The internal microphone works (although when brought to 100% the sound 
saturates, but it's not problematic)
- The external microphone works when connected (same issue)
- The headphone is correctly detected

(note: it's the same plug for the headphone and the mic, I'm using both
a stereo headphone and a OnePlus 5 free-hands kit to test)

However the problem is that I do not hear the audio output in the
headset. I do hear some squeaking sound whenever a sound starts playing.

I've fiddled all things I could find using the "HDA Analyzer" script,
but nothing changed. I also have tried all solutions from Google results
for both this chip and this line of computers (which do all have sound
issues, although not this one). I also tried a Windows reboot but to no
effect.

Thanks for help :)

ProblemType: Bug
DistroRelease: elementary 0.4.1
Package: alsa-base 1.0.25+dfsg-0ubuntu5 [origin: Ubuntu]
ProcVersionSignature: Ubuntu 4.10.0-30.34~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-30-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/pcmC0D0c:   remy       9209 F...m pulseaudio
 /dev/snd/controlC0:  remy       9209 F.... pulseaudio
CurrentDesktop: Pantheon
Date: Wed Aug 16 14:29:54 2017
InstallationDate: Installed on 2017-05-20 (87 days ago)
InstallationMedia: elementary OS 0.4.1 "Loki" - Stable amd64 (20170517)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Black Headphone Out, Left
Symptom_Type: No sound at all
Title: [HP Spectre x360 Convertible 13-w0XX, Realtek ALC295, Black Headphone 
Out, Left] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F.20
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 827E
dmi.board.vendor: HP
dmi.board.version: 94.54
dmi.chassis.type: 31
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrF.20:bd12/01/2016:svnHP:pnHPSpectrex360Convertible13-w0XX:pvr:rvnHP:rn827E:rvr94.54:cvnHP:ct31:cvrChassisVersion:
dmi.product.name: HP Spectre x360 Convertible 13-w0XX
dmi.sys.vendor: HP
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2017-08-16T13:58:07.139250

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug loki third-party-packages

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https://bugs.launchpad.net/bugs/1711126

Title:
  HP Spectre x360 13-w0XX, Realtek ALC295, Black Headphone Out, No sound
  at all

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