[Inspiron 13-7359, Conexant CX20722, Black Headphone Out, Left] No sound at all

[DJ]

headset output not working
audio device not properly detected
have not tested input

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5
Uname: Linux 4.2.0-35-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: dj 1665 F.... pulseaudio
CurrentDesktop: GNOME
Date: Mon May 2 11:50:40 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-12-17 (136 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
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_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: dj 1665 F.... pulseaudio
Symptom_Jack: Black Headphone Out, Left
Symptom_Type: No sound at all
Title: [Inspiron 13-7359, Conexant CX20722, Black Headphone Out, Left] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/07/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 01.00.00
dmi.board.name: 0TDTV6
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr01.00.00:bd08/07/2015:svnDellInc.:pnInspiron13-7359:pvr:rvnDellInc.:rn0TDTV6:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Inspiron 13-7359
dmi.sys.vendor: Dell Inc.

[Daniel van Vugt (vanvugt)]

Thank you for reporting this bug to Ubuntu.
Ubuntu 15.10 (wily) reached end-of-life on July 28, 2016.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed.