[iMac14,2, Cirrus Logic CS4206, Speaker, Internal] No sound at all

[Sohaib Imran]

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ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-54.58~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-54-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: sohaib 1788 F.... pulseaudio
 /dev/snd/controlC0: sohaib 1788 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Jul 2 14:21:48 2019
InstallationDate: Installed on 2019-06-30 (1 days ago)
InstallationMedia: Ubuntu 16.04.6 LTS "Xenial Xerus" - Release amd64 (20190227)
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_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: sohaib 1788 F.... pulseaudio
 /dev/snd/controlC0: sohaib 1788 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: No sound at all
Title: [iMac14,2, Cirrus Logic CS4206, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/16/2019
dmi.bios.vendor: Apple Inc.
dmi.bios.version: 137.0.0.0.0
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-27ADBB7B4CEE8E61
dmi.board.vendor: Apple Inc.
dmi.board.version: iMac14,2
dmi.chassis.type: 13
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-27ADBB7B4CEE8E61
dmi.modalias: dmi:bvnAppleInc.:bvr137.0.0.0.0:bd04/16/2019:svnAppleInc.:pniMac14,2:pvr1.0:rvnAppleInc.:rnMac-27ADBB7B4CEE8E61:rvriMac14,2:cvnAppleInc.:ct13:cvrMac-27ADBB7B4CEE8E61:
dmi.product.family: iMac
dmi.product.name: iMac14,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.