[HDA-Intel - HDA Intel PCH, playback] No sound at all

[akbar riyadi]

only HDMI detected, no speaker or headphone hardware

**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
Uname: Linux 5.10.2-051002-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: nli 988 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read kernel buffer failed: Operation not permitted
Date: Mon Oct 25 15:06:53 2021
InstallationDate: Installed on 2021-10-21 (4 days ago)
InstallationMedia: Xubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
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: nli 988 F.... pulseaudio
Symptom_Type: No sound at all
Title: [HDA-Intel - HDA Intel PCH, playback] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/06/2021
dmi.bios.release: 1.19
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: BSR7IPHK-68E4D-AVI-V19
dmi.board.name: GCG605WC40
dmi.board.vendor: AVITA
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 10
dmi.chassis.vendor: AVITA
dmi.chassis.version: Default string
dmi.ec.firmware.release: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrBSR7IPHK-68E4D-AVI-V19:bd09/06/2021:br1.19:efr1.0:svnAVITA:pnNE14A2:pvrDefaultstring:rvnAVITA:rnGCG605WC40:rvrDefaultstring:cvnAVITA:ct10:cvrDefaultstring:
dmi.product.family: CN6814G
dmi.product.name: NE14A2
dmi.product.sku: CN68E4C45M7ID-MB00B
dmi.product.version: Default string
dmi.sys.vendor: AVITA
modified.conffile..etc.modprobe.d.alsa-base.conf: [modified]
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2021-10-23T15:02:40.410508