[GK mini, Intel Geminilake HDMI, Digital Out, HDMI] No sound at all

My external monitor is LG 29wk600-w.

https://www.lg.com/th/consumer-monitors/lg-29WK600-W

Since March 28, 2006, there was no sound from the built-in speaker on the monitor under either 5.19.0-38 or 5.19.0-35.

Thank you in advance.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 5.19.0-38.39~22.04.1-generic 5.19.17
Uname: Linux 5.19.0-38-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.3
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: id00003 1931 F.... pulseaudio
 /dev/snd/controlC1: id00003 1931 F.... pulseaudio
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 29 08:34:11 2023
InstallationDate: Installed on 2022-10-22 (157 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
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: id00003 1931 F.... pulseaudio
 /dev/snd/controlC1: id00003 1931 F.... pulseaudio
 /dev/snd/pcmC1D0c: id00003 1931 F...m pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [GK mini, Intel Geminilake HDMI, Digital Out, HDMI] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/07/2021
dmi.bios.release: 5.13
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5.13
dmi.board.asset.tag: Default string
dmi.board.name: GK mini
dmi.board.vendor: AZW
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5.13:bd12/07/2021:br5.13:svnAZW:pnGKmini:pvrDefaultstring:rvnAZW:rnGKmini:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:
dmi.product.family: Default string
dmi.product.name: GK mini
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: AZW