[Lenovo Legion Pro 7 16IRX8 82WR, Realtek ALC287, Speaker, Internal] No sound at all

[Corwin Cimler]

Legion-Pro-7-16IRX8 has no sound from built-in speakers, sound works over bluetooth and monitor speakers.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.2.0-35.35~22.04.1-generic 6.2.16
Uname: Linux 6.2.0-35-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: bamm 2380 F.... pulseaudio
 /dev/snd/controlC1: bamm 2380 F.... pulseaudio
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Oct 20 17:02:36 2023
InstallationDate: Installed on 2023-10-20 (0 days ago)
InstallationMedia: Ubuntu 22.04.3 LTS "Jammy Jellyfish" - Release amd64 (20230807.2)
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
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: bamm 2380 F.... pulseaudio
 /dev/snd/controlC1: bamm 2380 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [82WR, Realtek ALC287, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/20/2023
dmi.bios.release: 1.38
dmi.bios.vendor: LENOVO
dmi.bios.version: KWCN38WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T76461 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Legion Pro 7 16IRX8
dmi.ec.firmware.release: 1.38
dmi.modalias: dmi:bvnLENOVO:bvrKWCN38WW:bd06/20/2023:br1.38:efr1.38:svnLENOVO:pn82WR:pvrLegionPro716IRX8:rvnLENOVO:rnLNVNB161216:rvrSDK0T76461WIN:cvnLENOVO:ct10:cvrLegionPro716IRX8:skuLENOVO_MT_82WR_BU_idea_FM_LegionPro716IRX8:
dmi.product.family: Legion Pro 7 16IRX8
dmi.product.name: 82WR
dmi.product.sku: LENOVO_MT_82WR_BU_idea_FM_Legion Pro 7 16IRX8
dmi.product.version: Legion Pro 7 16IRX8
dmi.sys.vendor: LENOVO

[Daniel Letzeisen (dtl131)]

You probably need a fixup in the kernel for 17aa:3846
Example: https://github.com/torvalds/linux/blob/486291a0e6246364936df1ecd64c90affef4b9c5/sound/pci/hda/patch_realtek.c#L10328

You probably also need updated cirrus firmware.