[850XBD, Realtek ALC256, Black Headphone Out, Right] Background noise or low volume

[Igor Pontes Tresolavy]

Laptop's (Samsung Odyssey) speaker works fine, but headphone presents incredibly low volume and buzzing/crackling noise only when sound is being played

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.13.0-30.33~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-30-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: ipontes3olavy 1497 F.... pulseaudio
 /dev/snd/pcmC0D0p: ipontes3olavy 1497 F...m pulseaudio
 /dev/snd/controlC1: ipontes3olavy 1497 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Feb 23 12:37:47 2022
InstallationDate: Installed on 2022-02-22 (0 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
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_Jack: Black Headphone Out, Right
Symptom_Type: High background noise, or volume is too low
Title: [850XBD, Realtek ALC256, Black Headphone Out, Right] Background noise or low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/19/2021
dmi.bios.release: 5.13
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P03AHZ.009.210719.JJ
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP850XBD-XG2BR
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SGLA185A0K-C01-G001-S0001+10.0.18362
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP03AHZ.009.210719.JJ:bd07/19/2021:br5.13:svnSAMSUNGELECTRONICSCO.,LTD.:pn850XBD:pvrP03AHZ:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP850XBD-XG2BR:rvrSGLA185A0K-C01-G001-S0001+10.0.18362:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:skuSCAI-A5A5-A5A5-A5A5-PAHZ:
dmi.product.family: Odyssey Series
dmi.product.name: 850XBD
dmi.product.sku: SCAI-A5A5-A5A5-A5A5-PAHZ
dmi.product.version: P03AHZ
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.