[Galaxy Book 12, Realtek ALC298, Speaker, Internal] No sound at all

[Nathanael Inkson]

No sound at all, through speakers or headphones jack.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: natty 4286 F.... pulseaudio
CurrentDesktop: Unity:Unity7:ubuntu
Date: Thu Aug 2 15:07:12 2018
InstallationDate: Installed on 2017-10-12 (293 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
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: gdm 1248 F.... pulseaudio
                      natty 4286 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [Galaxy Book 12, Realtek ALC298, Speaker, Internal] No sound at all
UpgradeStatus: Upgraded to bionic on 2018-04-04 (120 days ago)
dmi.bios.date: 06/26/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P02HAC.004.170626.WY.1442
dmi.board.asset.tag: No Asset Tag
dmi.board.name: SM-W720NZKBBTU
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SGL8766A2S-C01-G001-S0001+10.0.14393
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 32
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP02HAC.004.170626.WY.1442:bd06/26/2017:svnSAMSUNGELECTRONICSCO.,LTD.:pnGalaxyBook12:pvrP02HAC:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSM-W720NZKBBTU:rvrSGL8766A2S-C01-G001-S0001+10.0.14393:cvnSAMSUNGELECTRONICSCO.,LTD.:ct32:cvrN/A:
dmi.product.family: SAMSUNG GALAXY
dmi.product.name: Galaxy Book 12
dmi.product.version: P02HAC
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2017-10-13T14:38:49.320280

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Tobias Dæ (r-or)]

Also affects me. I attached the alsa-info.txt created by Alsainfo: https://wiki.ubuntu.com/Audio/AlsaInfo

[Cedric (dreeck)]

Hello, in the expectation that a hacker comes to save us from the claws of MS (which is supposedly loves linux ...), here is the list of what works or not works :

Works :

    External HDMI connector (adapter): Select "HDMI 1"
    Bluetooth

Does not work :

    Internal jack connector
    External jack connector (adapter)
    Internal speakers