Hello Hui Wang,

Just ran these commands, still no sound out of the speakers on my side.
Best Regards,

Thibaut Soubrié

Le ven. 9 juil. 2021 à 09:25, Hui Wang <1918...@bugs.launchpad.net> a
écrit :

> Please test this command:
>
> sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x10
> sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x0e20
> //please test if speaker works.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1918458
>
> Title:
>   [Swift SF515-51T, Realtek ALC256, Grey Speaker, Internal] Playback
>   problem, no sound from speakers, headphones ok
>
> Status in alsa-driver package in Ubuntu:
>   Confirmed
>
> Bug description:
>   Expect : sound from speaker
>   Instead, obtain : no sound.
>
>
>   Tried various configuration of /etc/modprobe.d/alsa-conf with :
>
>   options snd-hda-intel model=XXXX and
>   options snd-intel-dspcfg dsp_driver=3 or 1
>   and systematic reboot.
>
>   Either I get dummy output, or I get proper output detection, alsamixer
>   and pavucontrol seems 100% ok, but no sound comes from the speakers.
>
>   I'm under a dualboot with Windows 10, BIOS fast boot disabled.
>   Ubuntu 20.04.2 LTS
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 20.04
>   Package: alsa-base 1.0.25+dfsg-0ubuntu5
>   ProcVersionSignature: Ubuntu 5.8.0-44.50~20.04.1-generic 5.8.18
>   Uname: Linux 5.8.0-44-generic x86_64
>   ApportVersion: 2.20.11-0ubuntu27.16
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  thibauts   1522 F.... pulseaudio
>    /dev/snd/pcmC0D0p:   thibauts   1522 F...m pulseaudio
>   CasperMD5CheckResult: skip
>   CurrentDesktop: ubuntu:GNOME
>   Date: Wed Mar 10 18:10:30 2021
>   InstallationDate: Installed on 2021-03-09 (1 days ago)
>   InstallationMedia: Ubuntu 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:sofhdadsp
> failed
>   Symptom_Card: Cannon Point-LP High Definition Audio Controller -
> sof-hda-dsp
>   Symptom_Jack: Grey Speaker, Internal
>   Symptom_Type: Only some of outputs are working
>   Title: [Swift SF515-51T, Realtek ALC256, Grey Speaker, Internal]
> Playback problem
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 05/24/2019
>   dmi.bios.release: 1.4
>   dmi.bios.vendor: American Megatrends Inc.
>   dmi.bios.version: V1.04
>   dmi.board.asset.tag: Default string
>   dmi.board.name: Guinness_WL
>   dmi.board.vendor: WL
>   dmi.board.version: V1.04
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Acer
>   dmi.chassis.version: V1.04
>   dmi.ec.firmware.release: 1.6
>   dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvrV1.04:bd05/24/2019:br1.4:efr1.6:svnAcer:pnSwiftSF515-51T:pvrV1.04:rvnWL:rnGuinness_WL:rvrV1.04:cvnAcer:ct10:cvrV1.04:
>   dmi.product.family: Swift 5
>   dmi.product.name: Swift SF515-51T
>   dmi.product.sku: 0000000000000000
>   dmi.product.version: V1.04
>   dmi.sys.vendor: Acer
>   mtime.conffile..etc.modprobe.d.alsa-base.conf: 2021-03-10T18:04:19.277254
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1918458/+subscriptions
>

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1918458

Title:
  [Swift SF515-51T, Realtek ALC256, Grey Speaker, Internal] Playback
  problem, no sound from speakers, headphones ok

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1918458/+subscriptions

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