I haven't been able to get this working properly. I was able to get sound with this approach a few months ago, but I was getting "AMP short" errors, which I'm sure can't be good.
On 6/5/23 06:45, bugzilla-dae...@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=208555 > > --- Comment #766 from Thomas Gfeller (thomas.gfeller+ker...@q-drop.com) --- > (In reply to Cameron Berkenpas from comment #765) >> Alas, you are correct. The good news is that this is being worked on for >> the Legion... But it seems to be for the latest model of the Legion >> (which does haven't Cirrus Logic, it has TI smart amps IIRC). I have the >> 2nd to latest (which I think came out less than a year ago). >> >> Hopefully from there they can work on my model... And perhaps Lenovo can >> begin to branch out from there. >> >> It's really too early to guess where things will go, but I'm hopeful. >> >> >> On 5/20/23 5:01 PM, bugzilla-dae...@kernel.org wrote: >>> https://bugzilla.kernel.org/show_bug.cgi?id=208555 >>> >>> Alexis Cuglietta (alexis.cuglie...@gmail.com) changed: >>> >>> What |Removed |Added >>> >> ---------------------------------------------------------------------------- >>> CC| >> |alexis.cuglie...@gmail.com >>> --- Comment #763 from Alexis Cuglietta (alexis.cuglie...@gmail.com) --- >>> I do have exactly the same issue on a ThinkBook 13x Gen 2 running Ubuntu >>> 23.04 >>> (kernels 6.2.0 and 6.3.3): no sound from the internal speakers, although >>> sound >>> works when using the external 3.5mm jack. The laptop has the same chips: >>> ALC287/3306 codec and CS35L41/CSC3551 amplifier. >>> >>> journalctl displays the following message: >>> "Error: ACPI _DSD Properties are missing for HID CSC3551" >>> >>> I have extracted the DST tables using ACPICA and did not see any reference >> to >>> the 2 parameters required by the CS35L41 driver: "cirrus" and "dev-index". >>> >>> My conclusion is there is probably some work required from the Lenovo BIOS >>> team >>> :( >>> > I just found > > https://superuser.com/questions/1719920/no-sound-from-internal-speakers-on-laptop-but-headphone-jack-and-hdmi-works > with the link > https://gist.github.com/lamperez/862763881c0e1c812392b5574727f6ff > > It sounds very much like this problem right here. Can we build a workaround > for > our machines? Extracting the respective data from Windows and injecting it > into > our Linux istallations? > -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1958019 Title: [Lenovo Legion7 16ACHg6 82N6, Realtek ALC287, Speaker, Internal] No sound at all Status in sound-2.6 (alsa-kernel): Confirmed Status in alsa-driver package in Ubuntu: Confirmed Bug description: On my Lenovo Legion-7-16ACHg6 laptop I can't hear any sound by internal speakers, but it work by headphones connected to standard jack aux. uname -r 5.11.0-44-generic ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.11.0-44.48~20.04.2-generic 5.11.22 Uname: Linux 5.11.0-44-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: i3draven 1266 F.... pulseaudio /dev/snd/controlC0: i3draven 1266 F.... pulseaudio /dev/snd/controlC1: i3draven 1266 F.... pulseaudio /dev/snd/pcmC1D0p: i3draven 1266 F...m pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sat Jan 15 15:10:53 2022 InstallationDate: Installed on 2021-10-11 (96 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:Generic failed Symptom_Card: Family 17h (Models 10h-1fh) HD Audio Controller - HD-Audio Generic Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: i3draven 1266 F.... pulseaudio /dev/snd/controlC0: i3draven 1266 F.... pulseaudio /dev/snd/controlC1: i3draven 1266 F.... pulseaudio /dev/snd/pcmC1D0p: i3draven 1266 F...m pulseaudio Symptom_Jack: Speaker, Internal Symptom_Type: No sound at all Title: [82N6, Realtek ALC287, Speaker, Internal] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/08/2021 dmi.bios.release: 1.49 dmi.bios.vendor: LENOVO dmi.bios.version: GKCN49WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: SDK0R32862 WIN dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Legion 7 16ACHg6 dmi.ec.firmware.release: 1.49 dmi.modalias: dmi:bvnLENOVO:bvrGKCN49WW:bd11/08/2021:br1.49:efr1.49:svnLENOVO:pn82N6:pvrLegion716ACHg6:skuLENOVO_MT_82N6_BU_idea_FM_Legion716ACHg6:rvnLENOVO:rnLNVNB161216:rvrSDK0R32862WIN:cvnLENOVO:ct10:cvrLegion716ACHg6: dmi.product.family: Legion 7 16ACHg6 dmi.product.name: 82N6 dmi.product.sku: LENOVO_MT_82N6_BU_idea_FM_Legion 7 16ACHg6 dmi.product.version: Legion 7 16ACHg6 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/sound-2.6/+bug/1958019/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
