There's no patch for your laptop yet. Assuming your sound bar is initialized through verbs (I suspect it is), you'll need to find the verb sequence yourself: https://github.com/thiagotei/linux-realtek-alc287/tree/cameron
Once there's a working verb sequence, a patch can be created. On 5/23/22 04:50, bugzilla-dae...@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=208555 > > --- Comment #611 from singo (hnsinan...@gmail.com) --- > Hello everyone, > > I really appreciate this thread and all of the solutions that have been > produced for this issue. Thanks to everyone contributing, especially Cameron > Berkenpas who has been very helpful to a number of users and the main driving > force for fixes:) > > Now to my issue: I own a Lenovo Yoga 7i 15ITL05 82AC with the ALC287. > Currently > it runs Ubuntu 22.04. LTS with the included 5.15 Kernel. Before I have run > Pop_OS 21.04. and 22.04. With all these distros, the sound worked partially > but > never fully. The experience is the same as many other users here, where there > would only be sound coming out the from the downward firing speakers, but not > from the soundbar above the keyboard, which are the bass speakers judging by > the tinny sound I get now. The sound works beautifully in Windows, since the > lower end frequencies can be replayed. > > Quite honestly, I've lost the overview over this thread and am not so sure > which patch I should apply. I've tried manually update my Ubuntu 22.04. to > the > mainline 5.17 Kernel, which worked OS-wise but didn't change sound. My hope > was > that the sound patches have been included in that Kernel, but it seems > they're > only working for the Legion 7. > > Could someone point me to the right patch or verbs that have to be applied > for > my Lenovo model in order for the bass speakers to work? Maybe someone has > figured it out for this particular case? > > Much thanks in advance. > > Here's my alsa-info: > > http://alsa-project.org/db/?f=ad3990bed59a24417ea6429250275012611a0302 > -- 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
