Probably the models of laptop each need their own set of verbs. On 2/14/22 05:34, bugzilla-dae...@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=208555 > > --- Comment #552 from Jürg Lempen (i...@jlempen.com) --- > Hi all, > > Good news for Lenovo Yoga Duet 7 13IML05 owners! > > The HDA verbs (and therefore the quirks) for the Yoga 7 work perfectly on the > Yoga Duet 7 13IML05 after the following patch is reverted: > > https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/diff/releases/5.4.89/alsa-hda-realtek-fix-speaker-volume-control-on-lenovo-c940.patch?id=1889f9ac9f9eb7f91ffc22e607a2e3db3db2e72e > > Thus, writing a kernel patch for the Yoga Duet 7 becomes trivial: > > --- a/sound/pci/hda/patch_realtek.c > +++ a/sound/pci/hda/patch_realtek.c > @@ -9008,7 +9008,7 @@ > SND_PCI_QUIRK(0x17aa, 0x3178, "ThinkCentre Station", > ALC283_FIXUP_HEADSET_MIC), > SND_PCI_QUIRK(0x17aa, 0x31af, "ThinkCentre Station", > ALC623_FIXUP_LENOVO_THINKSTATION_P340), > SND_PCI_QUIRK(0x17aa, 0x3813, "Legion 7i 15IMHG05", > ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS), > - SND_PCI_QUIRK(0x17aa, 0x3818, "Lenovo C940", > ALC298_FIXUP_LENOVO_SPK_VOLUME), > + SND_PCI_QUIRK(0x17aa, 0x3818, "Yoga Duet 7 13IML05", > ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), > SND_PCI_QUIRK(0x17aa, 0x3819, "Lenovo 13s Gen2 ITL", > ALC287_FIXUP_13S_GEN2_SPEAKERS), > SND_PCI_QUIRK(0x17aa, 0x3824, "Legion Y9000X 2020", > ALC285_FIXUP_LEGION_Y9000X_SPEAKERS), > SND_PCI_QUIRK(0x17aa, 0x3827, "Ideapad S740", > ALC285_FIXUP_IDEAPAD_S740_COEF), > > With this patch, the internal speakers, headphones, headset mic and internal > microphone all work on the Duet 7. > > Now, I'm not sure how to get this patch to be merged, as reverting the patch > for the C940 would obviously break sound on the C940. Why Lenovo decided to > use > the same subsystem ID (0x17aa, 0x3818) on both laptops is beyond me. I > haven't > been able to find another example of identical subsystem IDs for two > different > machines anywhere else in the "patch_realtek.c" file. At first, I thought > that > simply adding the quirk for the Yoga Duet 7 with the same subsystem ID might > work, as the different DMI info allows to distinguish between both laptops. > Well, that doesn't do the trick, so the only working fix right now is to > revert > the c940 patch. > > Perhaps someone from the ALSA team would know how to deal with this odd > issue. > > By the way, no need to compile the whole kernel, compiling the > 'snd-hda-codec-realtek.ko' module is enough. Backup and replace the module in > /lib/modules/5.x.x/kernel/sound/pci/hda/ with the new module you just > compiled > and reboot to have working sound. >
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1958019 Title: [Lenovo Legion7 16ACHg6 82N6, Realtek ALC287, Speaker, Internal] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/sound-2.6/+bug/1958019/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
