On Mon, 13 Jun 2022 09:54:47 +0200, Hans de Goede wrote: > > Hi All, > > There is a problem with the sound on the Lenovo Yoga Duet 7 13IML05, which > requires a SND_PCI_QUIRK to fix. But there already is an existing quirk > for another Lenovo laptop using the same PCI subsys vend + prod ids. > > For more details see: > https://wiki.archlinux.org/title/Lenovo_Yoga_Duet_7_13IML05#Audio > > So I guess this means that we need to add a way to also include a DMI match > for SND_PCI_QUIRKs ? > > Maybe add a: > > const struct dmi_systemid *dmi_ids; > > member to struct snd_pci_quirk and a new > SND_PCI_QUIRK_DMI macro to set this? Do both machines have the very same codec? I couldn't find alsa-info.sh output for Duet 7, but at least, C940 seems with ALC298 (0x10ec0298), judging from https://bugzilla.kernel.org/show_bug.cgi?id=205755 If Duet 7 has a different codec (e.g. ALC287 0x10ec0287), we can distinguish from that. Takashi
