Hi, On 6/13/22 10:28, Takashi Iwai wrote: > 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. I've just asked the reporter of this for alsa-info.sh output. So assuming the codec is indeed different how would I go about fixing this ? Regards, Hans
