Dne 18. 11. 20 v 10:25 Mukunda, Vijendar napsal(a): > [AMD Public Use] AMD: You just replicated my original question without any answer (2 weeks+). Do you have something to share or do you not support your code? Jaroslav > -----Original Message----- > From: Jaroslav Kysela <perex@xxxxxxxx> > Sent: Wednesday, November 18, 2020 2:37 PM > To: Mukunda, Vijendar <Vijendar.Mukunda@xxxxxxx> > Cc: ALSA development <alsa-devel@xxxxxxxxxxxxxxxx> > Subject: snd-rn-pci-acp3x - auto dmic detection unreliable > > Hi, > > it seems that the ACPI auto-detection of the presence the digital microphone connected to AMD Renoir audio bridge is unreliable. It may be that hardware vendors do not provide the correct ACPI tables. > Could you clarify the usage of _WOV integer value? It seems that this value is set on those plaforms which do not have the digital microphone (the microphone is connected to the HDA codec): > > _WOV integer value should be set only when DMIC is connected to APU. > When DMIC is not available, _WOV integer value should be set to zero by BIOS. > > Lenovo IdeaPad 5 (15ARE05) > Lenovo Thinkpad X395 > > In any case, we should probably improve the auto-detection using DMI or other platform info. > > Jaroslav > > BugLink: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.redhat.com%2Fshow_bug.cgi%3Fid%3D1892115&data=04%7C01%7CVijendar.Mukunda%40amd.com%7C4d901531b6454bebc58208d88ba15a4b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637412872412887848%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=S7769uYGT3db%2BaztzZyobmVN2leseXPqjR6pktFUaR0%3D&reserved=0 > > -- > Jaroslav Kysela <perex@xxxxxxxx> > Linux Sound Maintainer; ALSA Project; Red Hat, Inc. > -- Jaroslav Kysela <perex@xxxxxxxx> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
