Comment 6 for bug 1988658

$ lspci | grep -i audio
00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
01:00.1 Audio device: NVIDIA Corporation TU116 High Definition Audio Controller (rev a1)

*** Is there REALLY Realtek audio hardware in here too?
*** or just a partly initialized driver due to the missing hardware?

Looks as that driver(?) in linux-modules-extra-(uname -r)...

$ apt-file find snd-hda-intel | grep $(uname -r)
linux-modules-extra-5.13.0-52-generic: /lib/modules/5.13.0-52-generic/kernel/sound/pci/hda/snd-hda-intel.ko

$ apt-file find snd-hda-intel | wc -l
576