you need virtualbox verbose log which provide debug messages printed by LogFlowFunc()
the linux driver check those ad specific registers for multi codecs , and ADI compatiable mode
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/sound/pci/ac97/ac97_patch.c
you need virtualbox verbose log which provide debug messages printed by LogFlowFunc()
the linux driver check those ad specific registers for multi codecs , and ADI compatiable mode
https:/ /git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ tree/sound/ pci/ac97/ ac97_patch. c