https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/ac97/ac97_patch.c?id=4235a31784f59c9be5ff71534743c055091f9735
this patch add 8ch support of alc850 but your motherboard don't need those retasking of Mic jack since it have black and orange jacks
https:/ /git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ commit/ sound/pci/ ac97/ac97_ patch.c? id=4235a31784f5 9c9be5ff7153474 3c055091f9735
this patch add 8ch support of alc850 but your motherboard don't need those retasking of Mic jack since it have black and orange jacks