https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/pci/hda/patch_analog.c?qt=grep&q=ad1986a
https:/ /git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ log/sound/ pci/hda/ patch_analog. c?qt=grep& q=ad1986a