https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=3f8783084aa03d04e7757ced337fa415744489a5
the patch which added support of DC7600
https:/ /git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ commit/ sound/pci/ hda/patch_ realtek. c?id=3f8783084a a03d04e7757ced3 37fa415744489a5
the patch which added support of DC7600