The "diverse" Quanta ID 0x0763 is overridden to ALC268_ACER.
This keeps headphone automute and microphone input from operating
on at least one laptop from Opti Systems.
Without the override, the BIOS parser does a fine job setting the
card up and everything works.
Tested-By: NPeter Schneider <e.at.chi.kaen@googlemail.com>
Signed-off-by: NTony Vroon <tony@linx.net>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>