> I'm the one that wrote those patches for gmux on the mmio T2 macs, and > I've rebased them onto Hans' patchset with patch numbers 2004-2006 here > https://github.com/t2linux/linux-t2-patches/tree/gmux > > It seems to work fine on my T2 Macbookpro16,1, the display backlight > controls work and there aren't any other, not working, backlights > present. > >> ls /sys/class/backlight > gmux_backlight@ Thanks Orlando Since I own the same Mac as Orlando, his testing should be good enough.