Have you tried the backlight[0] utility they added to the base system? None of the sysctls I've found have worked at adjusting my laptop's backlight but the bac

Have you tried the backlight[0] utility they added to the base system? None of the sysctls I've found have worked at adjusting my laptop's backlight but the backlight utility itself succeeds for me (on an AMD framework laptop). [0] https://man.freebsd.org/cgi/man.cgi?backlight https://man.freebsd.org/cgi/man.cgi?backlight