I have an A105-S4211 and can confirm that echo'ing various numbers to /proc/acpi/video/GFX0/LCD/brightness works well.
-- Fn Keys do not work on Toshiba a105-s4334 https://launchpad.net/bugs/81401 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
