Under ubuntu 12.04 for asus k52dr brigtness doesn't work
even with tweaked grub:
Code:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"
GRUB_CMDLINE_LINUX="acpi_osi=Linux"
acpi_listen works great. Just don't want manually do it as sevice. Maybe there is better solution?