On Mon, Sep 02 2013, andrewjamesturner0@gmail.com wrote: > This discussion may be of some help to you: > https://bbs.archlinux.org/viewtopic.php?id=158775 > > using acpi_osi='!Windows 2012' smoothed out the brightness control on my > t430s Thanks Andrew, this fixed the issue for me. Best, Tamas