Comment 86 for bug 311869

The guy from ArchLinux community contacted Sentelic company, and got some feedback and updates from them.
https://wiki.archlinux.org/index.php/Asus_Ux31#Sentelic_Touchpads
https://bbs.archlinux.org/viewtopic.php?id=125262&p=2
http://fsp-lnxdrv.svn.sourceforge.net/viewvc/fsp-lnxdrv/trunk/doc/fsp_packet.txt?revision=43&view=markup

I hope it's helpful for someone developing the driver ;)