Section "ServerLayout", move /etc/X11/xorg.conf.d/10-ServerLayout.conf to /etc/X11/xorg.conf.d/10-ServerLayout.conf.bkp and edit /boot/grub/menu.lst to have usbhid.quirks=0x0eef:0x0001:0x4 in the kernel row, e.g.
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "EETI" "SendCoreEvents"
EndSection
Section "InputDevice"
Identifier "EETI"
Driver "egalax"
Option "Device" "/dev/tkpanel0"
Option "ScreenNo" "0"
EndSection
kernel /boot/vmlinuz-2.6.36-slitaz root=/dev/hda2 usbhid.quirks=0x0eef:0x0001:0x4to avoid that the builtin usbhid kernel driver take control of the touchscreen in place of the tkusb module.
It looks like you're new here. If you want to get involved, click one of these buttons!