Comment 21 for bug 222164

Confirmed!
I need that backport too - tried it already myself using Prevu v.0.5.0 from Repos but failed due to a error during compilation:
"...
make[2]: Entering directory `/var/cache/prevu/src/23898/xf86-input-evtouch-0.8.8'
/bin/bash ./libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -DXINPUT -Wall -g -O2 -I/usr/include/xorg -I/usr/include/pixman-1 -Wall -g -O2 -MT evtouch_drv_la-evtouch.lo -MD -MP -MF .deps/evtouch_drv_la-evtouch.Tpo -c -o evtouch_drv_la-evtouch.lo `test -f 'evtouch.c' || echo './'`evtouch.c
libtool: compile: gcc -DHAVE_CONFIG_H -I. -DXINPUT -Wall -g -O2 -I/usr/include/xorg -I/usr/include/pixman-1 -Wall -g -O2 -MT evtouch_drv_la-evtouch.lo -MD -MP -MF .deps/evtouch_drv_la-evtouch.Tpo -c evtouch.c -fPIC -DPIC -o .libs/evtouch_drv_la-evtouch.o
evtouch.c: In function 'EVTouchProcessRel':
evtouch.c:354: warning: unused variable 'dummy'
evtouch.c: In function 'DeviceInit':
evtouch.c:656: warning: passing argument 3 of 'InitValuatorClassDeviceStruct' makes pointer from integer without a cast
evtouch.c:656: error: too few arguments to function 'InitValuatorClassDeviceStruct'
evtouch.c: In function 'ConvertProc':
evtouch.c:935: warning: ignoring return value of 'write', declared with attribute warn_unused_result
evtouch.c:936: warning: ignoring return value of 'write', declared with attribute warn_unused_result
make[2]: *** [evtouch_drv_la-evtouch.lo] Error 1
make[2]: Leaving directory `/var/cache/prevu/src/23898/xf86-input-evtouch-0.8.8'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/var/cache/prevu/src/23898/xf86-input-evtouch-0.8.8'
make: *** [build-stamp] Error 2
dpkg-buildpackage: failure: debian/rules build gave error exit status 2
..."

So please provide help.