Touch caliberation issue for qt-4.8.7 version with qws

[Mijaz]

Hi,
I have cross-compiled QT-4.8.7 to ADRV9361 SDR board. I have successfully deployed application to board and it is woking fine with

./keypade -qws

My application woking fine with external mouse. I have capacitve touch screen but touch is not woking fine. Courser is moving away form the fingure where I touched.

I have tried to install

sudo apt-get install xserver-xorg-input-libinput

but pakaged not found .

QT_QPA_PLATFORM=xcb
QT_QPA_FB_TSLIB=1
QT_PLUGIN_PATH=/usr/local/Qt-4-8-7/plugins
QT_QPA_PLATFORM_PLUGIN_PATH=/usr/local/Qt-4-8-7/plugins/platforms
QT_QPA_GENERIC_PLUGINS=libts-0.0-0:/dev/input/touchscreen
TSLIB_TSEVENTTYPE=INPUT
TSLIB_FBDEVICE=/dev/fb0
TSLIB_TSDEVICE=/dev/input/touchscreen
TSLIB_CALIBFILE=/etc/pointercal
TSLIB_CONFFILE=/etc/ts.conf
TSLIB_PLUGINDIR=/usr/local/lib/ts

but still not woking.
any suggestion please.
How can I solve this problem ?