Touchsreen Tiny210 not respond !!!

carlos
Dear all!

i have just bought tiny210, and compiling Qt,tslib following these
instructions
(http://importgeek.wordpress.com/2012/04/09/compiling-qt-and-tslib-for-mi...;
OK! not any errors!

After that, i use Qt wrote a my app : hello word (following this
instrution).
run :
cd /myapp
./hello -qws

The program displays on tiny210. But TOUCHSCREEN NOT RESPOND. I could'n
touch any button in Hello program.
I tried with files in DEMOS of Qt. But it's same!

Pls help me! Thanks a lot!