Hello all,

I am porting android to my ARM9 device and am having problems getting the touchscreen to work. On my device the touchpanel driver passes absolute X/Y co-ordinate values to the kernel input subsystem. When i touch the screen, more often than not , nothing happens. But on rare occassions the main screen left/right scroll button might move or the browser "google search" button might get pressed - but even for this i have to give a real good thumb press, a firm tap is not enough.

I ran open source program evtest (which is an input event tester) and it reported the co-ordinates of all my touches.

I then ran strace for the zygote process - i noticed that all of my taps/touches/presses are read() by some thread which opens the /dev/ input/event1 device, but no action is taken on the reported events.

I also modified the (touchpanel) hardware reported raw X/Y co-ordinate values so that they correspond to the screen size (640x480 landscape) and then passed these values to the kernel input subsytem, but there was no change in behaviour.

I have read on some posts about "porting tslib" - what is this for ? Is it required here ? Also some posts mention "normarlization of the coordination" and "auto calibration using sysfs" - what do they mean ?

Any pointers/help would be appreciated

Regards