Hi,
working on a new product, 7" HDMI display with optical touch should be used.
LCD works fine ( 1024x600).
But I'm hanging with touch. 
Installed is: Linux beaglebone 4.19.94-ti-r64 #1buster SMP PREEMPT Fri May 
21 23:57:28 UTC 2021 armv7l GNU/Linux
Plan is to write directly into the framebuffer, no X no desktop.
That works also fine, very fast.
But with touch .... I'm running out of ideas.
Was expecting a conflict with USB Network, is now deactivated, no change.
/dev/input/event0 is existing. But no events .
Touch hardware is ok, works fine on WIN10 PC. 
I'm sure, I'm not the first one ..... need help on that.
Thanks in advance for every good hint :-)
Kasimir

PS I checked it with destop, also. Touch doesn't work.

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