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AM5728: Weston - Touch Screen issues

Part Number: AM5728

Hello,

I am encountering a unique issue with the touchscreen on our 5728 board. We have a custom board that runs the Weston display manager, and we've configured a Qt application to start automatically after every boot.

The problem we're facing is that, in about 2 out of 10 boot cycles, the touchscreen does not respond to our Qt application, although it does respond to Weston's default applications like the Weston editor and terminal. We have used the "evtest" tool to verify the touch inputs, and it seems that the touch events are being detected properly with no apparent issues.

To resolve this problem, we currently have to either restart Weston using the command "/etc/init.d/weston restart" or perform a system reboot. However, we are looking for a more permanent solution to this issue.

Here are the relevant software versions and details:

- Weston version: 2.0.0
- Qt version: 5.9.7
- Touchscreen driver: ar1021

If you have any insights or suggestions on how to fix this problem, please let me know. We are open to providing any additional information or logs that might be necessary to diagnose and resolve this issue.

Regards,

Swaroop Muralidharan