Please, give me an advice.
I have a 7" display with touch and the display works flawlessly, but the touch has a rotating Y axis - so when I click up, it clicks down and vice versa...
Can you please advise me how to invert the touch or calibrate it somehow? Thank you
Touchscreen inverted Y axis
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mcallegari
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try setting
QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS="rotate=180"
documentation https://doc.qt.io/qt-5/inputs-linux-device.html
or QT_QPA_EGLFS_ROTATION
documentation here: https://doc.qt.io/qt-5/embedded-linux.html#eglfs
QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS="rotate=180"
documentation https://doc.qt.io/qt-5/inputs-linux-device.html
or QT_QPA_EGLFS_ROTATION
documentation here: https://doc.qt.io/qt-5/embedded-linux.html#eglfs