Hi!
[ Upstream commit fd8d135b2c5e88662f2729e034913f183455a667 ]
Add a HID_QUIRK_X_INVERT/HID_QUIRK_Y_INVERT quirk that can be used to invert the X/Y values.
AFAICT this simply adds unused code to at least 4.19 and 5.10 stable releases.
Best regards, Pavel