Touch Rotation with 10″ Display from Joy-IT

I got myself a 10″ multi-touch display from Joy-IT for my Raspberry. I’m quite satified with the display, it has a relatively high resolution, very good display quality, good viewing angle, and touch works very well – the necessary driver is included in Raspbian. Two things that could be better: The backlight is not software-controllable, and the position of the HDMI and USB connectors is not optimal. In the end I want to use the display mounted vertically in a wall, so I included the line

into /boot/config.txt. Unfortunately this only rotates the display, not the touch input, so […]