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Install 4" touch screen support

Hi,

I want to use the MC21-4-U touch screen, which says "No Signal" with HifiberryOS.

There are installation scripts for Rasbian and other OSs (not HifiberryOS) at https://github.com/goodtft/LCD-show but these do not work as is on HifiberryOS.

Before I start to try to adapt the scripts to HifiberryOS I want to ask if it can work at all. These lines make me nervous:

sudo cp ./usr/inittab /etc/
sudo cp -rf ./usr/99-fbturbo.conf-HDMI /usr/share/X11/xorg.conf.d/99-fbturbo.conf
if [ ! -d /etc/X11/xorg.conf.d ]; then
sudo mkdir /etc/X11/xorg.conf.d
fi
sudo cp -rf ./usr/99-calibration.conf-397-270 /etc/X11/xorg.conf.d/99-calibration.conf

Maybe the inittab is not needed. But what about the /usr/share/X11/xorg.conf.d/99-fbturbo.conf and 99-calibration.conf ? Would these work this way?

Thanks for help! Christian

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