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Dmitry Gordin
Dmitry Gordin

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Disable Dualsence touchpad on Ubuntu

Valve's efforts in making the Steam Deck (which runs a Debian-based distro) have enabled hassle-free gaming on Linux machines. I finished Witcher 3 with Sony's DualSense controller and am now playing Helldivers 2. Surprisingly, HD2 even supports haptic feedback and adaptive triggers. I didn't think I would be able to try these features without a PS5.

However, one little annoying thing was preventing me from fully enjoying the game and spreading managed democracy — the touchpad of the DualSense was interpreted as a mouse. Anytime I wanted to open the in-game map, it acted as a mouse and changed the control to the keyboard.

Solution

sudo nano /etc/X11/xorg.conf.d/30--dualsense-touchpad.conf

Section "InputClass"
    Identifier "Sony Interactive Entertainment Wireless Controller Touchpad"
    Driver "libinput"
    MatchIsTouchpad "on"
    Option "Ignore" "true"
EndSection
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Then, log out from user or just reboot pc.
Now the DualSense acts exactly the same way as if it were attached to a PS5.

Credits archlinux forum

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