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It is my understanding that I can disable my touchscreen by adding Option "Ignore" "on" to this file 

          /usr/share/X11/xorg.conf.d/10-evdev.conf

 Section "InputClass"
          Identifier "evdev touchscreen catchall"
          MatchIsTouchscreen "on"
          MatchDevicePath "/dev/input/event*"
          Driver "evdev"
          EndSection

so it would look like this

 Section "InputClass"
          Identifier "evdev touchscreen catchall"
          MatchIsTouchscreen "on"
          MatchDevicePath "/dev/input/event*"
          Driver "evdev"
          Option "Ignore" "on"
          EndSection

What would happen if I simplied changed MatchIsTouchscreen to "off"?

 Section "InputClass"
          Identifier "evdev touchscreen catchall"
          MatchIsTouchscreen "off"
          MatchDevicePath "/dev/input/event*"
          Driver "evdev"
          EndSection

Would this disable my touchscreen?

Shawn Moore
  • 235
  • I disable my touchscreen by xinput --disable 'ELAN Touchscreen', having identified my touchscreen in xinput -list – Charles Green Jun 10 '17 at 03:48
  • i currently use xinput on start up, this is not the answer i am looking for. My question is. What would happen if I simply changed MatchIsTouchscreen to "off"? – Shawn Moore Jun 10 '17 at 10:31

1 Answers1

0

Edited file the file with 

sudo nano /usr/share/X11/xorg.conf.d/10-evdev.conf

Changed MatchIsTouchscreen from "on" to "off"

Section "InputClass"
        Identifier "evdev touchscreen catchall"
        MatchIsTouchscreen "off"
        MatchDevicePath "/dev/input/event*"
        Driver "evdev"
        EndSection

"ELAN touchscreen" is disabled and no longer detected in xinput list.

wjandrea
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Shawn Moore
  • 235
  • ---- CAVEAT ---- Doing this on my ASUS made my mouse and keyboard stop working. I then had to edit the 10-evdev.conf file using the VERY LIMITED onscreen keyboard (no arrow keys or ctrl key). Before trying this solution, first attempt to add the Option "Ignore" "on" line (worked for me).

    If you add the "off" line and it breaks your keyboard run the following via onscreen keyboard to fix your laptop: sudo su && cd /usr/share/X11/xorg.conf.d/ && mv 10-evdev.conf evdevold && sed 's/"off"/"on"/g' evdevold > 10-evdev.conf && reboot. Open this on your phone so you have it handy if needed.

     – Steven Moseley Jul 29 '19 at 20:32