Debian – Configure touchscreen on Debian

debiantouch screen

I have got Samsung Q1 Ultra with Debian Squeeze on it. Everything works okay, except touchscreen.

The arrow almost does not respond to touching — it only moves once in a while to a random place after the screen being touched.

I have tried to calibrate the screen using xinput-calibrate, but it did not do anything, as the arrow did not respond to touching.

X11 generates configuration on start up, so I don't have Xorg.conf to append, but I have /user/share/X11/xorg.conf.d/10-evdev.conf.

Should I try a different driver (if there are others)? Or is there some configuration that needs to be done? Or what might be wrong?

Best Answer

Following this page, Debian support for touchscreen is incomplete/under development.
You need to play a lot, and upgrade your Debian at least to wheezy (or maybe jessie).

Related Solutions

Calibrating a touch-screen on dual monitors (one touch one not)

I have it working now. The first thing I did was to install the latest version of the display driver from the xorg repo. I'm not sure if this step was absolutely necessary since it doesn't seem to have changed the output from xrandr much, but it didn't hurt anyway:

$ sudo apt-add-repository ppa:xorg-edgers/ppa
$ sudo apt-get update
$ sudo apt-get dist-upgrade
$ aptitude search <my-graphics-card-brand>
$ sudo apt-get install <corresponding package>

Now xrandr shows DP-1 with more properties:

$ xrandr
Screen 0: minimum 320 x 200, current 2732 x 768, maximum 8192 x 8192
eDP-1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 193mm
   1366x768      60.00*+  40.00  
   1360x768      59.80    59.96  
   1024x768      60.04    60.00  
   960x720       60.00  
   928x696       60.05  
   896x672       60.01  
   960x600       60.00  
   960x540       59.99  
   800x600       60.00    60.32    56.25  
   840x525       60.01    59.88  
   800x512       60.17  
   700x525       59.98  
   640x512       60.02  
   720x450       59.89  
   640x480       60.00    59.94  
   680x384       59.80    59.96  
   576x432       60.06  
   512x384       60.00  
   400x300       60.32    56.34  
   320x240       60.05  
VGA-1 disconnected (normal left inverted right x axis y axis)
DP-1 connected 1366x768+1366+0 (normal left inverted right x axis y axis) 344mm x 194mm
   1360x768      59.80    59.96  
   1024x768      60.04    60.00  
   960x720       60.00  
   928x696       60.05  
   896x672       60.01  
   960x600       60.00  
   960x540       59.99  
   800x600       60.00    60.32    56.25  
   840x525       60.01    59.88  
   800x512       60.17  
   700x525       59.98  
   640x512       60.02  
   720x450       59.89  
   640x480       60.00    59.94  
   680x384       59.80    59.96  
   576x432       60.06  
   512x384       60.00  
   400x300       60.32    56.34  
   320x240       60.05  
HDMI-1 disconnected (normal left inverted right x axis y axis)

And then start X and run the following command to assign eDP-1 as the touchscreen:

$ xinput --map-to-output $(xinput list --id-only "Elan Touchscreen") eDP-1

The manpage of xinput (v.1.6.2) mentions that the device name can be given as a string as well. Therefore, this would also work:

$ xinput --map-to-output "Elan Touchscreen" eDP-1

Best Answer

Related Solutions

Calibrating a touch-screen on dual monitors (one touch one not)

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