Public bug reported:
Ever since I got an eGalax touchscreen and installed Intrepid, one problem I
always had was two folds:
- I need a keyboard to even be able to calibrate it, because an "enter" is
required
- No matter how I calibrate, the vertical direction on the screen is always
inverted.
Which means if I touch the top of the screen, it was as if I touched the
bottom of the screen.
So I went through Jaunty, and even Karmic, hoping that this problem
might change, but the problem still persisted.
I figured maybe no bug report was given for this.
In order for my touchscreen to work properly, I need to do the following:
1) Edit: /usr/share/hal/fdi/policy/10osvendor/50-eGalax.fdi (before Karmic)
or:
/usr/share/hal/fdi/policy/20thirdparty/50-eGalax.fdi (in Karmic)
2) Then I need to swap the miny and maxy values:
So that section goes from:
<merge key="input.x11_options.minx" type="string">130</merge>
<merge key="input.x11_options.miny" type="string">197</merge>
<merge key="input.x11_options.maxx" type="string">3945</merge>
<merge key="input.x11_options.maxy" type="string">3894</merge>
To:
<merge key="input.x11_options.minx" type="string">130</merge>
<merge key="input.x11_options.miny" type="string">3894</merge>
<merge key="input.x11_options.maxx" type="string">3945</merge>
<merge key="input.x11_options.maxy" type="string">197</merge>
After that, then my touchscreen works properly.
Another way to achieve the same result, and probably more proper, is to
just add the following options without swapping any values:
<merge key="input.x11_options.swapx" type="string">0</merge>
<merge key="input.x11_options.swapy" type="string">0</merge>
A) Is there a way for the calibration tool to detect this issue and
invert the axis when required?
B) Is there a way that the calibration continues without having to press
ENTER, as that requires a keyboard and defeats the point of a
touchscreen.
Please tell me if any other information is required.
ProblemType: Bug
Architecture: i386
Date: Wed May 20 01:34:56 2009
DistroRelease: Ubuntu 9.10
Package: xserver-xorg-input-evtouch 0.8.8-0ubuntu3 [modified:
usr/share/hal/fdi/policy/20thirdparty/50-eGalax.fdi]
ProcEnviron:
LANG=en_CA.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.30-5.6-generic
RelatedPackageVersions:
xserver-xorg 1:7.4~5ubuntu20
libgl1-mesa-glx 7.4.1-1ubuntu1
libdrm2 2.4.9-2ubuntu1
xserver-xorg-video-intel 2:2.7.0-1ubuntu2
xserver-xorg-video-ati 1:6.12.2-1ubuntu1
SourcePackage: xf86-input-evtouch
Uname: Linux 2.6.30-5-generic i686
system:
distro: Ubuntu
architecture: i686kernel: 2.6.30-5-generic
** Affects: xf86-input-evtouch (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
evtouch calibrate axis inversion feature needed
https://bugs.launchpad.net/bugs/378572
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