Mar 11 2009

HOWTO: Fix lame touchpad speed on Dell XPS M1530 in Ubuntu

Ubuntu 8.10 Intrepid Ibex

New Xserver in Ubuntu 8.10 requires changing settings via HAL instead of xorg.conf file. To change touchpad’s settings in HAL you have to create new .fdi file:

gksudo gedit /etc/hal/fdi/policy/xps-touchpad.fdi

and fill it with:

<?xml version="1.0" encoding="ISO-8859-1"?>
<deviceinfo version="0.2">
 <device>
  <match key="input.x11_driver" string="synaptics">
   <merge key="input.x11_options.LeftEdge" type="string">120</merge>
   <merge key="input.x11_options.RightEdge" type="string">830</merge>
   <merge key="input.x11_options.TopEdge" type="string">120</merge>
   <merge key="input.x11_options.BottomEdge" type="string">650</merge>
   <merge key="input.x11_options.FingerLow" type="string">14</merge>
   <merge key="input.x11_options.FingerHigh" type="string">15</merge>
   <merge key="input.x11_options.MaxTapTime" type="string">180</merge>
   <merge key="input.x11_options.MaxTapMove" type="string">110</merge>
   <merge key="input.x11_options.ClickTime" type="string">0</merge>
   <merge key="input.x11_options.EmulateMidButtonTime" type="string">75</merge>
   <merge key="input.x11_options.VertScrollDelta" type="string">10</merge>
   <merge key="input.x11_options.HorizScrollDelta" type="string">0</merge>
   <merge key="input.x11_options.MinSpeed" type="string">0.45</merge>
   <merge key="input.x11_options.MaxSpeed" type="string">0.95</merge>
   <merge key="input.x11_options.AccelFactor" type="string">0.06</merge>
   <merge key="input.x11_options.EdgeMotionMinSpeed" type="string">200</merge>
   <merge key="input.x11_options.EdgeMotionMaxSpeed" type="string">200</merge>
   <merge key="input.x11_options.UpDownScrolling" type="string">1</merge>
   <merge key="input.x11_options.CircularScrolling" type="string">0</merge>
   <merge key="input.x11_options.SHMConfig" type="string">true</merge>
  </match>
 </device>
</deviceinfo>

then:

sudo /etc/init.d/hal restart

and restart Xserver (Ctrl+Alt+Backspace)

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