Ubuntu On Sony Vaio FW Series

Tips & Tricks related to Sony Vaio FW series laptops

Sensitive touchpad

with 7 comments

Vaio laptops usually have ALPS touchpads which we can configure using gsynaptics.

First install it with
sudo apt-get install gsynaptics

then open /etc/X11/xorg.conf for editing
sudo nano /etc/X11/xorg.conf

and put this line into “Synaptics Touchpad” section you found there
Option "SHMConfig" "true".

The whole section should look like this:

Section "InputDevice"
Identifier      "Synaptics Touchpad"
Driver          "synaptics"
Option          "SendCoreEvents"        "true"
Option          "Device"        "/dev/psaux"
Option          "Protocol"      "auto-dev"
Option          "HorizEdgeScroll"       "0"
Option          "SHMConfig"      "true"

If you have not this section in your xorg.conf (like on Intrepid), just add it using code above.
Then make logout and login back and run gsynaptics from menu System->Preferences->Touchpad.

P.S. Who knows how to make that double-quotes look like original in wordpress?

UPD: Sorry, we have ALPS touchpad in Vaio. But gsynaptics helps anyway. Post fixed.

UPD2: Mikko Tikkanen mentioned abouth another way how to turn it on

Written by egaistek

September 11, 2008 at 03:09

Posted in Vaio

Tagged with , , , ,

7 Responses

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  1. Hmm. Seems that the comment system stripped all the XML tags.. 😛 Besides, it seems that I accidentally removed the wrong line 😀

    Oh well, lets try again.
    From this:

    <match key="info.product" contains="AlpsPS/2 ALPS">
    <merge key="input.x11_driver" type="string">synaptics</merge>

    to this:

    <match key="info.product" contains="AlpsPS/2 ALPS">
    <merge key="input.x11_driver" type="string">synaptics</merge>
    <merge key="input.x11_options.SHMConfig" type="string">true</merge>

    Now, you should replace all the [ -brackets with appropriate angle brackets, so that it resembles XML.

    The point is to add the SHMConfig true to different file. 🙂 Hope I didn’t fuck this one up too.


    Mikko Tikkanen

    November 9, 2008 at 00:34

  2. Thanks for the tip.

    I have edited your comment to show code right.

    You can read here about code highlight: http://faq.wordpress.com/2007/09/03/how-do-i-post-source-code/


    November 9, 2008 at 02:00

  3. Can you tell me where Mikko Tikkanen’s code is supposed to go?

    Intrepid Newb

    January 21, 2009 at 17:22

  4. Sorry, just realized that I’ve deleted too much =)
    XML should go into /usr/share/hal/fdi/policy/20thirdparty/11-x11-synaptics.fdi.


    March 4, 2009 at 04:47

  5. I have a VGN-FW21M and I tried this setting unsuccessfully. When I try “dmesg | grep Alps” it returns nothing so I believe I have a different type of touchpad, but reading the output of dmesg, it seems the touchpad is not seen at all. Any hint on how to find a solution ?


    March 21, 2009 at 21:10

  6. I suggest you don’t modify xorg.conf in the latest Ubuntu release as the documentation says it’s and outdated technique.

    We need to modify XML .fdi files in the hal folder. Here’s an explanation: http://bhagwad.com/blog/2009/04/configure-alps-touchpad-in-ubuntu-904-jaunty-jackalope.html

    Bhagwad Park

    April 30, 2009 at 04:27

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