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Enable MultiTouch for Synaptics Touchpad on Debian - Revision history
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Falz at 15:17, 9 July 2014
2014-07-09T15:17:45Z
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Data for this was found primarily in the first link below. It took a while to get it working until I found the 2nd link.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Data for this was found primarily in the first link below. It took a while to get it working until I found the 2nd link.</div></td></tr>
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Falz
http://falz.net/index.php?title=Enable_MultiTouch_for_Synaptics_Touchpad_on_Debian&diff=18&oldid=prev
Falz: Created page with "Category:Tech Data for this was found primarily in the first link below. It took a while to get it working until I found the 2nd link. * http://techdigger.wordpress.com/2..."
2014-07-09T15:05:40Z
<p>Created page with "<a href="/index.php?title=Category:Tech&action=edit&redlink=1" class="new" title="Category:Tech (page does not exist)">Category:Tech</a> Data for this was found primarily in the first link below. It took a while to get it working until I found the 2nd link. * http://techdigger.wordpress.com/2..."</p>
<p><b>New page</b></p><div>[[Category:Tech]]<br />
Data for this was found primarily in the first link below. It took a while to get it working until I found the 2nd link.<br />
<br />
* http://techdigger.wordpress.com/2009/04/02/multitouch-on-synaptics-trackpad-on-linux/ - '''xorg.conf''' config info<br />
* http://groups.google.com/group/linux.debian.user/browse_thread/thread/98cb32d263ba5501 - '''SHMConfig''' requires '''ServerLayout''' section in xorg.conf<br />
<br />
Your '''xorg.conf''' must use the '''synaptics''' driver with some options for '''InputDevice''' and must contain a '''ServerLayout''' section:<br />
Section "ServerLayout"<br />
Identifier "Default Server Layout"<br />
Screen "Default Screen"<br />
InputDevice "Generic Keyboard" "CoreKeyboard"<br />
InputDevice "Synaptics Touchpad" "CorePointer"<br />
EndSection<br />
<br />
Section "InputDevice"<br />
Identifier "Synaptics Touchpad"<br />
Driver "synaptics"<br />
Option "SendCoreEvents" "true"<br />
Option "Device" "/dev/psaux"<br />
Option "Protocol" "auto-dev"<br />
Option "HorizScrollDelta" "0"<br />
Option "SHMConfig" "on"<br />
Option "HorizEdgeScroll" "on"<br />
Option "VertEdgeScroll" "on"<br />
Option "VertTwoFingerScroll" "on<br />
Option "HorizTwoFingerScroll" "on"<br />
Option "CornerCoasting" "on"<br />
Option "PalmDetect" "on"<br />
Option "CircularScrolling" "on"<br />
Option "CircScrollTrigger" "3"<br />
EndSection<br />
<br />
Restart X and run test it out by dragging two fingers on your touchpad. You can debug it with:<br />
synclient -m 100<br />
<br />
Sample output below. the '''f''' column is the number of fingers it senses. The bold parts show a successful vertical scroll.<br />
time x y z '''f''' w l r u d m multi gl gm gr gdx gdy<br />
0.414 1 5855 2 2 5 0 0 0 0 0 00000000 0 0 0 0 0<br />
0.514 1 5855 0 0 0 0 0 0 0 0 00000000 0 0 0 0 0<br />
0.714 1 5855 1 2 5 0 0 0 0 0 00000000 0 0 0 0 0<br />
0.814 1 5855 0 0 0 0 0 0 0 0 00000000 0 0 0 0 0<br />
'''2.115 4032 3273 23 1 8 0 0 0 0 0 00000000 0 0 0 0 0'''<br />
'''2.215 3967 3252 91 1 9 0 0 0 0 0 00000000 0 0 0 0 0'''<br />
'''2.316 3945 3043 94 2 5 0 0 0 0 0 00000000 0 0 0 0 0'''<br />
'''2.416 3921 2583 94 2 5 0 0 0 0 0 00000000 0 0 0 0 0'''<br />
'''2.516 3887 2160 94 2 5 0 0 0 0 0 00000000 0 0 0 0 0'''<br />
'''2.616 3858 1754 94 2 5 0 0 0 0 0 00000000 0 0 0 0 0'''<br />
'''2.716 3851 1704 94 2 5 0 0 0 0 0 00000000 0 0 0 0 0'''<br />
'''2.816 2449 1539 0 0 0 0 0 0 0 0 00000000 0 0 0 0 0'''<br />
2.916 1 5855 1 2 5 0 0 0 0 0 00000000 0 0 0 0 0<br />
3.016 1 5855 0 0 0 0 0 0 0 0 00000000 0 0 0 0 0<br />
3.216 1 5855 1 2 5 0 0 0 0 0 00000000 0 0 0 0 0<br />
3.316 1 5855 0 0 0 0 0 0 0 0 00000000 0 0 0 0 0<br />
3.416 1 5855 1 2 5 0 0 0 0 0 00000000 0 0 0 0 0<br />
3.517 1 5855 0 0 0 0 0 0 0 0 00000000 0 0 0 0 0<br />
<br />
If you get this error:<br />
Can't access shared memory area. SHMConfig disabled?<br />
<br />
You may be missing the '''ServerLayout''' reference to '''CorePointer'''.</div>
Falz