Nick Hoffman ha scritto:
> hi guys. i've been having a lot of problems with the touchpad on my
> 15" MBP C2D. it's actually 2 problems:
>
> 1) sometimes when i boot, the touchpad doesn't work at all. when this
> occurs, the symlink /dev/input/touchpad that this udev rule is
> supposed to make doesn't exist:
>
> SUBSYSTEMS=="usb", DRIVERS=="appletouch",
> ATTRS{interface}=="Touchpad", SYMLINK+="input/touchpad"
>
> 2) sometimes when i boot, the touchpad works, but when i try to run
> syndaemon, this error occurs:
> Can't access shared memory area. SHMConfig disabled?
>
> when either of these problems occur, i reboot one or more times, and
> eventually everything works as desired.
>
> i'm running Debian Etch (4.0), 2.6.21.1+mactel , along with the
> appletouch patch from linuxpowertop.org . below is what i've specified
> for my touchpad in xorg.conf :
>
> Section "InputDevice"
> Identifier "Synaptics Touchpad"
> Driver "synaptics"
> Option "Device" "/dev/input/touchpad"
> Option "Protocol" "event"
>
> does anyone else experience either or both of these problems
> intermittently? what synaptics config do you have in xorg.conf ?
>
> thanks,
> Nick
>
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People seem to have shared their appletouch configs, so here's mine
also. I'm quite pleased with it, except that the Palm/Two finger
detection does not seem to work.
Section "InputDevice"
Identifier "Synaptics Touchpad"
Driver "synaptics"
Option "AlwaysCore"
# Option "Device"
"/dev/input/by-id/usb-Apple_Computer_Apple_Internal_Keyboard_._Trackpad-mouse"
Option "Device" "/dev/input/mice"
Option "Protocol" "auto-dev"
Option "HorizScrollDelta" "0"
Option "SHMConfig" "true"
Option "TouchpaddOff" "0"
# How fast the two-finger scrolling scrolls. The lower, the faster.
Option "VertScrollDelta" "25"
Option "HorizScrollDelta" "25"
# Location of the touchpad edges, somewhat sane values
# that I found by testing. Xmin=0, Xmax=1216, Ymin=0,Ymax=387
Option "LeftEdge" "100"
Option "RightEdge" "1116"
Option "TopEdge" "50"
Option "BottomEdge" "337"
# Touch and "untouch" thresholds
Option "FingerLow" "25"
Option "FingerHigh" "50"
# We DO NOT want palm triggering middle/right mouse
# button events, so a tap has to be quite fast
Option "MaxTapTime" "100"
Option "MaxTapMove" "100"
Option "MaxDoubleTapTime" "200"
# Enable vertical (right) edge scrolling with one finger
Option "VertEdgeScroll" "1"
# Enable horizontal (bottom) edge scrolling with one finger
Option "HorizEdgeScroll" "0"
# Disable two finger scrolling, as we have the edge scrolling
enabled already
Option "VertTwoFingerScroll" "0"
Option "HorizTwoFingerScroll" "0"
# Left top corner of the touchpad shall be the middle mouse button
# Bottom buttons tend to get triggered accidentally.
Option "LTCornerButton" "2"
# Right top corner of the touchpad shall be the right mouse button
Option "RTCornerButton" "3"
# Disable bottom corners
Option "LBCornerButton" "0"
Option "RBCornerButton" "0"
# Fast taps
Option "FastTaps" "0"
# Disable tapping of the touchpad (excluding the corners, of course)
Option "TapButton1" "0"
Option "TapButton2" "0"
Option "TapButton3" "0"
# Movement speed settings
Option "MinSpeed" "0.2"
Option "MaxSpeed" "0.6"
Option "AccelFactor" "0.35"
# Palm detection. Does not seem to work on Macbook
Option "PalmDetect" "1"
Option "PalmMinWidth" "10" #1-15
Option "PalmMinZ" "200" #1-255
# Various other variables
Option "UpDownScrolling" "0"
Option "LeftRightScrolling" "0"
EndSection
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