[gentoo-user] touchpad can't scroll

["Chuanwen Wu" <wcw8410@gmail.com>]

Hi, I have a Dell 1400 laptop. The touchpad can implement most
functions except vertical scrolling, horizontal scrolling and dragging
(not only in firefox, and also other applications).

I have followed this guide
http://gentoo-wiki.com/HARDWARE_Synaptics_Touchpad, but still can't
fix the problem.

There is some information below:

 $ cat /proc/bus/input/devices
[...]
I: Bus=0011 Vendor=0002 Product=0008 Version=7325
N: Name="AlpsPS/2 ALPS GlidePoint"
P: Phys=isa0060/serio1/input0
S: Sysfs=/class/input/input5
U: Uniq=
H: Handlers=mouse1 event5
B: EV=f
B: KEY=420 670000 0 0 0 0
B: REL=3
B: ABS=1000003
[...]

And some configurations in my Xorg.conf:

Section "InputDevice"
    Identifier  "USB_Mouse"
    Driver      "mouse"
    Option "Protocol"    "Auto" # Auto detect
    Option "Device"      "/dev/input/mice"
    Option "ZAxisMapping"   "4 5"
EndSection

Section "InputDevice"
   Identifier  "TouchPad"
   Driver      "synaptics"
   Option      "Device"        "/dev/input/mouse1"
   Option      "Protocol"      "alps"
   Option      "SendCoreEvents" "true"
   Option      "SHMConfig" "on"
   Option      "ZAxisMapping"      "4 5"
   Option      "Emulate3Buttons"   "on"
   Option       "LeftEdge"      "130"
   Option       "RightEdge"     "840"
   Option       "TopEdge"       "130"
   Option       "BottomEdge"    "640"
   Option       "FingerLow"     "7"
   Option       "FingerHigh"    "8"
   Option       "MaxTapTime"    "180"
   Option       "MinTapTime" "110"
   Option       "ClickTime" "0"
   Option       "EmulateMidButtonTime" "75"
#   Option      "MaxTapMove"    "220"
   Option       "VertScrollDelta" "20"
   Option       "HorizScrollDelta" "20"
   Option       "MinSpeed"      "0.40"
   Option       "MaxSpeed"      "0.65"
   Option       "AccelFactor"   "0.030"
   Option       "EdgeMotionMinSpeed" "200"
   Option       "EdgeMotionMaxSpeed" "200"
   Option       "UpDownScrolling" "1"
   Option       "CircularScrolling" "1"
   Option       "CircScrollDelta" "0.1"
   Option       "CircScrollTrigger" "3"
   Option       "VertEdgeScroll" "on"
EndSection

Section "ServerLayout"
    Screen "Screen 1"
    InputDevice "USB_Mouse" "CorePointer"
    InputDevice "Keyboard1" "CoreKeyboard"

    Option "AIGLX" "true"
EndSection


Any help will be appreciated!

-- 
wcw
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