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Special Forums Hardware How to *completely* disable laptop touchpad, without disabling trackpoint? Post 303041241 by DevuanFan on Tuesday 19th of November 2019 08:30:47 AM
Old 11-19-2019
How to *completely* disable laptop touchpad, without disabling trackpoint?

I run Devuan ASCII on my T400 laptop. I only use the trackpoint ("nipple mouse"). To me, the touchpad is just a nuisance.

I've discovered (by monitoring output of sudo cat /dev/input/event5) that the touchpad generates random input while the lid is closed. This causes applications that should run while the system is idle (e.g., xscreensaver) to never run while the lid is closed.

I've tried to disable the touchpad via xinput, synaptics and evtest (evtest --grab /dev/input/event5 >/dev/null 2>&1), but none of these remedy the issue. The only remedy I've found is to unbind the touchpad's driver with this command:
Code:
# echo serio1 >/sys/bus/serio/drivers/psmouse/unbind

Unfortunately, the above command has the unacceptable side effect of simultaneously unbinding serio2, which renders my trackpoint ("nipple mouse") inoperable.

Please, do you know how to *completely* disable the touchpad (e.g., via unbinding its driver) without disabling the trackpoint?

P.S. Here is some relevant information:
Code:
bruno@thinkpad:~$ cat /proc/bus/input/devices
---snip---
I: Bus=0011 Vendor=0002 Product=0007 Version=01b1
N: Name="SynPS/2 Synaptics TouchPad"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input6
U: Uniq=
H: Handlers=mouse0 event5
B: PROP=1
B: EV=b
B: KEY=420 30000 0 0 0 0
B: ABS=11000003

I: Bus=0011 Vendor=0002 Product=000a Version=0000
N: Name="TPPS/2 IBM TrackPoint"
P: Phys=synaptics-pt/serio0/input0
S: Sysfs=/devices/platform/i8042/serio1/serio2/input/input7
U: Uniq=
H: Handlers=mouse1 event6
B: PROP=21
B: EV=7
B: KEY=70000 0 0 0 0
B: REL=3

This User Gave Thanks to DevuanFan For This Post:
 

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filter-mouse(7) 							GGI							   filter-mouse(7)

NAME
filter-mouse - Generic mouse event translator SYNOPSIS
filter-mouse: [<file>] DESCRIPTION
This filter translates mouse events according to a set of translation rules. OPTIONS
file The name of the configuration file. If none given, the filter will first look for the file filter/mouse in the user GGI directory ($HOME/.ggi/ on UNIX), then in the base GGI directory if not found. CONFIGURATION
The translation rules are specified through a simple text file. The following example gives a good idea of the mouse filter usage. A # marks the rest of the line as a comment. EXAMPLE
A set of mouse translation rules: # Syntax is: # incoming-type [type-specifics] TO outgoing type [type-specifics] # # Simulated mouse buttons on the keyboard # #KEY modmask modvalue button label symbol TO BUT buttonnumber KEY 0x0004 0x0004 0xffff 0x000d 0xffff TO BUT 1 # Alt-Enter KEY 0x0004 0x0004 0xffff 0x0020 0xffff TO BUT 2 # Alt-Space KEY 0x0004 0x0004 0xffff 0x0008 0xffff TO BUT 3 # Alt-BackSpace # # Keyboard-Mouse on the Cursors # #KEY modmask modval button label symbol TO REL axis value KEY 0x0004 0x0004 0xffff 0xe034 0xffff TO REL X -5 # Alt-Left KEY 0x0004 0x0004 0xffff 0xe035 0xffff TO REL X 5 # Alt-Right KEY 0x0004 0x0004 0xffff 0xe032 0xffff TO REL Y -5 # Alt-Up KEY 0x0004 0x0004 0xffff 0xe033 0xffff TO REL Y 5 # Alt-Down # # Keyboard mouse on the Numpad # KEY 0x0004 0x0004 0xffff 0xe231 0xffff TO REL X -5 # Alt-Num1 KEY 0x0004 0x0004 0xffff 0xe231 0xffff TO REL Y 5 # Alt-Num1 KEY 0x0004 0x0004 0xffff 0xe232 0xffff TO REL Y 5 # Alt-Num2 KEY 0x0004 0x0004 0xffff 0xe233 0xffff TO REL X 5 # Alt-Num3 KEY 0x0004 0x0004 0xffff 0xe233 0xffff TO REL Y 5 # Alt-Num3 KEY 0x0004 0x0004 0xffff 0xe234 0xffff TO REL X -5 # Alt-Num4 KEY 0x0004 0x0004 0xffff 0xe235 0xffff TO BUT 1 # Alt-Num5 - Button KEY 0x0004 0x0004 0xffff 0xe236 0xffff TO REL X 5 # Alt-Num6 KEY 0x0004 0x0004 0xffff 0xe237 0xffff TO REL X -5 # Alt-Num7 KEY 0x0004 0x0004 0xffff 0xe237 0xffff TO REL Y -5 # Alt-Num7 KEY 0x0004 0x0004 0xffff 0xe238 0xffff TO REL Y -5 # Alt-Num8 KEY 0x0004 0x0004 0xffff 0xe239 0xffff TO REL X 5 # Alt-Num9 KEY 0x0004 0x0004 0xffff 0xe239 0xffff TO REL Y -5 # Alt-Num9 # # Home the cursor ... # KEY 0x0004 0x0004 0xffff 0xE038 0xffff TO ABS X 0 # Alt-Home KEY 0x0004 0x0004 0xffff 0xE038 0xffff TO ABS Y 0 # Alt-Home # # Invert mouse axis # #REL modmsk modval axis TO REL axis multiplier REL 0x0004 0x0004 X TO REL Y -1 REL 0x0004 0x0004 Y TO REL X -1 # # Accelerate mouse # # multiplier treshold higher-speed REL 0x0004 0x0004 X TO REL X 1 5 4 REL 0x0004 0x0004 Y TO REL Y 1 5 4 # # # Invert mouse buttons BUT 0x0004 0x0004 1 TO BUT 2 BUT 0x0004 0x0004 2 TO BUT 1 libgii-1.0.x 2003-08-11 filter-mouse(7)
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