On a Toshiba z20t using Ubuntu 16.04, I can't change the sensitivity via
echo 200 | sudo tee /sys/devices/platform/i8042/serio1/serio2/sensitivity echo 150 | sudo tee /sys/devices/platform/i8042/serio1/serio2/speed echo 1 | sudo tee /sys/devices/platform/i8042/serio1/serio2/press_to_select
as pointed out in https://wiki.ubuntuusers.de/Trackpoint/, because these virtual files are missing.
dmesg: [ 4.517356] input: AlpsPS/2 ALPS DualPoint Stick as /devices/platform/i8042/serio1/input/input7 [ 4.544238] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input5 [ 2213.365432] input: AlpsPS/2 ALPS DualPoint Stick as /devices/platform/i8042/serio1/input/input22 [ 2213.394015] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input21 [ 2322.626764] input: AlpsPS/2 ALPS DualPoint Stick as /devices/platform/i8042/serio1/input/input25 [ 2322.655136] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input24
ls -lisa: ls -lisa /sys//devices/platform/i8042/serio1/input/input25/* 27517 0 lrwxrwxrwx 1 root root 0 Nov 6 22:23 /sys//devices/platform/i8042/serio1/input/input25/device -> ../../../serio1 27527 0 -r--r--r-- 1 root root 4096 Nov 6 22:23 /sys//devices/platform/i8042/serio1/input/input25/modalias 27519 0 -r--r--r-- 1 root root 4096 Nov 6 16:26 /sys//devices/platform/i8042/serio1/input/input25/name 27525 0 -r--r--r-- 1 root root 4096 Nov 6 22:23 /sys//devices/platform/i8042/serio1/input/input25/phys 27534 0 -r--r--r-- 1 root root 4096 Nov 6 16:26 /sys//devices/platform/i8042/serio1/input/input25/properties 27515 0 lrwxrwxrwx 1 root root 0 Nov 6 16:26 /sys//devices/platform/i8042/serio1/input/input25/subsystem -> ../../../../../../class/input 27509 0 -rw-r--r-- 1 root root 4096 Nov 6 16:26 /sys//devices/platform/i8042/serio1/input/input25/uevent 27526 0 -r--r--r-- 1 root root 4096 Nov 6 22:23 /sys//devices/platform/i8042/serio1/input/input25/uniq
Tries the mainline kernel - no change.
On a Toshiba z20t using Ubuntu 16.04, I can't change the sensitivity via
echo 200 | sudo tee /sys/devices/ platform/ i8042/serio1/ serio2/ sensitivity platform/ i8042/serio1/ serio2/ speed platform/ i8042/serio1/ serio2/ press_to_ select
echo 150 | sudo tee /sys/devices/
echo 1 | sudo tee /sys/devices/
as pointed out in https:/ /wiki.ubuntuuse rs.de/Trackpoin t/, because these virtual files are missing.
dmesg: platform/ i8042/serio1/ input/input7 platform/ i8042/serio1/ input/input5 platform/ i8042/serio1/ input/input22 platform/ i8042/serio1/ input/input21 platform/ i8042/serio1/ input/input25 platform/ i8042/serio1/ input/input24
[ 4.517356] input: AlpsPS/2 ALPS DualPoint Stick as /devices/
[ 4.544238] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/
[ 2213.365432] input: AlpsPS/2 ALPS DualPoint Stick as /devices/
[ 2213.394015] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/
[ 2322.626764] input: AlpsPS/2 ALPS DualPoint Stick as /devices/
[ 2322.655136] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/
ls -lisa: platform/ i8042/serio1/ input/input25/ * platform/ i8042/serio1/ input/input25/ device -> ../../../serio1 platform/ i8042/serio1/ input/input25/ modalias platform/ i8042/serio1/ input/input25/ name platform/ i8042/serio1/ input/input25/ phys platform/ i8042/serio1/ input/input25/ properties platform/ i8042/serio1/ input/input25/ subsystem -> ../../. ./../.. /../class/ input platform/ i8042/serio1/ input/input25/ uevent platform/ i8042/serio1/ input/input25/ uniq
ls -lisa /sys//devices/
27517 0 lrwxrwxrwx 1 root root 0 Nov 6 22:23 /sys//devices/
27527 0 -r--r--r-- 1 root root 4096 Nov 6 22:23 /sys//devices/
27519 0 -r--r--r-- 1 root root 4096 Nov 6 16:26 /sys//devices/
27525 0 -r--r--r-- 1 root root 4096 Nov 6 22:23 /sys//devices/
27534 0 -r--r--r-- 1 root root 4096 Nov 6 16:26 /sys//devices/
27515 0 lrwxrwxrwx 1 root root 0 Nov 6 16:26 /sys//devices/
27509 0 -rw-r--r-- 1 root root 4096 Nov 6 16:26 /sys//devices/
27526 0 -r--r--r-- 1 root root 4096 Nov 6 22:23 /sys//devices/
Tries the mainline kernel - no change.