Thanks @anthonywong! I can confirm that after installing oem-touchpad-
psmouse-1615937-dkms_1.0sutton1_all.deb package the middle button is
detected in my E470 and Trackpad scrolling works now like any standard
mouse wheel scroll.
I'm currently running 16.04.3 LTS (Neon 5.8 actually). Here's the xinput
output after installing this DKMS package:
Device 'TPPS/2 IBM TrackPoint':
Device Enabled (139): 1
Coordinate Transformation Matrix (141): 1.000000, 0.000000, 0.000000,
0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (265): 0
Device Accel Constant Deceleration (266): 1.000000
Device Accel Adaptive Deceleration (267): 1.000000
Device Accel Velocity Scaling (268): 10.000000
Device Product ID (259): 2, 10
Device Node (260): "/dev/input/event13"
Evdev Axis Inversion (524): 0, 0
Evdev Axes Swap (526): 0
Axis Labels (527): "Rel X" (149), "Rel Y" (150)
Button Labels (528): "Button Left" (142), "Button Middle" (143),
"Button Right" (144), "Button Wheel Up" (145), "Button Wheel Down" (146),
"Button Horiz Wheel Left" (147), "Button Horiz Wheel Right" (148)
Evdev Scrolling Distance (529): 0, 0, 0
Evdev Middle Button Emulation (530): 1
Evdev Middle Button Timeout (531): 50
Evdev Middle Button Button (532): 2
Evdev Third Button Emulation (533): 0
Evdev Third Button Emulation Timeout (534): 1000
Evdev Third Button Emulation Button (535): 3
Evdev Third Button Emulation Threshold (536): 20
Evdev Wheel Emulation (537): 1
Evdev Wheel Emulation Axes (538): 6, 7, 4, 5
Evdev Wheel Emulation Inertia (539): 10
Evdev Wheel Emulation Timeout (540): 200
Evdev Wheel Emulation Button (541): 2
Evdev Drag Lock Buttons (542): 0
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https://bugs.launchpad.net/bugs/1670492
Title:
No TrackPoint scroll
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-evdev-hwe-16.04/+bug/1670492/+subscriptions
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