** Changed in: libevdev (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1294515
Title:
FFE: new upstream version to support touchpads on newer Lenovo models
Status in “libevdev” package in Ubuntu:
Fix Released
Status in “xserver-xorg-input-synaptics” package in Ubuntu:
New
Bug description:
Upstream has released -synaptics 1.7.99.1:
A snapshot of what will be synaptics 1.8. There are a couple of significant
changes in here:
libevdev support:
The evdev backend on Linux now uses libevdev. We recommend to use libevdev
1.1-rc1 or later as the synaptics driver is very likely to trigger
SYN_DROPPED and we've fixed a bunch of issues in libevdev 1.1.
Support for T440, T540, X240, Helix, Yoga:
The bulk of the changes is to support this set of Lenovo touchpads. These
touchpads don't have separate physical buttons for the trackstick and need
to be emulated as software-button by the driver.
TouchpadOff behaviour change:
Synaptics has a property "Synaptics Off" to disable events. Previously,
this disabled any event from the touchpad. Now, physical button clicks are
allowed even when the touchpad is disabled.
mtdev was dropped:
There are no touchpad drivers in the kernel tree that use protocol A, so
using mtdev is just a computationally expensiv and memory-wasting noop.
this needs a newer libevdev too.
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