On Fri, 2018-05-25 at 01:13 +0200, Timur Kristóf wrote:
> Hi,
>
> On the XPS 13 9360 and 9370 xinput sees two touchpads instead of one:
> ⎡ Virtual core pointer id=2 [master
> pointer (3)]
> ⎜ ↳ Virtual core XTEST
> pointer id=4 [slave pointer (2)]
> ⎜ ↳ DELL07E6:00 06CB:76AF
> Touchpad id=12 [slave pointer (2)]
> ⎜ ↳ SynPS/2 Synaptics
> TouchPad id=17 [slave pointer (2)]
>
> dmesg also gives me the following:
>
> [ 1.429811] psmouse serio1: synaptics: Your touchpad (PNP: DLL07e6
> PNP0f13) says it can support a different bus. If i2c-hid and hid-rmi
> are not used, you might want to try setting
> psmouse.synaptics_intertouch to 1 and report this to
> linux-input@xxxxxxxxxxxxxxx.
>
> The Dell one is the real touchpad, the other one is an artifact of
> the
> psmouse driver. Weird touchpad freezes and jittering issues can be
> observed when both of these devices are there. The general advice on
> the web is to blacklist the psmouse driver. (This is also published
> by
> Dell as a .deb package which contains a config file doing just this.)
>
> However, on Fedora I cannot blacklist the psmouse driver because it
> is
> compiled built-in instead of as a module. Could you guys change the
> Fedora kernel config to compile it as a module instead?
If I'm not wrong, Dell XPS 13 have AlpsPS/2 ALPS like my Dell Latitude
E6410 .
I installed xorg-x11-drv-synaptics-legacy-1.9.0-6.fc27.x86_64
and set /etc/X11/xorg.conf.d/01-touchpad.conf
Section "InputClass"
Identifier "tap-by-default and other custom settings"
MatchIsTouchpad "on"
Option "TapButton1" "1"
Option "TapButton2" "1"
Option "TapButton3" "1"
Option "VertEdgeScroll" "1"
Option "HorizEdgeScroll" "1"
Option "VertTwoFingerScroll" "1"
Option "HorizTwoFingerScroll" "1"
EndSection
cat /var/log/Xorg.0.log| grep -i syna
[ 73.402] (II) LoadModule: "synaptics"
(...)
[ 73.415] (II) Using input driver 'synaptics' for 'AlpsPS/2 ALPS
DualPoint TouchPad'
--
Sérgio M. B.
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