Hi, The trackpoint on my T470p was very choppy when moving it, even though the trackpad was fine.
I applied the following (the attached patch) and it works much better now. I'm not sure that this is the correct solution but at least it works better. Best Regards, Tomas Vestelind
From 5aa334ccac9d700323ff55a199c715335770eb2c Mon Sep 17 00:00:00 2001 From: Tomas Vestelind <tomas.vestel...@gmail.com> Date: Tue, 9 Jan 2018 10:32:07 +0100 Subject: [PATCH] udev: Thinkpad T470 uses the same settings as T450 Running without this (i.e using default?) made the Trackpoint very choppy on Thinkpad T470p. Signed-off-by: Tomas Vestelind <tomas.vestel...@gmail.com> --- udev/90-libinput-model-quirks.hwdb | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/udev/90-libinput-model-quirks.hwdb b/udev/90-libinput-model-quirks.hwdb index c23ef833..4bebb809 100644 --- a/udev/90-libinput-model-quirks.hwdb +++ b/udev/90-libinput-model-quirks.hwdb @@ -196,10 +196,11 @@ libinput:tablet:input:b0003v256Cp* libinput:name:SynPS/2 Synaptics TouchPad:dmi:*svnLENOVO:*:pvrThinkPadX230* LIBINPUT_MODEL_LENOVO_X230=1 -# Lenovo T450/T460 and all other Lenovos of the *50 and *60 generation, -# including the X1 Carbon 3rd gen +# Lenovo T450/T460/T470 and all other Lenovos of the *50, *60 and *70 +# generation, including the X1 Carbon 3rd gen libinput:name:SynPS/2 Synaptics TouchPad:dmi:*svnLENOVO:*:pvrThinkPad??50*: libinput:name:SynPS/2 Synaptics TouchPad:dmi:*svnLENOVO:*:pvrThinkPad??60*: +libinput:name:SynPS/2 Synaptics TouchPad:dmi:*svnLENOVO:*:pvrThinkPad??70*: libinput:name:SynPS/2 Synaptics TouchPad:dmi:*svnLENOVO:*:pvrThinkPadX1Carbon3rd:* LIBINPUT_MODEL_LENOVO_T450_TOUCHPAD=1 LIBINPUT_ATTR_PALM_PRESSURE_THRESHOLD=150 -- 2.15.1
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