Hi Peter, I'm trying to reproduce said choppy movement now and I can't. It might just be that I imagined that it improved.
Sorry for wasting your time :/ Best Regards, Tomas Vestelind On 01/11/2018 11:02 PM, Peter Hutterer wrote: > On Tue, Jan 09, 2018 at 10:41:54AM +0100, Tomas Vestelind wrote: >> 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 > > I don't think this is the right fix, at least not for your issue. Neither of > the two properties have any effect on the trackpoint behaviour, they only > adjust some parts of the touchpad behavour. But you're saying that the > touchpad itself was fine, so this patch shouldn't have any effect. Are you > sure it's not some unrelated patch from a recent update or something that > fixed the issue for you? > > Cheers, > Peter >
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