[Wayland-bugs] [Bug 96875] Decreased touchpad area - Lenovo V360

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jul 13 00:45:24 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=96875

--- Comment #12 from Diego Palacio <dfpalacioh at gmail.com> ---
Created attachment 125044
  --> https://bugs.freedesktop.org/attachment.cgi?id=125044&action=edit
new udev rule

(In reply to Peter Hutterer from comment #11)
> ah, now I get it. though the touchpad edge detector sends different axis
> ranges than the ones in the udev rule. please run it again, make sure you
> really do reach all edges on the touchpad, then post the output numbers
> here. I'll get this into system asap after. bonus points for doing the
> resolution calculation for me based on the final set of numbers :)

I made it again and I attached the new udev rule (udev_rule_2). Although, the
touchpad-egde-detector tool does not showed the exact numbers (but they are
pretty close): 

Move one finger around the touchpad to detect the actual edges
Kernel says:    x [1170..5931], y [886..5330]
Touchpad sends: x [1243..5927], y [902..5330] \^C

Touchpad size as listed by the kernel: 82x40mm
Calculate resolution as:
        x axis: 4761/<width in mm>
        y axis: 4444/<height in mm>

Suggested udev rule:
# <Laptop model description goes here>
evdev:name:SynPS/2 Synaptics
TouchPad:dmi:bvnLENOVO:bvr2DCN18WW:bd06/18/2010:svnLENOVO:pn0911BCS:pvrLenovoV360:rvnLENOVO:rnMoutCook:rvrNotApplicable:cvnLENOVO:ct10:cvrN/A:*
 EVDEV_ABS_00=1243:5927:<x resolution>
 EVDEV_ABS_01=902:5330:<y resolution>

...I suppose that it does not matter,

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