[Wayland-bugs] [Bug 103476] RFE: libinput: Add support for Trust TB-4200 Wireless Scroll Tablet (Aiptek based)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Nov 22 00:37:12 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=103476

--- Comment #9 from Peter Hutterer <peter.hutterer at who-t.net> ---
the rounding is correct, you just pick the closest number. the difference is
usually in the 1-3mm and there isn't anything we can do about this, such is
life with integers.

the numbers you need are width/x axis range and height/y axis range. I don't
know which one is the short/long size. 00 is ABS_X and 01 is ABS_Y, you can
compare that with your evemu output.

for an external device, using DMI is not a good idea because it matches on the
machine, not the device. So your dmi match won't work for the same device on
any other host. Something like evdev:input:b0003v256Cp1234* is better, replace
the v and p bits with uppercase 4-digit hex for the vendor ID and product ID
(see evemu output).

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