[Wayland-bugs] [Bug 91369] Libinput 0.19 and 0.20 ignore POINTINGSTICK_CONST_ACCEL

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Nov 5 23:52:43 PST 2015


https://bugs.freedesktop.org/show_bug.cgi?id=91369

--- Comment #25 from Justin Wong <justin.w.xd at gmail.com> ---
udevadmin info outputs:
```
P: /devices/platform/i8042/serio1/input/input18/event16
N: input/event16
S: input/by-path/platform-i8042-serio-1-event-mouse
E: DEVLINKS=/dev/input/by-path/platform-i8042-serio-1-event-mouse
E: DEVNAME=/dev/input/event16
E: DEVPATH=/devices/platform/i8042/serio1/input/input18/event16
E: ID_INPUT=1
E: ID_INPUT_MOUSE=1
E: ID_INPUT_POINTINGSTICK=1
E: ID_PATH=platform-i8042-serio-1
E: ID_PATH_TAG=platform-i8042-serio-1
E: ID_SERIAL=noserial
E: LIBINPUT_DEVICE_GROUP=11/2/8/310:isa0060/serio1
E: MAJOR=13
E: MINOR=80
E: POINTINGSTICK_CONST_ACCEL=3
E: SUBSYSTEM=input
E: USEC_INITIALIZED=5521806
```

My laptop is dell latitude E-7440.

I've been modifying libinput's code since 0.19, the problem is, the `incline`
value 1.1 is tooooo small to me, so I need to modify the code to get a
reasonable pointer speed.

And also, limiting linear accel from -1 to 1 is made it impossible for me to
adjust pointer speed to an acceptable value using normal way.

Why not just like 0.18, give users the ability to adjust their trackpoint to
the
speed as fast as they can? Or an option to modify the `incline` value for
trackpoints?

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