On Thu, 22 Mar 2018, at 11:49 AM, Peter Hutterer wrote: > see the libinput documentation, it's a normalised value from -1.0 (slowest) to > 1.0 (fastest) with 0 being the usually-default midpoint.
[hendry@t480s ~]$ xinput --set-prop 11 'libinput Accel Speed' -1 Has no impact to my drift problem. Not sure what else I can set. "libinput Accel Speed Default" doesn't work. [hendry@t480s ~]$ xinput --set-prop 11 'libinput Accel Default' -1 property 'libinput Accel Default' doesn't exist, you need to specify its type and format [hendry@t480s ~]$ xinput --list-props 11 Device 'ETPS/2 Elantech TrackPoint': Device Enabled (140): 1 Coordinate Transformation Matrix (142): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Natural Scrolling Enabled (275): 0 libinput Natural Scrolling Enabled Default (276): 0 libinput Left Handed Enabled (277): 0 libinput Left Handed Enabled Default (278): 0 libinput Accel Speed (279): -1.000000 libinput Accel Speed Default (280): 0.000000 libinput Accel Profiles Available (281): 1, 1 libinput Accel Profile Enabled (282): 1, 0 libinput Accel Profile Enabled Default (283): 1, 0 libinput Scroll Methods Available (284): 0, 0, 1 libinput Scroll Method Enabled (285): 0, 0, 1 libinput Scroll Method Enabled Default (286): 0, 0, 1 libinput Button Scrolling Button (287): 2 libinput Button Scrolling Button Default (288): 2 libinput Middle Emulation Enabled (289): 0 libinput Middle Emulation Enabled Default (290): 0 libinput Send Events Modes Available (260): 1, 0 libinput Send Events Mode Enabled (261): 0, 0 libinput Send Events Mode Enabled Default (262): 0, 0 Device Node (263): "/dev/input/event7" Device Product ID (264): 2, 14 libinput Drag Lock Buttons (291): <no items> libinput Horizontal Scroll Enabled (292): 1 [hendry@t480s ~]$ xinput --set-prop 11 'libinput Accel Speed Default' -1 X Error of failed request: BadAccess (attempt to access private resource denied) Major opcode of failed request: 131 (XInputExtension) Minor opcode of failed request: 57 () Serial number of failed request: 20 Current serial number in output stream: 21 [hendry@t480s ~]$ sudo xinput --set-prop 11 'libinput Accel Speed Default' -1 X Error of failed request: BadAccess (attempt to access private resource denied) Major opcode of failed request: 131 (XInputExtension) Minor opcode of failed request: 57 () Serial number of failed request: 20 Current serial number in output stream: 21 [hendry@t480s ~]$ _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/wayland-devel