https://bugs.freedesktop.org/show_bug.cgi?id=95437
Bug ID: 95437
Summary: Choppy response on Elantech trackpads with libinput
1.3.0
Product: Wayland
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: libinput
Assignee: [email protected]
Reporter: [email protected]
Created attachment 123803
--> https://bugs.freedesktop.org/attachment.cgi?id=123803&action=edit
evemu-record ouput for simple right-to-left pointer movement.
After an upgrade to libinput 1.3.0 my Elantech trackpad (on an Asus UX305C)
became very unresponsive and inaccurate - it takes serveral tries to get the
pointer moving, as if it became "sticky" somehow. Reverting libinput to 1.2.4
fixes this issue and the trackpad works fluidly without any issues whatsoever.
OS: Arch Linux x64
Libinput version: 1.3.0
/sys/class/dmi/id/modalias:
dmi:bvnAmericanMegatrendsInc.:bvrUX305CA.201:bd09/11/2015:svnASUSTeKCOMPUTERINC.:pnUX305CA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX305CA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
libinput-list-devices:
...
Device: Elan Touchpad
Kernel: /dev/input/event8
Group: 6
Seat: seat0, default
Size: 96.78x64.21mm
Capabilities: pointer
Tap-to-click: disabled
Tap-and-drag: enabled
Tap drag lock: disabled
Left-handed: disabled
Nat.scrolling: disabled
Middle emulation: n/a
Calibration: n/a
Scroll methods: *two-finger edge
Click methods: *button-areas clickfinger
Disable-w-typing: enabled
Accel profiles: none
...
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