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Peter Hutterer ac91d8df3b touchpad: disable jump detection on the Lenovo X1 Gen6 touchpad 
This touchpad has firmware that seems to buffer events. In the words of the
reporter:

  In usage, it feels like motions vary between smooth and choppy; slow
  movements are smooth and quick movements are choppy. It's as if the
  touchpad aggregates quick movements and sends one big movement instead
  of sending discrete events. To make the movement more natural, the
  events preceding the jump should be of higher magnitude and the jump
  less pronounced, but that's just not how the touchpad works, it seems.

In the actual event data this looks exactly like a pointer jump: small
movements, one big one, then small ones again. If we filter that large
movement out we prevent the user from moving quickly.

There's no way to detect this or work around this, so let's add a quirk that
disables the jump detection for this device.

Fixes #506

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2020-07-15 21:58:52 +00:00
..
builddir.h Remove some usage of libinput-util.h 2019-09-11 12:23:06 +10:00
evdev-debounce.c evdev: Rename button up and down states to mirror each other 2019-03-21 01:07:59 +00:00
evdev-fallback.c fallback: add missing curly braces to match the coding style 2020-06-03 22:32:56 +00:00
evdev-fallback.h evdev: Rename button up and down states to mirror each other 2019-03-21 01:07:59 +00:00
evdev-middle-button.c doc: remove the direct link to the various state diagrams 2019-11-15 00:24:00 +00:00
evdev-mt-touchpad-buttons.c quirks: rename the alps touchpad quirk to note it's a serial TP quirk 2020-03-05 16:35:53 +10:00
evdev-mt-touchpad-edge-scroll.c evdev-mt-touchpad-edge-scroll.c: remove unused includes 2019-09-12 09:36:40 +10:00
evdev-mt-touchpad-gestures.c touchpad: restore thumb detection while keeping fixes from !292 2020-05-22 02:16:05 +00:00
evdev-mt-touchpad-tap.c touchpad: correct the tap state transitions for a palm on TOUCH_BEGIN 2020-06-03 21:50:44 +00:00
evdev-mt-touchpad-thumb.c touchpad: restore thumb detection while keeping fixes from !292 2020-05-22 02:16:05 +00:00
evdev-mt-touchpad.c touchpad: disable jump detection on the Lenovo X1 Gen6 touchpad 2020-07-15 21:58:52 +00:00
evdev-mt-touchpad.h touchpad: disable jump detection on the Lenovo X1 Gen6 touchpad 2020-07-15 21:58:52 +00:00
evdev-tablet-pad-leds.c evdev-tablet-pad-leds.c: remove unused includes 2019-09-12 09:36:40 +10:00
evdev-tablet-pad.c Ignore key repeat in all backends 2020-06-02 01:07:01 +00:00
evdev-tablet-pad.h pad: switch the button mapping to one that can handle keys or buttons 2019-12-04 15:31:46 +10:00
evdev-tablet.c Ignore key repeat in all backends 2020-06-02 01:07:01 +00:00
evdev-tablet.h Revert "tablet: don't disable the proximity quirk on good sequences" 2020-05-22 03:10:06 +00:00
evdev-totem.c Ignore key repeat in all backends 2020-06-02 01:07:01 +00:00
evdev.c evdev: drop the check for tablet vs joystick 2020-07-15 03:24:44 +00:00
evdev.h Deprecate wheel tilt as separate axis source 2020-05-21 07:29:44 +00:00
filter-flat.c filter-flat.c: remove unused includes 2019-09-12 09:36:40 +10:00
filter-low-dpi.c filter-low-dpi.c: remove unused includes 2019-09-12 09:36:40 +10:00
filter-mouse.c filter-mouse.c: remove unused includes 2019-09-12 09:36:40 +10:00
filter-private.h Add quirk to control velocity averaging, disable it by default 2018-08-22 12:12:55 +02:00
filter-tablet.c filter: drop an unused function and an unused struct 2019-02-06 14:22:02 +10:00
filter-touchpad-flat.c Allow the flat acceleration profile for touchpads 2020-05-27 06:21:00 +00:00
filter-touchpad-x230.c filter-touchpad-x230.c: remove unused includes 2019-09-12 09:36:40 +10:00
filter-touchpad.c touchpad: use the same speed for scrolling as the baseline of the accel curve 2019-10-14 02:57:48 +00:00
filter-trackpoint.c filter-trackpoint.c: remove unused include 2019-09-12 09:36:40 +10:00
filter.c filter.h/c: remove unused includes 2019-09-13 00:07:39 +03:00
filter.h Allow the flat acceleration profile for touchpads 2020-05-27 06:21:00 +00:00
libinput-git-version.h.in tools: add the git version in the libinput-record output 2018-03-06 14:22:30 +10:00
libinput-private.h Deprecate wheel tilt as separate axis source 2020-05-21 07:29:44 +00:00
libinput-restore-selinux-context.sh meson: Fix absolute libdir case in install script 2018-02-16 16:57:30 +10:00
libinput-uninstalled.pc.in buildsystem: add missing uninstalled pkg-config infra 2016-08-30 17:18:39 +10:00
libinput-util.h util: make the trace macro actually useful 2020-04-04 21:10:40 +10:00
libinput-version.h.in COPYING: Update boilerplate from MIT X11 to MIT Expat license 2015-06-16 14:36:04 +10:00
libinput-versionsort.h Add versionsort test 2018-07-19 22:29:00 +03:00
libinput.c evdev: warn if our event processing lags by 10ms or more 2020-05-13 06:21:27 +00:00
libinput.h Deprecate wheel tilt as separate axis source 2020-05-21 07:29:44 +00:00
libinput.pc.in Add -lrt to the libs 2014-07-03 09:59:43 +10:00
libinput.sym pad: add LIBINPUT_EVENT_TABLET_PAD_KEY for pad keys 2019-12-04 15:38:39 +10:00
path-seat.c path-seat.c: remove unused includes 2019-09-13 00:07:39 +03:00
quirks.c touchpad: disable jump detection on the Lenovo X1 Gen6 touchpad 2020-07-15 21:58:52 +00:00
quirks.h touchpad: disable jump detection on the Lenovo X1 Gen6 touchpad 2020-07-15 21:58:52 +00:00
timer.c timer: make the timer offset error a bit more user-friendly 2020-01-31 13:03:00 +10:00
timer.h timer: flush the timer funcs if our events come in late 2017-09-21 12:27:46 +10:00
udev-seat.c Fix race condition causing duplicate devices in udev seats 2020-03-30 03:48:25 +00:00
udev-seat.h COPYING: Update boilerplate from MIT X11 to MIT Expat license 2015-06-16 14:36:04 +10:00
util-bits.h Split utility functions into separate source files 2019-09-11 12:23:04 +10:00
util-input-event.h Adjust for 64bit time_t for 32bit architectures 2019-11-26 15:11:44 +10:00
util-list.c Split utility functions into separate source files 2019-09-11 12:23:04 +10:00
util-list.h Remove some usage of libinput-util.h 2019-09-11 12:23:06 +10:00
util-macros.h tools: add a tablet debugging tool 2019-11-19 09:56:14 +10:00
util-matrix.h Split utility functions into separate source files 2019-09-11 12:23:04 +10:00
util-prop-parsers.c Replace strneq() with strstartswith() for variable prefixes 2020-06-17 07:52:00 +00:00
util-prop-parsers.h udev: parse the EVDEV_ABS properties for a potential fuzz setting 2019-09-11 12:24:02 +10:00
util-ratelimit.c Split utility functions into separate source files 2019-09-11 12:23:04 +10:00
util-ratelimit.h Split utility functions into separate source files 2019-09-11 12:23:04 +10:00
util-strings.c util: fix a scan-build warning (value set but not read) 2020-03-22 10:43:52 +10:00
util-strings.h utils: add strstartswith() and strendswith() utility functions 2020-06-17 07:52:00 +00:00
util-time.h evdev: print a human time for ratelimit tests 2020-03-22 10:35:21 +10:00