Touchpad sensitivity on Dell XPS 15 9560
Summary
The tap-to-click down sensitivity is very high on a Dell XPS 15 9560 on Fedora 30.
Steps to reproduce
- Enable tap to click
- Very lightly brush against the touchpad with a finger. A tap event will be registered.
libinput version you encountered the bug on
libinput-1.13.2-1.fc30.x86_64
Hardware information:
Dell XPS 15 9560 Fedora 30
Output of /sys/class/dmi/id/modalias
dmi:bvnDellInc.:bvr1.12.1:bd10/02/2018:svnDellInc.:pnXPS159560:pvr:rvnDellInc.:rn05FFDN:rvrA00:cvnDellInc.:ct10:cvr:
Touchpad:
Output of udevadm info /sys/class/input/event11
P: /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-8/i2c-DLL07BE:01/0018:06CB:7A13.0001/input/input16/event11
N: input/event11
L: 0
S: input/by-path/pci-0000:00:15.1-platform-i2c_designware.1-event-mouse
E: DEVPATH=/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-8/i2c-DLL07BE:01/0018:06CB:7A13.0001/input/input16/event11
E: DEVNAME=/dev/input/event11
E: MAJOR=13
E: MINOR=75
E: SUBSYSTEM=input
E: USEC_INITIALIZED=4593152
E: ID_INPUT=1
E: ID_INPUT_TOUCHPAD=1
E: ID_INPUT_WIDTH_MM=102
E: ID_INPUT_HEIGHT_MM=77
E: ID_SERIAL=noserial
E: ID_PATH=pci-0000:00:15.1-platform-i2c_designware.1
E: ID_PATH_TAG=pci-0000_00_15_1-platform-i2c_designware_1
E: LIBINPUT_DEVICE_GROUP=18/6cb/7a13:i2c-DLL07BE:01
E: DEVLINKS=/dev/input/by-path/pci-0000:00:15.1-platform-i2c_designware.1-event-mouse
Other log output:
-
libinput record
output: dell_9560_tap_sensitivity_record -
libinput debug-events --verbose
output: dell_9560_tap_sensitivity_debug_events - I could not get the measurements for touchpad pressure or touchpad size:
$ libinput measure touchpad-pressure
Using DLL07BE:01 06CB:7A13 Touchpad: /dev/input/event11
Error: device does not have ABS_PRESSURE/ABS_MT_PRESSURE
$ libinput measure touch-size
Using DLL07BE:01 06CB:7A13 Touchpad: /dev/input/event11
Error: device does not have ABS_MT_TOUCH_MAJOR