Submission type

• Bug report

systemd version the issue has been seen with

systemd-233-7

Used distribution

Fedora 26

In case of bug report: Expected behaviour you didn't see

Edge scrolling was working in previous release

In case of bug report: Unexpected behaviour you saw

Edge scrolling stopped working.

In case of bug report: Steps to reproduce the problem

/usr/lib/udev/hwdb.d/60-evdev.hwdb in this version has added the following section:

evdev:name:AlpsPS/2 ALPS DualPoint TouchPad:dmi:bvn*:bvr*:bd*:svnDellInc.:pnLatitudeE7470*
EVDEV_ABS_00=39:5856:59
EVDEV_ABS_01=10:1532:29
EVDEV_ABS_35=39:5856:59
EVDEV_ABS_36=10:1532:29

Touchpad AlpsPS/2 ALPS DualPoint TouchPad on /dev/input/event7
Move one finger around the touchpad to detect the actual edges
Kernel says: x [39..5856], y [10..1532]
Touchpad sends: x [29..2930], y [26..1533] /^C

Touchpad size as listed by the kernel: 98x52mm
User-specified touchpad size: 98x52mm
Calculated ranges: 2901/1507

Suggested udev rule:

evdev:name:AlpsPS/2 ALPS DualPoint TouchPad:dmi:bvnDellInc.:bvr1.17.5:bd07/11/2017:svnDellInc.:pnLatitudeE7470:pvr:rvnDellInc.:rn0T6HHJ:rvrA00:cvnDellInc.:ct9:cvr:*
EVDEV_ABS_00=29:2930:30
EVDEV_ABS_01=26:1533:29
EVDEV_ABS_35=29:2930:30
EVDEV_ABS_36=26:1533:29

Overriding the provided settings in /etc/udev/hwdb.d/61-evdev-local.hwdb with:

evdev:name:AlpsPS/2 ALPS DualPoint TouchPad:dmi:bvn*:bvr*:bd*:svnDellInc.:pnLatitudeE7470*
EVDEV_ABS_00=29:2930:30
EVDEV_ABS_01=26:1533:29
EVDEV_ABS_35=29:2930:30
EVDEV_ABS_36=26:1533:29"

Edge scrolling back to normal.