[Wayland-bugs] [Bug 98837] Swipe and Pinch gestures not recognized on AlpsPS/2 touchpad

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98837

            Bug ID: 98837
           Summary: Swipe and Pinch gestures not recognized on AlpsPS/2
                    touchpad
           Product: Wayland
           Version: 1.5.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: libinput
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: marc.durand1 at gmail.com

Created attachment 128173
  --> https://bugs.freedesktop.org/attachment.cgi?id=128173&action=edit
evemu recording while swiping and piching on the touchpad.

Hi,

I am running Wayland with gnome-shell 3.22 and Archlinux on my Dell Latitude
e7440. Everything is up to date, including Bios. I also checked that I'm using
libinput driver for my AlpsPS/2 dualpoint touchpad (libinput-list-devices
--version: 1.5.0).
However, swipe (3 or 4 fingers) and pinch events seem to be interpreted as
two-finger gestures: using `libinput-debug-events`, only "POINTER_AXIS" events
are reported while swiping or pinching with 2, 3 or 4 fingers.

When I boot on the Windows partition, 3 finger swipes are correctly interpeted,
so I know the touchpad is technically able to handle such gestures.

Content of /sys/class/dmi/id/modalias:
dmi:bvnDellInc.:bvrA18:bd04/28/2016:svnDellInc.:pnLatitudeE7440:pvr00:rvnDellInc.:rn07F3F4:rvrA00:cvnDellInc.:ct9:cvr:

Approximate physical dimensions of the touchpad: 9.0 x 4.7 centimeters.


Here is the the result of `libinput-list-devices`:

Device:           Power Button
Kernel:           /dev/input/event4
Group:            1
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

Device:           Video Bus
Kernel:           /dev/input/event12
Group:            2
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

Device:           Power Button
Kernel:           /dev/input/event2
Group:            3
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

Device:           Sleep Button
Kernel:           /dev/input/event3
Group:            4
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

Device:           Laptop_Integrated_Webcam_HD
Kernel:           /dev/input/event6
Group:            5
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

Device:           AT Translated Set 2 keyboard
Kernel:           /dev/input/event0
Group:            6
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

Device:           AlpsPS/2 ALPS DualPoint Stick
Kernel:           /dev/input/event16
Group:            7
Seat:             seat0, default
Capabilities:     pointer 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      disabled
Nat.scrolling:    disabled
Middle emulation: disabled
Calibration:      n/a
Scroll methods:   *button
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   flat *adaptive
Rotation:         n/a

Device:           AlpsPS/2 ALPS DualPoint TouchPad
Kernel:           /dev/input/event17
Group:            7
Seat:             seat0, default
Size:             95.24x43.75mm
Capabilities:     pointer 
Tap-to-click:     disabled
Tap-and-drag:     enabled
Tap drag lock:    disabled
Left-handed:      disabled
Nat.scrolling:    disabled
Middle emulation: enabled
Calibration:      n/a
Scroll methods:   *two-finger edge 
Click methods:    none
Disable-w-typing: enabled
Accel profiles:   none
Rotation:         n/a

Device:           Dell WMI hotkeys
Kernel:           /dev/input/event7
Group:            8
Seat:             seat0, default
Capabilities:     keyboard 
Tap-to-click:     n/a
Tap-and-drag:     n/a
Tap drag lock:    n/a
Left-handed:      n/a
Nat.scrolling:    n/a
Middle emulation: n/a
Calibration:      n/a
Scroll methods:   none
Click methods:    none
Disable-w-typing: n/a
Accel profiles:   n/a
Rotation:         n/a

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