[Bug 1810183] Re: numpad on touchpad doesn't work in ASUS Zenbook 14

I've tried to optimise the code so I removed the release test and send
both release codes for Left Shift and numlock. But sometimes, I still
have the issue with backspace that don't release the key and continue to
delete characters. And the corner top right area used to toggle the
numpad still detect touch in a very tiny area at the extreme top right
corner like a 5 pixels square.

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https://bugs.launchpad.net/bugs/1810183

Title:
numpad on touchpad doesn't work in ASUS Zenbook 14

Status in Linux:
New
Status in linux package in Ubuntu:
Confirmed

Bug description:
I have Asus Zenbook 14 UX433FA which I have installed Ubuntu 18.10 alongside windows 10.
The numeric keypads are within the touchpad and are supposed to be turned on by a button on the touchpad. This works well in Windows but doesn't work in Ubuntu.
I have tried to search for any related problems/solutions online but I haven't been able to.
I will appreciate any suggestion or help.
Thanks,
---
ProblemType: Bug
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.10
InstallationDate: Installed on 2018-12-30 (4 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
Package: linux (not installed)
Tags: cosmic
Uname: Linux 4.19.11-041911-generic x86_64
UnreportableReason: The running kernel is not an Ubuntu kernel
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
---
ProblemType: Bug
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.10
InstallationDate: Installed on 2018-12-30 (4 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
Package: linux (not installed)
Tags: cosmic
Uname: Linux 4.18.10-041810-generic x86_64
UnreportableReason: The running kernel is not an Ubuntu kernel
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True

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