I can also confirm the fix is working great for touchpad and touchscreen
on my YOGA-530-14ARR (AMD® Ryzen 3 2200u with radeon vega mobile gfx × 4

-- Fixing the wifi issue for three days until it finally worked,
stumbled upon this bug ticket today, downloaded the fix - and it works.
I am amazed and grateful for the great work. Thanks --

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  touchpad not working on lenovo yoga 530

Status in linux package in Ubuntu:
Status in linux source package in Bionic:
Status in linux source package in Cosmic:
Status in linux source package in Disco:

Bug description:
  === SRU Justification ===

  AMD MP2 I2C driver doesn't support more than one bus.
  This makes touchpad on Lenovo Yoga 530 doensn't work as expected.

  Sync the MP2 driver with upstream version.

  The new upstream driver doesn't break on Latitude 5495.
  Users haven't given any feedback yet, but since Disco is freezing I
  am sending this out.

  [Regression Potential]
  Low. It's from upstream, and only a subset of Raven Ridge has this

  === Original Bug Report ===

  The touchpad is not working and does not show up in cat
  /proc/bus/input/devices on multiple kernels. I've tried the newest
  kernel to date (19.08.18) and a few others.

  The touchpad works on windows.
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 18.04
  InstallationDate: Installed on 2018-08-18 (0 days ago)
  InstallationMedia: Ubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64 
  Package: linux (not installed)
  Tags:  bionic
  Uname: Linux 4.18.3-041803-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: Upgraded to bionic on 2018-08-18 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True

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