kisak, in addition to the fix, do you think backport the hid-steam
driver to Bionic's v4.15 kernel useful to the users?

** Description changed:

- The new hid_steam driver in kernel 4.18 breaks the use of it within
- Steam.
+ ===SRU Justification===
+ [Impact]
+ New steam-hid driver breaks Unity games.
+ 
+ [Fix]
+ Quote from the commit message:
+ "With this commit, when a HID client starts, the input device is removed;
+ when the HID client ends the input device is recreated."
+ 
+ [Test]
+ A guy from Valve comfirms the backport works.
+ 
+ [Regression Potential]
+ Low. This fix is specific to hid-steam, which is a new driver introduced
+ in v4.18.
+ 
+ ===Original Bug Report===
+ The new hid_steam driver in kernel 4.18 breaks the use of it within Steam.
  
  Games either:
  - Crash
  - Don't detect it at all
  - Only pick it up as player 2
  
  To get it working as normal, it needs blacklisting currently.
  
  See here: https://www.gamingonlinux.com/articles/the-steam-controller-
  on-ubuntu-1810-and-other-distributions-using-linux-kernel-418-needs-
  quick-a-fix.12775
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: linux-image-4.18.0-10-generic 4.18.0-10.11
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC2:  liam       2492 F.... pulseaudio
-  /dev/snd/controlC0:  liam       2492 F.... pulseaudio
-  /dev/snd/controlC1:  liam       2492 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC2:  liam       2492 F.... pulseaudio
+  /dev/snd/controlC0:  liam       2492 F.... pulseaudio
+  /dev/snd/controlC1:  liam       2492 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Oct 18 12:49:44 2018
  InstallationDate: Installed on 2017-10-18 (364 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171017.1)
  IwConfig:
-  lo        no wireless extensions.
-  
-  enp5s0    no wireless extensions.
-  
-  eno1      no wireless extensions.
+  lo        no wireless extensions.
+ 
+  enp5s0    no wireless extensions.
+ 
+  eno1      no wireless extensions.
  MachineType: ASUS All Series
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-10-generic 
root=UUID=2a8676f3-0045-4e66-9cd1-186ffc6a8c2a ro quiet splash vt.handoff=1
  RelatedPackageVersions:
-  linux-restricted-modules-4.18.0-10-generic N/A
-  linux-backports-modules-4.18.0-10-generic  N/A
-  linux-firmware                             1.175
+  linux-restricted-modules-4.18.0-10-generic N/A
+  linux-backports-modules-4.18.0-10-generic  N/A
+  linux-firmware                             1.175
  RfKill:
-  
+ 
  SourcePackage: linux
  UpgradeStatus: Upgraded to cosmic on 2018-10-18 (0 days ago)
  dmi.bios.date: 08/10/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1901
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: SABERTOOTH X99
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: PCS
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1901:bd08/10/2015:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnSABERTOOTHX99:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.family: ASUS MB
  dmi.product.name: All Series
  dmi.product.sku: All
  dmi.product.version: System Version
  dmi.sys.vendor: ASUS

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https://bugs.launchpad.net/bugs/1798583

Title:
  the new Steam Controller driver breaks it on Steam

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