[Bug 1907937] Re: [Ubuntu 20.04 LTS on Lenovo 9i Yoga] Not detecting touch pad, sound card, touch screen stylus or brightness controls

[Theo Giroud]

I changed grub parameters so brightness, mic and sound works. Touch pad
is very lagged and touch screen does not recognize the stylus.

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Title:
  [Ubuntu 20.04 LTS on Lenovo 9i Yoga] Not detecting touch pad, sound
  card, touch screen stylus or brightness controls

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Touch pad, stylus, sound card not detected. Brightness controls don't
  work.

  xinput --list
  ⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
  ⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
  ⎜   ↳ MOSART Semi. 2.4G Keyboard Mouse        	id=9	[slave  pointer  (2)]
  ⎜   ↳ MOSART Semi. 2.4G Keyboard Mouse Consumer Control	id=10	[slave  pointer  (2)]
  ⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
      ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
      ↳ Power Button                            	id=6	[slave  keyboard (3)]
      ↳ Sleep Button                            	id=7	[slave  keyboard (3)]
      ↳ MOSART Semi. 2.4G Keyboard Mouse        	id=8	[slave  keyboard (3)]
      ↳ MOSART Semi. 2.4G Keyboard Mouse System Control	id=11	[slave  keyboard (3)]
      ↳ Integrated Camera: Integrated C         	id=12	[slave  keyboard (3)]
      ↳ Ideapad extra buttons                   	id=13	[slave  keyboard (3)]
      ↳ AT Translated Set 2 keyboard            	id=14	[slave  keyboard (3)]
      ↳ MOSART Semi. 2.4G Keyboard Mouse Consumer Control	id=15	[slave  keyboard (3)]

  
  MOSART is my bluetooth mouse.

  lspci
  00:00.0 Host bridge: Intel Corporation Device 9a14 (rev 01)
  00:02.0 VGA compatible controller: Intel Corporation Device 9a49 (rev 01)
  00:04.0 Signal processing controller: Intel Corporation Device 9a03 (rev 01)
  00:06.0 PCI bridge: Intel Corporation Device 9a09 (rev 01)
  00:07.0 PCI bridge: Intel Corporation Device 9a23 (rev 01)
  00:07.1 PCI bridge: Intel Corporation Device 9a25 (rev 01)
  00:07.2 PCI bridge: Intel Corporation Device 9a27 (rev 01)
  00:07.3 PCI bridge: Intel Corporation Device 9a29 (rev 01)
  00:0a.0 Signal processing controller: Intel Corporation Device 9a0d (rev 01)
  00:0d.0 USB controller: Intel Corporation Device 9a13 (rev 01)
  00:0d.2 USB controller: Intel Corporation Device 9a1b (rev 01)
  00:0d.3 USB controller: Intel Corporation Device 9a1d (rev 01)
  00:12.0 Serial controller: Intel Corporation Device a0fc (rev 20)
  00:14.0 USB controller: Intel Corporation Device a0ed (rev 20)
  00:14.2 RAM memory: Intel Corporation Device a0ef (rev 20)
  00:14.3 Network controller: Intel Corporation Device a0f0 (rev 20)
  00:15.0 Serial bus controller [0c80]: Intel Corporation Device a0e8 (rev 20)
  00:15.1 Serial bus controller [0c80]: Intel Corporation Device a0e9 (rev 20)
  00:15.2 Serial bus controller [0c80]: Intel Corporation Device a0ea (rev 20)
  00:15.3 Serial bus controller [0c80]: Intel Corporation Device a0eb (rev 20)
  00:16.0 Communication controller: Intel Corporation Device a0e0 (rev 20)
  00:1f.0 ISA bridge: Intel Corporation Device a082 (rev 20)
  00:1f.3 Multimedia audio controller: Intel Corporation Device a0c8 (rev 20)
  00:1f.4 SMBus: Intel Corporation Device a0a3 (rev 20)
  00:1f.5 Serial bus controller [0c80]: Intel Corporation Device a0a4 (rev 20)
  01:00.0 Non-Volatile memory controller: Sandisk Corp Device 5006

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 5.4.0-58.64-generic 5.4.73
  Uname: Linux 5.4.0-58-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.14
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Dec 12 23:11:02 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  InstallationDate: Installed on 2020-12-10 (2 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  Symptom: installation
  UpgradeStatus: No upgrade log present (probably fresh install)

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