I have the same problem.
If someone tells me how to elicit the correct settings under Windows I can get 
them and try them out in Linux.
If someone tells me what possible settings might work under Linux (or tells me 
how to figure out what settings might work) I can try to find the right 

You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.

  Microphone not detected Lenovo Yoga S940

Status in Linux:
Status in alsa-driver package in Ubuntu:
Status in linux package in Ubuntu:

Bug description:
  Ubuntu 19.10 as well as 19.04 do not detect the microphone in Lenovo
  Yoga S940

  Attached the screen of gnome sound control panel.

  Inxi output:

  System:    Host: ******** Kernel: 5.3.0-13-generic x86_64 bits: 64 Desktop: 
Gnome 3.34.0 Distro: Ubuntu 19.10 (Eoan Ermine) 
  Machine:   Type: Laptop System: LENOVO product: 81Q7 v: Lenovo Yoga 
S940-14IWL serial: <root required> 
             Mobo: LENOVO model: LNVNB161216 v: SDK0J40709 WIN serial: <root 
required> UEFI: LENOVO v: AKCN34WW date: 06/12/2019 
  CPU:       Topology: Quad Core model: Intel Core i7-8565U bits: 64 type: MT 
MCP L2 cache: 8192 KiB 
             Speed: 1161 MHz min/max: 400/4600 MHz Core speeds (MHz): 1: 1161 
2: 1195 3: 1848 4: 976 5: 1041 6: 1209 7: 1061 
             8: 2229 
  Audio:     Device-1: Intel Cannon Point-LP High Definition Audio driver: 
             Sound Server: ALSA v: k5.3.0-13-generic
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
   /dev/snd/controlC0:  daniele    2239 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 19.10
  InstallationDate: Installed on 2019-09-12 (17 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  MachineType: LENOVO 81Q7
  Package: pulseaudio 1:13.0-1ubuntu1
  PackageArchitecture: amd64
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-13-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 5.3.0-13.14-generic 5.3.0
   linux-restricted-modules-5.3.0-13-generic N/A
   linux-backports-modules-5.3.0-13-generic  N/A
   linux-firmware                            1.182
  Tags:  eoan
  Uname: Linux 5.3.0-13-generic x86_64
  UpgradeStatus: Upgraded to eoan on 2019-09-21 (8 days ago)
  UserGroups: adm cdrom dip docker lpadmin microk8s plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 06/12/2019
  dmi.bios.vendor: LENOVO
  dmi.bios.version: AKCN34WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40709 WIN
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Yoga S940-14IWL
  dmi.product.family: Yoga S940-14IWL
  dmi.product.name: 81Q7
  dmi.product.sku: LENOVO_MT_81Q7_BU_idea_FM_Yoga S940-14IWL
  dmi.product.version: Lenovo Yoga S940-14IWL
  dmi.sys.vendor: LENOVO

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