Public bug reported:

1) Ubuntu version : 18.04.1

2)
alsa-utils:
  Installé : 1.1.3-1ubuntu1
  Candidat : 1.1.3-1ubuntu1
 Table de version :
 *** 1.1.3-1ubuntu1 500
        500 http://ca.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status
alsa-base:
  Installé : 1.0.25+dfsg-0ubuntu5
  Candidat : 1.0.25+dfsg-0ubuntu5
 Table de version :
 *** 1.0.25+dfsg-0ubuntu5 500
        500 http://ca.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        500 http://ca.archive.ubuntu.com/ubuntu bionic/main i386 Packages
        100 /var/lib/dpkg/status
3) I expected my headset's microphone to be used by the system directly or at 
least to be able to "toggle" it

4) It's not even recognized and keeps using my laptop's internal
microphone. I did tests using Discord and when I got closer to my
laptop's internal mic, my voice was louder as my friends reported. I
could see on some graphs like pavucontrol's that it was the case. But it
never happened when I got my headset's mic close to my mouth.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/pcmC1D0c:   mikasu     1794 F...m pulseaudio
 /dev/snd/pcmC1D0p:   mikasu     1794 F...m pulseaudio
 /dev/snd/controlC1:  mikasu     1794 F.... pulseaudio
 /dev/snd/controlC0:  mikasu     1794 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Tue Jan  1 02:09:45 2019
InstallationDate: Installed on 2018-10-15 (78 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/15/2015
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.32
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: EA50_HB
dmi.board.vendor: Acer
dmi.board.version: V1.32
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.32
dmi.modalias: 
dmi:bvnInsydeCorp.:bvrV1.32:bd09/15/2015:svnAcer:pnAspireV3-572PG:pvrV1.32:rvnAcer:rnEA50_HB:rvrV1.32:cvnAcer:ct10:cvrV1.32:
dmi.product.family: BDW
dmi.product.name: Aspire V3-572PG
dmi.product.version: V1.32
dmi.sys.vendor: Acer
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2019-01-01T02:05:33.595406

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1810189

Title:
  External mic not detected and/or used trrs jack ALC283

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  1) Ubuntu version : 18.04.1

  2)
  alsa-utils:
    Installé : 1.1.3-1ubuntu1
    Candidat : 1.1.3-1ubuntu1
   Table de version :
   *** 1.1.3-1ubuntu1 500
          500 http://ca.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
          100 /var/lib/dpkg/status
  alsa-base:
    Installé : 1.0.25+dfsg-0ubuntu5
    Candidat : 1.0.25+dfsg-0ubuntu5
   Table de version :
   *** 1.0.25+dfsg-0ubuntu5 500
          500 http://ca.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
          500 http://ca.archive.ubuntu.com/ubuntu bionic/main i386 Packages
          100 /var/lib/dpkg/status
  3) I expected my headset's microphone to be used by the system directly or at 
least to be able to "toggle" it

  4) It's not even recognized and keeps using my laptop's internal
  microphone. I did tests using Discord and when I got closer to my
  laptop's internal mic, my voice was louder as my friends reported. I
  could see on some graphs like pavucontrol's that it was the case. But
  it never happened when I got my headset's mic close to my mouth.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu5
  ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
  Uname: Linux 4.15.0-43-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0c:   mikasu     1794 F...m pulseaudio
   /dev/snd/pcmC1D0p:   mikasu     1794 F...m pulseaudio
   /dev/snd/controlC1:  mikasu     1794 F.... pulseaudio
   /dev/snd/controlC0:  mikasu     1794 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jan  1 02:09:45 2019
  InstallationDate: Installed on 2018-10-15 (78 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Title: PCI/internal sound card not detected
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/15/2015
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.32
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: EA50_HB
  dmi.board.vendor: Acer
  dmi.board.version: V1.32
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.32
  dmi.modalias: 
dmi:bvnInsydeCorp.:bvrV1.32:bd09/15/2015:svnAcer:pnAspireV3-572PG:pvrV1.32:rvnAcer:rnEA50_HB:rvrV1.32:cvnAcer:ct10:cvrV1.32:
  dmi.product.family: BDW
  dmi.product.name: Aspire V3-572PG
  dmi.product.version: V1.32
  dmi.sys.vendor: Acer
  mtime.conffile..etc.modprobe.d.alsa-base.conf: 2019-01-01T02:05:33.595406

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