This depends on the hardware design first, if the audio jack and the
codec supports it or not.

Then it depends on the kernel driver. With the ubuntu 20.04, the
userspace part is OK to support the headset button, since I already
verified it on the Leonvo x1c7.

I will build a testing kernel, let us see if it could work or not.

thx.


** Changed in: pulseaudio (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1894338

Title:
  [Samsung Earphones Tuned by AKG] Volume control buttons don't work

Status in linux package in Ubuntu:
  Incomplete
Status in pulseaudio package in Ubuntu:
  Invalid

Bug description:
  My earphones are the one coming with Samsung Galaxy S8 (here:
  https://www.samsung.com/us/mobile/mobile-accessories/phones/samsung-
  earphones-tuned-by-akg--gray-eo-ig955bsegus) and on my Ubuntu 18.04
  (dual-boot with Windows 10, Secure Boot enabled)

  Trying to set the volume from my earphones' controls doesn't work, no
  modification on the volume, the sound bar on Ubuntu doesn't appear in
  order to indicate volume change. I would like to change the master
  volume, or whatever my common laptop controls do when I up/down the
  volume controls on my earphones, like it happens on Windows 10. Why
  does the erroneous behavior of being unable to set volume from my
  earphones happen?

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: pulseaudio 1:11.1-1ubuntu7.10
  ProcVersionSignature: Ubuntu 4.15.0-115.116-generic 4.15.18
  Uname: Linux 4.15.0-115-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.17
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jason      3523 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Sep  4 23:29:52 2020
  InstallationDate: Installed on 2018-09-28 (706 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=el_GR.UTF-8
   SHELL=/bin/bash
  SourcePackage: pulseaudio
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/17/2020
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.16.0
  dmi.board.name: 02P5YY
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.16.0:bd02/17/2020:svnDellInc.:pnInspiron7570:pvr:rvnDellInc.:rn02P5YY:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.family: Inspiron
  dmi.product.name: Inspiron 7570
  dmi.sys.vendor: Dell Inc.

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