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[Cerberus <1598571@xxxxxxxxxxxxxxxxxx>]

I have a similar problem on Asus Rog G751JT laptop.

When I connected headphones no sound is heard from them, but audio from
speakers continues playing, there are no headphones in mixers, like they
are not recognized at all, they work fine in Windows 10 and I tested
with both of my headphones. When I add asus-mode hack in the alsa-
base.conf I get sound from both speakers and headphones, but that is
useless as speakers are not muted.

This is my Alsa:

http://www.alsa-
project.org/db/?f=6d358e8b683771d1ac039b8b9a09075c2bb61b84

Ubuntu 16.04 LTS in question. Same behaviour is present in OpenSuse
Tumbleweed I tested which has 4.6 kernel which could point to a wider
Alsa bug.

** Tags added: alsa kernel-sound

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https://bugs.launchpad.net/bugs/1598571

Title:
  Audio-out on Asus X555 dont work

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Have problem with headphone/microphone port in my laptop. When plug-in headphones, sound resume play on speackers... In Win10 i dont have this problem. Physicaly port work good.
  Card: HDA Intel PCH
  Chip: Realtek ALC256

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-30-generic 4.4.0-30.49
  ProcVersionSignature: Ubuntu 4.4.0-30.49-generic 4.4.13
  Uname: Linux 4.4.0-30-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mnaz       1727 F.... pulseaudio
                        mnaz       9456 F.... alsamixer
  CurrentDesktop: Unity
  Date: Sun Jul  3 15:17:26 2016
  HibernationDevice: RESUME=UUID=773628e6-2536-424b-9a24-4e8c8f0a1892
  InstallationDate: Installed on 2016-06-25 (8 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 0bda:57de Realtek Semiconductor Corp.
   Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
   Bus 001 Device 002: ID 0c45:0520 Microdia MaxTrack Wireless Mouse
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. X555UB
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-30-generic.efi.signed root=UUID=f9ab2085-6070-4e16-969a-8769d6bd87e3 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-30-generic N/A
   linux-backports-modules-4.4.0-30-generic  N/A
   linux-firmware                            1.157.2
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/18/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X555UB.204
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X555UB
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX555UB.204:bd10/18/2015:svnASUSTeKCOMPUTERINC.:pnX555UB:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX555UB:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X555UB
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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