** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Disco)
   Importance: Critical
     Assignee: Hui Wang (hui.wang)
       Status: Incomplete

** Also affects: linux (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

** Also affects: linux-oem (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: linux-oem (Ubuntu Disco)
       Status: New => Invalid

** Changed in: linux-oem (Ubuntu Cosmic)
       Status: New => Invalid

** Changed in: linux (Ubuntu Disco)
   Importance: Critical => High

** Changed in: linux (Ubuntu Bionic)
   Importance: Undecided => High

** Changed in: linux (Ubuntu Bionic)
       Status: New => Confirmed

** Changed in: linux (Ubuntu Cosmic)
   Importance: Undecided => High

** Changed in: linux (Ubuntu Cosmic)
       Status: New => Confirmed

** Changed in: linux-oem (Ubuntu Bionic)
   Importance: Undecided => High

** Changed in: linux-oem (Ubuntu Bionic)
       Status: New => Confirmed

** Changed in: linux (Ubuntu Disco)
       Status: Incomplete => Confirmed

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1825272

Title:
  headset-mic doesn't work on two Dell laptops.

Status in linux package in Ubuntu:
  Confirmed
Status in linux-oem package in Ubuntu:
  Invalid
Status in linux source package in Bionic:
  Confirmed
Status in linux-oem source package in Bionic:
  Confirmed
Status in linux source package in Cosmic:
  Confirmed
Status in linux-oem source package in Cosmic:
  Invalid
Status in linux source package in Disco:
  Confirmed
Status in linux-oem source package in Disco:
  Invalid

Bug description:
  [Impact]
  the headset-mic can't be detected after we plug the headset into the audio 
jack

  [Fix]
  Apply the fixup of ALC255_FIXUP_DELL1_MIC_NO_PRESENCE.

  [Test Case]
  Boot up the system
  plug the headset into the audio jack
  The audio device selecting dialogue will show up
  selecting headset-mic icon, then rerord sound from headset-mic, it works well.

  [Regression Risk]
  Low. this patch only applies to specific dell machines which have the same 
pin config
  as defined in the patch.

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