** Description changed:

  [Impact]
  
   * Some Intel platform bionic user audio function will be broken after
  upgrade to kernel 5.4
  
   * pulseaudio can't find working profile, since card name is changed in
  kernel 5.4
  
  [Test Case]
  
   * install kernel 5.4 and check audio function
     $ sudo add-apt-repository ppa:arighi/bionic-hwe-edge-5.4
     $ sudo apt-get update
     $ sudo apt install linux-header-5.4.0-31-generic
     $ sudo apt install linux-image-generic-hwe-18.04-wip
     $ sudo reboot
+ 
+  * install updated linux-firmware and pulseaudio
+    $ sudo add-apt-repository ppa:kchsieh/training
+    $ sudo apt-get update
+    $ sudo apt install linux-firmware
+    $ sudo apt install pulseaudio
+    $ sudo reboot
  
   * test items
     1. check internal speaker/mic to playback and record audio
     2. plug headset and check headset functions
     3. plug HDMI from external monitor/TV, and check audio functions
     4. 1, 2, 3 works fine after resume from suspend
  
  [Regression Potential]
  
   * The updated pulseaudio breaks audio function on old kernel
  
  [Scope]
  
   * Need for bionic only
  
  [Bug Discussion]
  
   * https://bugs.launchpad.net/timbuktu/+bug/1880632
   * MP: 
https://code.launchpad.net/~kchsieh/pulseaudio/+git/bionic-1880632/+merge/384610

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https://bugs.launchpad.net/bugs/1881094

Title:
  Support kernel 5.4 Intel sound driver

Status in OEM Priority Project:
  New
Status in pulseaudio package in Ubuntu:
  New

Bug description:
  [Impact]

   * Some Intel platform bionic user audio function will be broken after
  upgrade to kernel 5.4

   * pulseaudio can't find working profile, since card name is changed
  in kernel 5.4

  [Test Case]

   * install kernel 5.4 and check audio function
     $ sudo add-apt-repository ppa:arighi/bionic-hwe-edge-5.4
     $ sudo apt-get update
     $ sudo apt install linux-header-5.4.0-31-generic
     $ sudo apt install linux-image-generic-hwe-18.04-wip
     $ sudo reboot

   * install updated linux-firmware and pulseaudio
     $ sudo add-apt-repository ppa:kchsieh/training
     $ sudo apt-get update
     $ sudo apt install linux-firmware
     $ sudo apt install pulseaudio
     $ sudo reboot

   * test items
     1. check internal speaker/mic to playback and record audio
     2. plug headset and check headset functions
     3. plug HDMI from external monitor/TV, and check audio functions
     4. 1, 2, 3 works fine after resume from suspend

  [Regression Potential]

   * The updated pulseaudio breaks audio function on old kernel

  [Scope]

   * Need for bionic only

  [Bug Discussion]

   * https://bugs.launchpad.net/timbuktu/+bug/1880632
   * MP: 
https://code.launchpad.net/~kchsieh/pulseaudio/+git/bionic-1880632/+merge/384610

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