** 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
-    1. enable Pre-released updates in Developer Options
-       Software & Updates > Developer Options > Pre-released updates 
(bionic-proposed)
+    1. enable Pre-released updates in Developer Options
+       Software & Updates > Developer Options > Pre-released updates 
(bionic-proposed)
     2. $ sudo apt update
-    3. $ sudo apt install linux-generic-hwe-18.04-wip
+    3. $ sudo apt install linux-generic-hwe-18.04-edge
     4. $ 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 on bionic

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