[Bug 1926378] Re: SRU pi-bluetooth from hirsute to focal to enable all models

[William Wilson]

** Tags added: verification-needed verification-needed-focal

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Title:
  SRU pi-bluetooth from hirsute to focal to enable all models

Status in pi-bluetooth package in Ubuntu:
  New
Status in pi-bluetooth source package in Focal:
  New

Bug description:
  [Impact]

   * Without the pi-bluetooth changes in hirsute, bluetooth will not
  work on the Pi 400 or CM4.

  [Test Case]

   * Boot the Ubuntu Server for Pi 20.04 image on a Raspberry Pi 400.
   * "bluetoothctl"
   * "list" and verify there is no available bluetooth controller
   * Enable proposed (https://wiki.ubuntu.com/Testing/EnableProposed)
   * "sudo apt install pi-bluetooth"
   * "sudo reboot" (required as bluetooth initialization only occurs during 
      udev activation)
   * "bluetoothctl"
   * "list" and verify there is a single available bluetooth controller
   * "scan on" and bring another discoverable bluetooth device in range; 
      verify it is reported under bluetoothctl
   * Repeat the above steps for the CM4

  [Regression Potential]

  There are multiple changes being SRU'd, but since the linux-firmware-
  raspi2 and bluez packages are also being SRUd, the risk of regression
  should be fairly low. These changes have worked well in hirsute for
  some time.

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