[Bug 1926378] Update Released

[Brian Murray]

The verification of the Stable Release Update for pi-bluetooth has
completed successfully and the package is now being released to
-updates.  Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

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https://bugs.launchpad.net/bugs/1926378

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

Status in pi-bluetooth package in Ubuntu:
  Invalid
Status in pi-bluetooth source package in Focal:
  Fix Released

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. In the past, other updates to this package have caused
  regressions on other Pi models such as the 2, 3, and 4. Though
  unlikely, that could potentially occur with this change as well.

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