** Tags added: oem-priority originate-from-1901983 stella

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Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1904225

Title:
  Use ACPI S5 for reboot

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Confirmed
Status in linux-oem-5.6 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Confirmed
Status in linux-oem-5.6 source package in Focal:
  Confirmed
Status in linux source package in Groovy:
  Confirmed
Status in linux-oem-5.6 source package in Groovy:
  Invalid

Bug description:
  [Impact]
  On some HP laptops, BIOS hotkeys don't work right after reboot, becuase
  OS doesn't call _PTS to indicate ACPI it's rebooting.

  [Fix]
  Follow Windows and use S5 for reboot.

  [Test case]
  Reboot and see if hotkeys like F10/F11 can trigger BIOS functions.
  Hotkeys work great with the patch applied. 

  [Where problems could occur]
  If there are platforms don't expect S5 for reboot then there could be
  unexpected result.
  However Windows uses S5 so that's rather unlikely.

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