APPLIED[Unstable]: [F/G/Unstable/OEM-5.6] [PATCH 0/1] Use ACPI S5 for reboot

Seth Forshee seth.forshee at canonical.com
Fri Dec 18 23:06:00 UTC 2020


On Sat, Nov 14, 2020 at 01:01:58AM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1904225
> 
> [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.

Applied to unstable/master, thanks!



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