APPLIED: [F/G] [PATCH 0/1] Use ACPI S5 for reboot
William Breathitt Gray
william.gray at canonical.com
Fri Nov 20 16:36:56 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.
>
> Kai-Heng Feng (1):
> PM: ACPI: reboot: Use S5 for reboot
>
> kernel/reboot.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> --
> 2.28.0
Applied to Focal:linux and Groovy:linux.
William Breathitt Gray
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