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

Timo Aaltonen tjaalton at ubuntu.com
Tue Dec 1 09:01:54 UTC 2020


On 13.11.2020 19.01, 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(+)
> 

applied to oem-5.6, thanks


-- 
t



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