Re: [PATCH v2] ACPI: Execute the _PTS method when system reboot
From: Rafael J. Wysocki
Date: Mon Jul 04 2016 - 08:56:16 EST
On Monday, June 27, 2016 02:50:16 PM Ocean HY1 He wrote:
> The _PTS control method is defined in the section 7.4.1 of acpi 6.0
> spec. The _PTS control method is executed by the OS during the sleep
> transition process for S1, S2, S3, S4, and for orderly S5 shutdown.
>
> The _PTS control method provides the BIOS a mechanism for performing
> some housekeeping, such as writing the sleep type value to the embedded
> controller, before entering the system sleeping state. Note that some
> Lenovo Server BIOS use this mechanism to detect reboot event and
> prompt user by popped dialog box.
>
> According to section 7.5 of acpi 6.0 spec, _PTS should run after _TTS.
> Add a _PTS evaulation to the existing _TTS reboot notifier and change
> the notifier name to reflect the fact that it's not for _TTS only any
> more.
>
> Signed-off-by: Ocean He <hehy1@xxxxxxxxxx>
> Signed-off-by: Nagananda Chumbalkar <nchumbalkar@xxxxxxxxxx>
Applied, thanks!