linux-kernel - Re: [PATCH 8/9] platform/x86: asus-wmi: Add support for MCU powersave

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Message-ID: <cddf60d7-1523-2f22-252a-3c22d399addb@linux.intel.com>
Date: Mon, 25 Mar 2024 15:53:46 +0200 (EET)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: "Luke D. Jones" <luke@...nes.dev>
cc: Hans de Goede <hdegoede@...hat.com>, corentin.chary@...il.com, 
    platform-driver-x86@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 8/9] platform/x86: asus-wmi: Add support for MCU
 powersave

On Mon, 25 Mar 2024, Luke D. Jones wrote:

> Add support for an MCU powersave WMI call. This is intended to set the
> MCU in to a low-power mode when sleeping. This mode can cut sleep power
> use by around half.
> 
> Signed-off-by: Luke D. Jones <luke@...nes.dev>
> ---
>  .../ABI/testing/sysfs-platform-asus-wmi       | 11 +++-
>  drivers/platform/x86/asus-wmi.c               | 50 +++++++++++++++++++
>  2 files changed, 60 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/ABI/testing/sysfs-platform-asus-wmi b/Documentation/ABI/testing/sysfs-platform-asus-wmi
> index 5645dbac4ce8..ab8e5ab1bba9 100644
> --- a/Documentation/ABI/testing/sysfs-platform-asus-wmi
> +++ b/Documentation/ABI/testing/sysfs-platform-asus-wmi
> @@ -202,4 +202,13 @@ Contact:	"Luke Jones" <luke@...nes.dev>
>  Description:
>  		Set if the BIOS POST sound is played on boot.
>  			* 0 - False,
> -			* 1 - True
> \ No newline at end of file
> +			* 1 - True
> +
> +What:		/sys/devices/platform/<platform>/mcu_powersave
> +Date:		Mar 2023

2024.

-- 
 i.