linux-kernel - Re: [PATCH v8 05/14] ABI: testing: sysfs-class-oxp: add tt

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Message-ID: <fd6abf62-b822-c3e2-e006-92798abd8d04@linux.intel.com>
Date: Fri, 11 Apr 2025 18:23:41 +0300 (EEST)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Antheas Kapenekakis <lkml@...heas.dev>
cc: platform-driver-x86@...r.kernel.org, linux-hwmon@...r.kernel.org, 
    linux-doc@...r.kernel.org, linux-pm@...r.kernel.org, 
    Guenter Roeck <linux@...ck-us.net>, Jean Delvare <jdelvare@...e.com>, 
    Jonathan Corbet <corbet@....net>, 
    Joaquin Ignacio Aramendia <samsagax@...il.com>, 
    Derek J Clark <derekjohn.clark@...il.com>, 
    Kevin Greenberg <kdgreenberg234@...tonmail.com>, 
    Joshua Tam <csinaction@...me>, Parth Menon <parthasarathymenon@...il.com>, 
    Eileen <eileen@...-netbook.com>, LKML <linux-kernel@...r.kernel.org>, 
    sre@...nel.org, linux@...ssschuh.net, Hans de Goede <hdegoede@...hat.com>, 
    mario.limonciello@....com
Subject: Re: [PATCH v8 05/14] ABI: testing: sysfs-class-oxp: add tt_led
 attribute documentation

On Sat, 22 Mar 2025, Antheas Kapenekakis wrote:

> Adds documentation about the tt_led attribute of OneXPlayer devices
> to the sysfs-class-oxp ABI documentation.
> 
> Reviewed-by: Thomas Weißschuh <linux@...ssschuh.net>
> Reviewed-by: Derek J. Clark <derekjohn.clark@...il.com>
> Signed-off-by: Antheas Kapenekakis <lkml@...heas.dev>
> ---
>  Documentation/ABI/testing/sysfs-platform-oxp | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-platform-oxp b/Documentation/ABI/testing/sysfs-platform-oxp
> index 091269ab2c8c4..ccf8e5902cf86 100644
> --- a/Documentation/ABI/testing/sysfs-platform-oxp
> +++ b/Documentation/ABI/testing/sysfs-platform-oxp
> @@ -11,3 +11,15 @@ Description:
>  		shortcut over the AT keyboard of the device. In addition,
>  		using this setting is a prerequisite for PWM control for most
>  		newer models (otherwise it NOOPs).
> +
> +What:		/sys/devices/platform/<platform>/tt_led
> +Date:		Feb 2025
> +KernelVersion:	6.15

As usual with these versions/dates, this ship has sailed by now.

> +Contact:	"Antheas Kapenekakis" <lkml@...heas.dev>
> +Description:
> +		Some OneXPlayer devices (e.g., X1 series) feature a little LED
> +		nested in the Turbo button. This LED is illuminated when the
> +		device is in the higher TDP mode (e.g., 25W). Once tt_toggle
> +		is engaged, this LED is left dangling to its last state. This
> +		attribute allows userspace to control the LED state manually
> +		(either with 1 or 0). Only a subset of devices contain this LED.
> 

-- 
 i.