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From: Werner Sembach <wse@tuxedocomputers.com>
To: Armin Wolf <W_Armin@gmx.de>, Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>
Cc: Werner Sembach <wse@tuxedocomputers.com>,
	platform-driver-x86@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: [PATCH v2 4/4] Documentation: laptops: Update documentation for uniwill laptops
Date: Thu, 26 Feb 2026 21:50:04 +0100	[thread overview]
Message-ID: <20260226205302.123782-5-wse@tuxedocomputers.com> (raw)
In-Reply-To: <20260226205302.123782-1-wse@tuxedocomputers.com>

Adds short description for two new sysfs entries, ctgp_offset and
usb_c_power_priority, to the documentation of uniwill laptops.

Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
---
 .../ABI/testing/sysfs-driver-uniwill-laptop   | 25 +++++++++++++++++++
 .../admin-guide/laptops/uniwill-laptop.rst    | 12 +++++++++
 2 files changed, 37 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-driver-uniwill-laptop b/Documentation/ABI/testing/sysfs-driver-uniwill-laptop
index 2df70792968f3..55943252f2ab9 100644
--- a/Documentation/ABI/testing/sysfs-driver-uniwill-laptop
+++ b/Documentation/ABI/testing/sysfs-driver-uniwill-laptop
@@ -51,3 +51,28 @@ Description:
 
 		Reading this file returns the current status of the breathing animation
 		functionality.
+
+What:		/sys/bus/platform/devices/INOU0000:XX/ctgp_offset
+Date:		January 2026
+KernelVersion:	7.0
+Contact:	Werner Sembach <wse@tuxedocomputers.com>
+Description:
+		Allows userspace applications to set the configurable TGP offset on top of the base
+		TGP. Base TGP and max TGP and therefore the max cTGP offset are device specific.
+		Note that setting the maximal cTGP leaves no window open for Dynamic Boost,
+		effectifly disabling that feature for the GPU to always be prioritized.
+
+		Reading this file returns the current configurable TGP offset.
+
+What:		/sys/bus/platform/devices/INOU0000:XX/usb_c_power_priority
+Date:		February 2026
+KernelVersion:	7.1
+Contact:	Werner Sembach <wse@tuxedocomputers.com>
+Description:
+		Allows userspace applications to set USB-C power distribution profile between one
+		that offers a bigger share of the power to the battery and one that offers more of
+		it to the CPU. Writing "charging"/"performance" into this file selects the
+		respective profile.
+
+		Reading this file returns the profile names with the currently active one in
+		brackets.
diff --git a/Documentation/admin-guide/laptops/uniwill-laptop.rst b/Documentation/admin-guide/laptops/uniwill-laptop.rst
index aff5f57a6bd47..c89b8b3756f84 100644
--- a/Documentation/admin-guide/laptops/uniwill-laptop.rst
+++ b/Documentation/admin-guide/laptops/uniwill-laptop.rst
@@ -50,6 +50,10 @@ between 1 and 100 percent are supported.
 Additionally the driver signals the presence of battery charging issues through the standard
 ``health`` power supply sysfs attribute.
 
+It also let you set whether an USB-C power source should prioritise charging the battery or
+delivering immediate power to the cpu. See Documentation/ABI/testing/sysfs-driver-uniwill-laptop for
+details.
+
 Lightbar
 --------
 
@@ -58,3 +62,11 @@ LED class device. The default name of this LED class device is ``uniwill:multico
 
 See Documentation/ABI/testing/sysfs-driver-uniwill-laptop for details on how to control the various
 animation modes of the lightbar.
+
+Configurable TGP
+--------
+
+The ``uniwill-laptop`` driver allows to set the configurable TGP for devices with NVIDIA GPUs that
+allow it.
+
+See Documentation/ABI/testing/sysfs-driver-uniwill-laptop for details.
-- 
2.43.0


       reply	other threads:[~2026-02-26 20:53 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20260226205302.123782-1-wse@tuxedocomputers.com>
2026-02-26 20:50 ` Werner Sembach [this message]
2026-02-27  9:36   ` [PATCH v2 4/4] Documentation: laptops: Update documentation for uniwill laptops Armin Wolf

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