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From: Armin Wolf <W_Armin@gmx.de>
To: hdegoede@redhat.com, markgross@kernel.org
Cc: corbet@lwn.net, platform-driver-x86@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] platform/x86: dell-ddv: Update ABI documentation
Date: Sun, 30 Apr 2023 00:55:25 +0200	[thread overview]
Message-ID: <20230429225525.10507-2-W_Armin@gmx.de> (raw)
In-Reply-To: <20230429225525.10507-1-W_Armin@gmx.de>

Synchronize the ABI documentation with the driver documentation
and direct users to the latter in case they are interested in
more detailed information.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
---
 .../ABI/testing/debugfs-dell-wmi-ddv          | 29 ++++++++++++++-----
 .../ABI/testing/sysfs-platform-dell-wmi-ddv   |  4 ++-
 2 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/Documentation/ABI/testing/debugfs-dell-wmi-ddv b/Documentation/ABI/testing/debugfs-dell-wmi-ddv
index fbcc5d6f7388..81cfc788be15 100644
--- a/Documentation/ABI/testing/debugfs-dell-wmi-ddv
+++ b/Documentation/ABI/testing/debugfs-dell-wmi-ddv
@@ -3,19 +3,32 @@ Date:		September 2022
 KernelVersion:	6.1
 Contact:	Armin Wolf <W_Armin@gmx.de>
 Description:
-		This file contains the contents of the fan sensor information buffer,
-		which contains fan sensor entries and a terminating character (0xFF).
+		This file contains the contents of the fan sensor information
+		buffer, which contains fan sensor entries and a terminating
+		character (0xFF).

-		Each fan sensor entry consists of three bytes with an unknown meaning,
-		interested people may use this file for reverse-engineering.
+		Each fan sensor entry contains:
+
+		- fan type (single byte)
+		- fan speed in RPM (two bytes, little endian)
+
+		See Documentation/wmi/devices/dell-wmi-ddv.rst for details.

 What:		/sys/kernel/debug/dell-wmi-ddv-<wmi_device_name>/thermal_sensor_information
 Date:		September 2022
 KernelVersion:	6.1
 Contact:	Armin Wolf <W_Armin@gmx.de>
 Description:
-		This file contains the contents of the thermal sensor information buffer,
-		which contains thermal sensor entries and a terminating character (0xFF).
+		This file contains the contents of the thermal sensor information
+		buffer, which contains thermal sensor entries and a terminating
+		character (0xFF).
+
+		Each thermal sensor entry contains:
+
+		- thermal type (single byte)
+		- current temperature (single byte)
+		- min. temperature (single byte)
+		- max. temperature (single byte)
+		- unknown field (single byte)

-		Each thermal sensor entry consists of five bytes with an unknown meaning,
-		interested people may use this file for reverse-engineering.
+		See Documentation/wmi/devices/dell-wmi-ddv.rst for details.
diff --git a/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv b/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv
index 1d97ad615c66..a9d39d9e8865 100644
--- a/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv
+++ b/Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv
@@ -3,5 +3,7 @@ Date:		September 2022
 KernelVersion:	6.1
 Contact:	Armin Wolf <W_Armin@gmx.de>
 Description:
-		Reports the Dell ePPID (electronic Dell Piece Part Identification)
+		Reports the Dell ePPID (electronic Piece Part Identification)
 		of the ACPI battery.
+
+		See Documentation/wmi/devices/dell-wmi-ddv.rst for details.
--
2.30.2


  reply	other threads:[~2023-04-29 22:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-29 22:55 [PATCH 1/2] platform/x86: dell-ddv: Add documentation Armin Wolf
2023-04-29 22:55 ` Armin Wolf [this message]
2023-05-07 15:40 ` Armin Wolf
2023-05-08  2:25 ` Bagas Sanjaya

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