summaryrefslogtreecommitdiffstats
path: root/Documentation/ABI
diff options
context:
space:
mode:
authorArmin Wolf <W_Armin@gmx.de>2023-05-08 22:42:41 +0200
committerHans de Goede <hdegoede@redhat.com>2023-05-09 11:54:42 +0200
commit334e3516f23360e0690511fb43052959111f51b4 (patch)
treeb10ff0fa57008a4d613185f65352cc102521cbb2 /Documentation/ABI
parentb64c1a157d78f8e74fce96f7a14ee7084d8bbbce (diff)
downloadlinux-334e3516f23360e0690511fb43052959111f51b4.tar.gz
linux-334e3516f23360e0690511fb43052959111f51b4.tar.bz2
linux-334e3516f23360e0690511fb43052959111f51b4.zip
platform/x86: dell-ddv: Update ABI documentation
Synchronize the ABI documentation with the driver documentation and direct users to the latter in case the search for more detailed information. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20230508204241.11076-2-W_Armin@gmx.de Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/debugfs-dell-wmi-ddv29
-rw-r--r--Documentation/ABI/testing/sysfs-platform-dell-wmi-ddv4
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.