Documentation: ABI: Update WMI device paths in ABI docs
authorArmin Wolf <W_Armin@gmx.de>
Tue, 10 Jun 2025 05:55:25 +0000 (07:55 +0200)
committerIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Fri, 13 Jun 2025 09:33:31 +0000 (12:33 +0300)
The WMI driver core might append an ID to the WMI device name to avoid
name collisions in case multiple WMI devices with the same GUID are
present. Update all sysfs path referring to WMI devices to inform
users about this important detail.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20250610055526.23688-1-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Documentation/ABI/testing/sysfs-platform-dell-privacy-wmi
Documentation/ABI/testing/sysfs-platform-intel-wmi-sbl-fw-update
Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt
Documentation/admin-guide/thunderbolt.rst

index 1f1f274..b4da7b2 100644 (file)
@@ -1,4 +1,4 @@
-What:          /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
+What:          /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919[-X]/dell_privacy_supported_type
 Date:          Apr 2021
 KernelVersion: 5.13
 Contact:       "<perry.yuan@dell.com>"
@@ -29,12 +29,12 @@ Description:
 
                For example to check which privacy devices are supported::
 
-                   # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_supported_type
+                   # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919*/dell_privacy_supported_type
                    [Microphone Mute] [supported]
                    [Camera Shutter] [supported]
                    [ePrivacy Screen] [unsupported]
 
-What:          /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
+What:          /sys/bus/wmi/devices/6932965F-1671-4CEB-B988-D3AB0A901919[-X]/dell_privacy_current_state
 Date:          Apr 2021
 KernelVersion: 5.13
 Contact:       "<perry.yuan@dell.com>"
@@ -66,6 +66,6 @@ Description:
 
                For example to check all supported current privacy device states::
 
-                   # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919/dell_privacy_current_state
+                   # cat /sys/bus/wmi/drivers/dell-privacy/6932965F-1671-4CEB-B988-D3AB0A901919*/dell_privacy_current_state
                    [Microphone] [unmuted]
                    [Camera Shutter] [unmuted]
index 02ae1e9..7ffd157 100644 (file)
@@ -1,4 +1,4 @@
-What:          /sys/bus/wmi/devices/44FADEB1-B204-40F2-8581-394BBDC1B651/firmware_update_request
+What:          /sys/bus/wmi/devices/44FADEB1-B204-40F2-8581-394BBDC1B651[-X]/firmware_update_request
 Date:          April 2020
 KernelVersion: 5.7
 Contact:       "Jithu Joseph" <jithu.joseph@intel.com>
index fd3a7ec..10ef128 100644 (file)
@@ -1,4 +1,4 @@
-What:          /sys/devices/platform/<platform>/force_power
+What:          /sys/bus/wmi/devices/86CCFD48-205E-4A77-9C48-2021CBEDE341[-X]/force_power
 Date:          September 2017
 KernelVersion: 4.15
 Contact:       "Mario Limonciello" <mario.limonciello@outlook.com>
index 240fee6..102c693 100644 (file)
@@ -358,12 +358,7 @@ Forcing power
 Many OEMs include a method that can be used to force the power of a
 Thunderbolt controller to an "On" state even if nothing is connected.
 If supported by your machine this will be exposed by the WMI bus with
-a sysfs attribute called "force_power".
-
-For example the intel-wmi-thunderbolt driver exposes this attribute in:
-  /sys/bus/wmi/devices/86CCFD48-205E-4A77-9C48-2021CBEDE341/force_power
-
-  To force the power to on, write 1 to this attribute file.
-  To disable force power, write 0 to this attribute file.
+a sysfs attribute called "force_power", see
+Documentation/ABI/testing/sysfs-platform-intel-wmi-thunderbolt for details.
 
 Note: it's currently not possible to query the force power state of a platform.