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| author | Armin Wolf <W_Armin@gmx.de> | 2026-04-06 23:32:32 +0300 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2026-04-13 14:11:18 +0300 |
| commit | 7e2d964f417ec13763eecfecc5d2813f63cb8da0 (patch) | |
| tree | 2112feaa9eeecb0d25603c2f7f601c0c0f9e627f /Documentation | |
| parent | 0ec7f158dc01e354ba83d808e46346dba826e353 (diff) | |
| download | linux-7e2d964f417ec13763eecfecc5d2813f63cb8da0.tar.xz | |
platform/wmi: Add wmidev_invoke_procedure()
Some WMI methods return no values, so the whole postprocessing
of the result data is not needed for them. Add a special function
for calling such WMI methods to prepare for future changes of
the main wmidev_invoke_method() function.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260406203237.2970-2-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/wmi/driver-development-guide.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/wmi/driver-development-guide.rst b/Documentation/wmi/driver-development-guide.rst index fbc2d9b12fe9..5b94402874c4 100644 --- a/Documentation/wmi/driver-development-guide.rst +++ b/Documentation/wmi/driver-development-guide.rst @@ -106,7 +106,8 @@ WMI method drivers WMI drivers can call WMI device methods using wmidev_invoke_method(). For each WMI method invocation the WMI driver needs to provide the instance number and the method ID, as well as -a buffer with the method arguments and optionally a buffer for the results. +a buffer with the method arguments and optionally a buffer for the results. When calling WMI +methods that do not return any values, wmidev_invoke_procedure() should be used instead. The layout of said buffers is device-specific and described by the Binary MOF data associated with a given WMI device. Said Binary MOF data also describes the method ID of a given WMI method |