diff options
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 |