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platform/x86: wmi: Update documentation regarding _WED 

Update the WMI ACPI interface documentation to include the fact
that _WED should be evaluated every time an ACPI notification
is received.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240219115919.16526-5-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Armin Wolf 2024-02-19 12:59:18 +01:00 committed by Ilpo Järvinen
parent 56230bd733
commit 3c4303518a
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1 changed files with 4 additions and 1 deletions
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Documentation/wmi/acpi-interface.rst
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@ -93,4 +93,7 @@ _WED ACPI method
----------------
Used to retrieve additional WMI event data, its single parameter is a integer
holding the notification ID of the event.
holding the notification ID of the event. This method should be evaluated every
time an ACPI notification is received, since some ACPI implementations use a
queue to store WMI event data items. This queue will overflow after a couple
of WMI events are received without retrieving the associated WMI event data.