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@xxxxxx> --- Documentation/wmi/acpi-interface.rst | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/wmi/acpi-interface.rst b/Documentation/wmi/acpi-interface.rst index d31af0ed9c08..06fb7fcf4413 100644 --- a/Documentation/wmi/acpi-interface.rst +++ b/Documentation/wmi/acpi-interface.rst @@ -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. -- 2.39.2
