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a66bfa7a47
According to the ACPI-WMI spec, event blocks may provide a function call for enabling/disabling them. This patch adds support for making these calls when registering or removing notifications. Without this, my Dell firmware provides no data in the event notification. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Len Brown <len.brown@intel.com>