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b82a7df4a7
Add a convenience function to tell whether a device is in D0 state, primarily for use in drivers' probe or remove functions on busses where the custom is to power on the device for the duration of both. Returns false on non-ACPI systems. Suggested-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>