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cc0140e2a0
Sometimes the caller is already holding the control handler mutex and using it to serialise something. Provide an unlocked variant of the same function to be used in those cases. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>