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374d1432ca
Right now, only kAPI documentation describes the device naming. However, such description is needed at the uAPI too. Add it, and describe how to get an unique identifier for a given device. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>