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The CEC framework needs to know when the hotplug detect signal disappears, since that means the CEC physical address has to be invalidated (i.e. set to f.f.f.f). Add a lost_hotplug op that is called when the HPD signal goes away. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>