[media] au0828: Cancel stream-restart operation if frontend is disconnected
[media] au0828: Cancel stream-restart operation if frontend is disconnected

If the tuner is already disconnected, It is meaningless to go on doing the
stream-restart operation, It is better to cancel this operation.

Signed-off-by: Changbing Xiong <2cf896598e18a29473c2498c22f1cc5661b7a630@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <0cae1d1e981e84d16b82ca3d17be8a7f826608d3@samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs