[media] au0828: Cache the decoder info at au0828 dev structure

Instead of seeking for the decoder every time analog stream is
started, cache it. This simplifies the code a little bit.

Requested-by: Hans Verkuil <[email protected]>
Acked-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
3 files changed