media: cx25840: implement g_std operation

This commit implements g_std operation in cx25840 driver by returning the
last set video standard.

Signed-off-by: Maciej S. Szmigiero <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
1 file changed