Commits
Mauro Carvalho Chehab committed fb8decfabdf
[media] em28xx: properly handle subdev controls Subdev controls return codes are evil, as they return -EINVAL to mean both unsupported and invalid arguments. Due to that, we need to use a trick to identify what controls are supported by a subdev. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>