Mauro Carvalho Chehab fb8decfabd [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>
2011-03-21 20:32:04 -03:00
..