The querycap ioctl didn't support V4L2_CAP_DEVICE_CAPS and the radio device
implemented audio and video inputs and s_std, which are not part of the radio
API.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>