VIDIOC_ENUMAUDIO
v4l2_disable_ioctl(&s->vdev, VIDIOC_ENUMAUDIO);
v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUMAUDIO);
v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_ENUMAUDIO);
v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_ENUMAUDIO);
v4l2_disable_ioctl(vdev, VIDIOC_ENUMAUDIO);
SET_VALID_IOCTL(ops, VIDIOC_ENUMAUDIO, vidioc_enumaudio);
IOCTL_INFO(VIDIOC_ENUMAUDIO, v4l_stub_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)),