VIDIOC_G_TUNER
v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
v4l2_disable_ioctl(&s->vdev, VIDIOC_G_TUNER);
v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_TUNER);
v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_TUNER);
v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_TUNER);
v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_TUNER);
v4l2_disable_ioctl(&v4l2->vbi_dev, VIDIOC_G_TUNER);
v4l2_disable_ioctl(vdev, VIDIOC_G_TUNER);
SET_VALID_IOCTL(ops, VIDIOC_G_TUNER, vidioc_g_tuner);
if (is_valid_ioctl(vfd, VIDIOC_G_TUNER)) {
IOCTL_INFO(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)),
ret = ioctl(fd, VIDIOC_G_TUNER, &vtuner);