VIDIOC_S_INPUT
v4l2_disable_ioctl(&s->vdev, VIDIOC_S_INPUT);
case VIDIOC_S_INPUT:
SET_VALID_IOCTL(ops, VIDIOC_S_INPUT, vidioc_s_input);
__set_bit(_IOC_NR(VIDIOC_S_INPUT), valid_ioctls);
SET_VALID_IOCTL(ops, VIDIOC_S_INPUT, vidioc_s_input);
SET_VALID_IOCTL(ops, VIDIOC_S_INPUT, vidioc_s_input);
IOCTL_INFO(VIDIOC_S_INPUT, v4l_s_input, v4l_print_u32, INFO_FL_PRIO),