private static extern int ioctl(int device, v4l2_operation request, ref v4l2_frequency argp);
/// <summary>
/// Calls VIDIOC_S_FREQUENCY.
/// </summary>
public int SetFrequency(ref v4l2_frequency freq)
{
return ioctl(deviceHandle, v4l2_operation.SetFrequency, ref freq);
}
