Is it possible to create a buffer in GREY format using NvBufferCreateEx in nvbuf_utils.h file

Is it possible to create a buffer in GREY format using NvBufferCreateEx in nvbuf_utils.h file?
I did not find a suitable NvBufferColorFormat option

/**
 * Defines color formats for NvBuffer.
 */
typedef enum
{
  /** YUV420 multi-planar. */
  NvBufferColorFormat_YUV420,
  /** YUV420 multi-planar. */
  NvBufferColorFormat_YVU420,
  /** Y/CbCr 4:2:0 multi-planar. */
  NvBufferColorFormat_NV12,
  /** Y/CbCr 4:2:0 multi-planar. */
  NvBufferColorFormat_NV21,
  /** YUV 4:2:2 planar. */
  NvBufferColorFormat_UYVY,
  /** YUV 4:2:2 planar. */
  NvBufferColorFormat_VYUY,
  /** YUV 4:2:2 planar. */
  NvBufferColorFormat_YUYV,
  /** YUV 4:2:2 planar. */
  NvBufferColorFormat_YVYU,
  /** BGRA-8-8-8-8 planar. */
  NvBufferColorFormat_ABGR32,
  /** XRGB-8-8-8-8 planar. */
  NvBufferColorFormat_XRGB32,
  /** ARGB-8-8-8-8 planar. */
  NvBufferColorFormat_ARGB32,
  /** Invalid color format. */
  NvBufferColorFormat_Invalid,
} NvBufferColorFormat;

Thanks!

Have a check the MMAPI sample that have grey support.

…/samples/12_camera_v4l2_cuda/camera_v4l2_cuda.cpp

Also can reference to below topic.

https://devtalk.nvidia.com/default/topic/1030317