You can add TEGRA_IMAGE_DT_RAW16 map to 46 like below.
DTYPE:
NvCsiDataType_Unspecified = 0,
NvCsiDataType_YUV420_10 = 25,
NvCsiDataType_LEG_YUV420_8 = 26,
NvCsiDataType_YUV420_8 = 24,
NvCsiDataType_YUV420CSPS_8 = 28,
NvCsiDataType_YUV420CSPS_10 = 29,
NvCsiDataType_YUV422_8 = 30,
NvCsiDataType_YUV422_10 = 31,
NvCsiDataType_RGB444 = 32,
NvCsiDataType_RGB555 = 33,
NvCsiDataType_RGB565 = 34,
NvCsiDataType_RGB666 = 35,
NvCsiDataType_RGB888 = 36,
NvCsiDataType_RAW6 = 40,
NvCsiDataType_RAW7 = 41,
NvCsiDataType_RAW8 = 42,
NvCsiDataType_RAW10 = 43,
NvCsiDataType_RAW12 = 44,
NvCsiDataType_RAW14 = 45,
NvCsiDataType_RAW16 = 46,
NvCsiDataType_RAW20 = 47,
NvCsiDataType_User_1 = 48,