+#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S','5','0','1') /* YUYV per line */
+#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S','5','6','1') /* compressed GBRG bayer */
+#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P','2','0','7') /* compressed BGGR bayer */