ipu6_isys_get_isys_format
code = ipu6_isys_get_isys_format(ipu6_isys_get_format(av), 0)->code;
ipu6_isys_get_isys_format(ipu6_isys_get_format(av), 0);
ipu6_isys_get_isys_format(ipu6_isys_get_format(av), 0);
ipu6_isys_get_isys_format(*format, type);
code = ipu6_isys_get_isys_format(ipu6_isys_get_format(av), 0)->code;
ipu6_isys_get_isys_format(ipu6_isys_get_format(av), 0);
ipu6_isys_get_isys_format(ipu6_isys_get_format(av), 0);
ipu6_isys_get_isys_format(u32 pixelformat, u32 code);