The HUAWEI DLI-L22 has swapped calibration illuminants, so ColorMatrix1 needs to be used:
{
"make_model": [ "HUAWEI DLI-L22" ],
"dcraw_matrix": [ 6984, -812, -975, -4792, 13481, 1381, -1056, 2355, 4873 ] // ColorMatrix1 (D65, wrong order) from Adobe DNG Converter 11.2.1
},