audiohd_do_build_output_path
audiohd_do_build_output_path(codec, mixer_allow, &mnum, 1, 0);
audiohd_do_build_output_path(codec, mixer_allow, &mnum, 0, 0);
audiohd_do_build_output_path(codec, 0, &mnum, 1, 0);
audiohd_do_build_output_path(codec, 0, &mnum, 0, 0);