hdsp_spdif_sample_rate
int spdif_freq = hdsp_spdif_sample_rate(hdsp);
switch (hdsp_spdif_sample_rate(hdsp)) {
x = hdsp_spdif_sample_rate(hdsp);
info.spdif_sample_rate = hdsp_spdif_sample_rate(hdsp);
return hdsp_spdif_sample_rate(hdsp);