HDSPM_SyncRef0
case HDSPM_SyncRef0: return 1; /* AES 1 */
case HDSPM_SyncRef1+HDSPM_SyncRef0: return 3; /* AES 3 */
case HDSPM_SyncRef2+HDSPM_SyncRef0: return 5; /* AES 5 */
case HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0:
case HDSPM_SyncRef3+HDSPM_SyncRef0: return 9; /* TCO */
case HDSPM_SyncRef0: return 1; /* MADI */
case HDSPM_SyncRef1+HDSPM_SyncRef0:
case HDSPM_SyncRef0: return 1; /* MADI */
case HDSPM_SyncRef1+HDSPM_SyncRef0:
hdspm->control_register |= HDSPM_SyncRef0;
HDSPM_SyncRef1+HDSPM_SyncRef0;
HDSPM_SyncRef2+HDSPM_SyncRef0;
HDSPM_SyncRef2+HDSPM_SyncRef1+HDSPM_SyncRef0;
HDSPM_SyncRef3+HDSPM_SyncRef0;
hdspm->control_register |= HDSPM_SyncRef0;
HDSPM_SyncRef0+HDSPM_SyncRef1;
hdspm->control_register |= HDSPM_SyncRef0;
HDSPM_SyncRef0+HDSPM_SyncRef1;
#define HDSPM_SyncRefMask (HDSPM_SyncRef0|HDSPM_SyncRef1|\
HDSPM_SyncRef0 | /* AES1 is syncclock */