PL_EBUF_ERR
if (cmd & PL_EBUF_ERR) { /* elastic buff. det. over-|underflow*/
corr_mask = (plc_imsk_na & ~PL_EBUF_ERR) ;
PL_PCM_ENABLED | PL_SELF_TEST | PL_EBUF_ERR;
PL_PCM_ENABLED | PL_SELF_TEST | PL_EBUF_ERR;