HDSPE_CHANBUF_SAMPLES
dma[slot * HDSPE_CHANBUF_SAMPLES + pos] =
pos = (pos + 1) % HDSPE_CHANBUF_SAMPLES;
dma += slot_offset * HDSPE_CHANBUF_SAMPLES;
dma[slot * HDSPE_CHANBUF_SAMPLES + pos];
pos = (pos + 1) % HDSPE_CHANBUF_SAMPLES;
dma += slot_offset * HDSPE_CHANBUF_SAMPLES;
bzero(buf + offset * HDSPE_CHANBUF_SAMPLES,
#define HDSPE_CHANBUF_SIZE (4 * HDSPE_CHANBUF_SAMPLES)