HDAC_STREAM_SIZE
((index) * HDAC_STREAM_SIZE)
(((controller)->num_input_streams + (index)) * HDAC_STREAM_SIZE)
+ (index)) * HDAC_STREAM_SIZE)
| (1 << (stream->offset / HDAC_STREAM_SIZE)));
& ~(1 << (stream->offset / HDAC_STREAM_SIZE)));