SDR_CAP_SAMPLES_PER_BUF
dev->sdr_buffersize = SDR_CAP_SAMPLES_PER_BUF * 2;
(HZ * SDR_CAP_SAMPLES_PER_BUF) / 2;
do_div(buffers_since_start, HZ * SDR_CAP_SAMPLES_PER_BUF);
samples_since_start = buffers_since_start * SDR_CAP_SAMPLES_PER_BUF;
samples_since_start += SDR_CAP_SAMPLES_PER_BUF;
u32 size = SDR_CAP_SAMPLES_PER_BUF * 2;
unsigned size = SDR_CAP_SAMPLES_PER_BUF * 2;
.buffersize = SDR_CAP_SAMPLES_PER_BUF * 2,
.buffersize = SDR_CAP_SAMPLES_PER_BUF * 2,