adm1275_write_samples
ret = adm1275_write_samples(data, client, true, ilog2(word));
ret = adm1275_write_samples(data, client, false, ilog2(word));
ret = adm1275_write_samples(data, client, true, ilog2(avg));
ret = adm1275_write_samples(data, client, false, ilog2(avg));