rps_set_check
*freq = rps_set_check(rps, *freq);
if (rps_set_check(rps, rps->min_freq) != rps->min_freq) {
if (rps_set_check(rps, f) < f)
limit = rps_set_check(rps, f);
if (rps_set_check(rps, rps->min_freq) != rps->min_freq) {
max = rps_set_check(rps, limit);
min = rps_set_check(rps, rps->min_freq);
*freq = rps_set_check(rps, *freq);
*freq = rps_set_check(rps, *freq);
rps_set_check(rps, rps->min_freq);
rps_set_check(rps, rps->max_freq);