V_chd_qthresh
if (qdly < V_chd_qthresh) {
(V_chd_qthresh - V_chd_qmin)) *
if (qdly > V_chd_qthresh) {
(maxqdly - V_chd_qthresh)) *
if (!IN_RECOVERY(CCV(ccv, t_flags)) && qdly > V_chd_qthresh) {
new = V_chd_qthresh;
V_chd_qthresh = new;