WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK
mask |= WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
config &= WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);