WCD_EVENT_PRE_HPHL_PA_OFF
wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_PRE_HPHL_PA_OFF);
wcd_mbhc_event_notify(wcd938x->wcd_mbhc, WCD_EVENT_PRE_HPHL_PA_OFF);
wcd_mbhc_event_notify(wcd939x->wcd_mbhc, WCD_EVENT_PRE_HPHL_PA_OFF);