trip_change
enabled_ops[THERMAL_GENL_EVENT_TZ_TRIP_CHANGE] = !!ops->trip_change;
return ops->trip_change(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]),
int (*trip_change)(int tz_id, int trip_id, int type, int temp, int hyst, void *arg);
.events.trip_change = trip_change,