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