pmbus_set_update
void pmbus_set_update(struct i2c_client *client, u8 reg, bool update);
EXPORT_SYMBOL_NS_GPL(pmbus_set_update, "PMBUS");
pmbus_set_update(client, PMBUS_VOUT_OV_FAULT_LIMIT, true);
pmbus_set_update(client, PMBUS_VOUT_UV_FAULT_LIMIT, true);