RX8900_BACKUP_CTRL  501 drivers/rtc/rtc-rv8803.c 	err = i2c_smbus_read_byte_data(rv8803->client, RX8900_BACKUP_CTRL);
RX8900_BACKUP_CTRL  513 drivers/rtc/rtc-rv8803.c 	return i2c_smbus_write_byte_data(rv8803->client, RX8900_BACKUP_CTRL,