RX8010_EXT 314 drivers/rtc/rtc-rx8010.c extreg = i2c_smbus_read_byte_data(client, RX8010_EXT); RX8010_EXT 319 drivers/rtc/rtc-rx8010.c err = i2c_smbus_write_byte_data(rx8010->client, RX8010_EXT, extreg);