DA311_REG_BANK 108 drivers/iio/accel/da311.c ret = i2c_smbus_write_byte_data(client, DA311_REG_BANK, 0x01); DA311_REG_BANK 128 drivers/iio/accel/da311.c ret = i2c_smbus_write_byte_data(client, DA311_REG_BANK, 0x00);