ADMV1014_REG_SPI_CONTROL
ret = __admv1014_spi_update_bits(st, ADMV1014_REG_SPI_CONTROL,
ret = __admv1014_spi_update_bits(st, ADMV1014_REG_SPI_CONTROL,
ret = __admv1014_spi_read(st, ADMV1014_REG_SPI_CONTROL, &chip_id);