adxrs450_spi_read_reg_16
ret = adxrs450_spi_read_reg_16(indio_dev, ADXRS450_FAULT1, &data);
ret = adxrs450_spi_read_reg_16(indio_dev,
ret = adxrs450_spi_read_reg_16(indio_dev, ADXRS450_QUAD1, &t);
ret = adxrs450_spi_read_reg_16(indio_dev, ADXRS450_DNC1, &t);