ad9523_read
ret = ad9523_read(indio_dev, AD9523_PLL1_OUTPUT_CHANNEL_CTRL);
ret = ad9523_read(indio_dev, AD9523_PLL1_OUTPUT_CTRL);
ret = ad9523_read(indio_dev, AD9523_PLL1_OUTPUT_CHANNEL_CTRL);
ret = ad9523_read(indio_dev,
ret = ad9523_read(indio_dev, AD9523_EEPROM_ERROR_READBACK);
ret = ad9523_read(indio_dev, AD9523_STATUS_SIGNALS);
ret = ad9523_read(indio_dev, AD9523_READBACK_0);
ret = ad9523_read(indio_dev, AD9523_CHANNEL_CLOCK_DIST(chan->channel));
ret = ad9523_read(indio_dev, AD9523_CHANNEL_CLOCK_DIST(chan->channel));
ret = ad9523_read(indio_dev, reg | AD9523_R1B);