AD7124_ADC_CONTROL
ret = ad_sd_write_reg(&st->sd, AD7124_ADC_CONTROL, 2, st->adc_control);
return ad_sd_write_reg(&st->sd, AD7124_ADC_CONTROL, 2, st->adc_control);
ret = ad_sd_write_reg(&st->sd, AD7124_ADC_CONTROL, 2, adc_control);