[PATCH v2 4/8] iio: adc: adi-axi-adc: support modified prbs23

[Nuno Sa via B4 Relay <devnull+nuno.sa.analog.com@xxxxxxxxxx>]

From: Nuno Sa <nuno.sa@xxxxxxxxxx>

Add support for configuring the prbs23 sequence.

Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
---
 drivers/iio/adc/adi-axi-adc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c
index 0a9d7433da30..f4cdfcca865d 100644
--- a/drivers/iio/adc/adi-axi-adc.c
+++ b/drivers/iio/adc/adi-axi-adc.c
@@ -199,6 +199,10 @@ static int axi_adc_test_pattern_set(struct iio_backend *back,
 		return regmap_update_bits(st->regmap, ADI_AXI_ADC_REG_CHAN_CTRL_3(chan),
 					  ADI_AXI_ADC_CHAN_PN_SEL_MASK,
 					  FIELD_PREP(ADI_AXI_ADC_CHAN_PN_SEL_MASK, 0));
+	case IIO_BACKEND_ADI_PRBS_23A:
+		return regmap_update_bits(st->regmap, ADI_AXI_ADC_REG_CHAN_CTRL_3(chan),
+					  ADI_AXI_ADC_CHAN_PN_SEL_MASK,
+					  FIELD_PREP(ADI_AXI_ADC_CHAN_PN_SEL_MASK, 1));
 	default:
 		return -EINVAL;
 	}

-- 
2.45.2