From: Nuno Sa <nuno.sa@analog.com>
Date: Fri, 2 Aug 2024 14:27:02 +0000 (+0200)
Subject: iio: adc: adi-axi-adc: support modified prbs23
X-Git-Tag: v6.12-rc1~39^2~37^2~51
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=53d7a77dac2534e179eb6b9954877de2ffc44e07;p=thirdparty%2Fkernel%2Flinux.git

iio: adc: adi-axi-adc: support modified prbs23

Add support for configuring the prbs23 sequence.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240802-dev-iio-backend-add-debugfs-v2-4-4cb62852f0d0@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c
index 0a9d7433da304..f4cdfcca865d5 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;
 	}