diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 6ae27cdd3250..2fdeb3247952 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -540,6 +540,14 @@ static int ad7124_append_status(struct ad_sigma_delta *sd, bool append)
 	return 0;
 }
 
+static int ad7124_disable_one(struct ad_sigma_delta *sd, unsigned int chan)
+{
+	struct ad7124_state *st = container_of(sd, struct ad7124_state, sd);
+
+	/* The relevant thing here is that AD7124_CHANNEL_EN_MSK is cleared. */
+	return ad_sd_write_reg(&st->sd, AD7124_CHANNEL(chan), 2, 0);
+}
+
 static int ad7124_disable_all(struct ad_sigma_delta *sd)
 {
 	struct ad7124_state *st = container_of(sd, struct ad7124_state, sd);
@@ -547,7 +555,7 @@ static int ad7124_disable_all(struct ad_sigma_delta *sd)
 	int i;
 
 	for (i = 0; i < st->num_channels; i++) {
-		ret = ad7124_spi_write_mask(st, AD7124_CHANNEL(i), AD7124_CHANNEL_EN_MSK, 0, 2);
+		ret = ad7124_disable_one(sd, i);
 		if (ret < 0)
 			return ret;
 	}
@@ -555,13 +563,6 @@ static int ad7124_disable_all(struct ad_sigma_delta *sd)
 	return 0;
 }
 
-static int ad7124_disable_one(struct ad_sigma_delta *sd, unsigned int chan)
-{
-	struct ad7124_state *st = container_of(sd, struct ad7124_state, sd);
-
-	return ad7124_spi_write_mask(st, AD7124_CHANNEL(chan), AD7124_CHANNEL_EN_MSK, 0, 2);
-}
-
 static const struct ad_sigma_delta_info ad7124_sigma_delta_info = {
 	.set_channel = ad7124_set_channel,
 	.append_status = ad7124_append_status,