linux-kernel - [PATCH v2 07/10] iio: adc: ad7606: don't use address field

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Message-Id: <20250318-iio-adc-ad7606-improvements-v2-7-4b605427774c@baylibre.com>
Date: Tue, 18 Mar 2025 17:52:15 -0500
From: David Lechner <dlechner@...libre.com>
To: Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org
Cc: Michael Hennerich <Michael.Hennerich@...log.com>, 
 Angelo Dureghello <adureghello@...libre.com>, 
 Alexandru Ardelean <aardelean@...libre.com>, 
 Beniamin Bia <beniamin.bia@...log.com>, 
 Stefan Popa <stefan.popa@...log.com>, linux-kernel@...r.kernel.org, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <nuno.sa@...log.com>
Subject: [PATCH v2 07/10] iio: adc: ad7606: don't use address field

Drop use of the address field in the ad7606 driver. This field was
duplicating the same info that was already in the channel and scan_index
fields. This is one less thing to have to hold in your mind when reading
the code.

Reviewed-by: Nuno Sá <nuno.sa@...log.com>
Signed-off-by: David Lechner <dlechner@...libre.com>
---
 drivers/iio/adc/ad7606.c | 8 ++++----
 drivers/iio/adc/ad7606.h | 1 -
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
index b81591d8bc520c730e1632bd15eb1eddb5a59c90..3f03d4b7c2ceed5f7a134189c283ce392167b111 100644
--- a/drivers/iio/adc/ad7606.c
+++ b/drivers/iio/adc/ad7606.c
@@ -776,14 +776,14 @@ static int ad7606_read_raw(struct iio_dev *indio_dev,
 	case IIO_CHAN_INFO_RAW:
 		if (!iio_device_claim_direct(indio_dev))
 			return -EBUSY;
-		ret = ad7606_scan_direct(indio_dev, chan->address, val);
+		ret = ad7606_scan_direct(indio_dev, chan->scan_index, val);
 		iio_device_release_direct(indio_dev);
 		if (ret < 0)
 			return ret;
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_SCALE:
 		if (st->sw_mode_en)
-			ch = chan->address;
+			ch = chan->scan_index;
 		cs = &st->chan_scales[ch];
 		*val = cs->scale_avail[cs->range][0];
 		*val2 = cs->scale_avail[cs->range][1];
@@ -865,7 +865,7 @@ static int ad7606_write_raw(struct iio_dev *indio_dev,
 	switch (mask) {
 	case IIO_CHAN_INFO_SCALE:
 		if (st->sw_mode_en)
-			ch = chan->address;
+			ch = chan->scan_index;
 		cs = &st->chan_scales[ch];
 		for (i = 0; i < cs->num_scales; i++) {
 			scale_avail_uv[i] = cs->scale_avail[i][0] * MICRO +
@@ -1072,7 +1072,7 @@ static int ad7606_read_avail(struct iio_dev *indio_dev,
 
 	case IIO_CHAN_INFO_SCALE:
 		if (st->sw_mode_en)
-			ch = chan->address;
+			ch = chan->scan_index;
 
 		cs = &st->chan_scales[ch];
 		*vals = (int *)cs->scale_avail;
diff --git a/drivers/iio/adc/ad7606.h b/drivers/iio/adc/ad7606.h
index 5ee04e8f4041c75d66b899a9371a75b5d0f31071..16a230a7c00e3504744b97da339cdea6b8ecf40f 100644
--- a/drivers/iio/adc/ad7606.h
+++ b/drivers/iio/adc/ad7606.h
@@ -45,7 +45,6 @@
 		.type = IIO_VOLTAGE,				\
 		.indexed = 1,					\
 		.channel = num,					\
-		.address = num,					\
 		.info_mask_separate = mask_sep,			\
 		.info_mask_separate_available =			\
 			mask_sep_avail,				\

-- 
2.43.0