linux-kernel - [PATCH v5 09/10] iio: accel: adxl345: prepare channel for scan

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Message-Id: <20241205171343.308963-10-l.rubusch@gmail.com>
Date: Thu,  5 Dec 2024 17:13:42 +0000
From: Lothar Rubusch <l.rubusch@...il.com>
To: lars@...afoo.de,
	Michael.Hennerich@...log.com,
	jic23@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: devicetree@...r.kernel.org,
	linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	eraretuya@...il.com,
	l.rubusch@...il.com
Subject: [PATCH v5 09/10] iio: accel: adxl345: prepare channel for scan_index

Add separate fields for register and index to the channel definition.
The scan_index is set up with the kfifo in the follow up patches.

Signed-off-by: Lothar Rubusch <l.rubusch@...il.com>
---
 drivers/iio/accel/adxl345_core.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index 0696e908bdf..3067a70c54e 100644
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -26,21 +26,26 @@ struct adxl345_state {
 	u8 intio;
 };
 
-#define ADXL345_CHANNEL(index, axis) {					\
+#define ADXL345_CHANNEL(index, reg, axis) {					\
 	.type = IIO_ACCEL,						\
 	.modified = 1,							\
 	.channel2 = IIO_MOD_##axis,					\
-	.address = index,						\
+	.address = (reg),						\
 	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |			\
 		BIT(IIO_CHAN_INFO_CALIBBIAS),				\
 	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) |		\
 		BIT(IIO_CHAN_INFO_SAMP_FREQ),				\
+	.scan_index = (index),				\
 }
 
+enum adxl345_chans {
+	chan_x, chan_y, chan_z,
+};
+
 static const struct iio_chan_spec adxl345_channels[] = {
-	ADXL345_CHANNEL(0, X),
-	ADXL345_CHANNEL(1, Y),
-	ADXL345_CHANNEL(2, Z),
+	ADXL345_CHANNEL(0, chan_x, X),
+	ADXL345_CHANNEL(1, chan_y, Y),
+	ADXL345_CHANNEL(2, chan_z, Z),
 };
 
 static int adxl345_read_raw(struct iio_dev *indio_dev,
-- 
2.39.2