[PATCH v3 3/8] iio: adc: ad7606: split a 'ad7606_sw_mode_setup()' from probe

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This change moves the logic for setting up SW mode (during probe) into it's
own function.

With the addition of some newer parts, the SW-mode part can get a little
more complicated.
So it's a bit better to have a separate function for this.

Signed-off-by: Alexandru Ardelean <aardelean@xxxxxxxxxxxx>
---
 drivers/iio/adc/ad7606.c | 43 ++++++++++++++++++++++++----------------
 1 file changed, 26 insertions(+), 17 deletions(-)

diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
index 5049e37f8393..b400c9b2519d 100644
--- a/drivers/iio/adc/ad7606.c
+++ b/drivers/iio/adc/ad7606.c
@@ -545,6 +545,29 @@ static const struct iio_trigger_ops ad7606_trigger_ops = {
 	.validate_device = iio_trigger_validate_own_device,
 };
 
+static int ad7606_sw_mode_setup(struct iio_dev *indio_dev)
+{
+	struct ad7606_state *st = iio_priv(indio_dev);
+
+	if (!st->bops->sw_mode_config)
+		return 0;
+
+	st->sw_mode_en = device_property_present(st->dev, "adi,sw-mode");
+	if (!st->sw_mode_en)
+		return 0;
+
+	indio_dev->info = &ad7606_info_os_range_and_debug;
+
+	/* Scale of 0.076293 is only available in sw mode */
+	st->scale_avail = ad7616_sw_scale_avail;
+	st->num_scales = ARRAY_SIZE(ad7616_sw_scale_avail);
+
+	/* After reset, in software mode, ±10 V is set by default */
+	memset32(st->range, 2, ARRAY_SIZE(st->range));
+
+	return st->bops->sw_mode_config(indio_dev);
+}
+
 int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
 		 const char *name, unsigned int id,
 		 const struct ad7606_bus_ops *bops)
@@ -617,23 +640,9 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
 	st->write_scale = ad7606_write_scale_hw;
 	st->write_os = ad7606_write_os_hw;
 
-	if (st->bops->sw_mode_config)
-		st->sw_mode_en = device_property_present(st->dev,
-							 "adi,sw-mode");
-
-	if (st->sw_mode_en) {
-		/* Scale of 0.076293 is only available in sw mode */
-		st->scale_avail = ad7616_sw_scale_avail;
-		st->num_scales = ARRAY_SIZE(ad7616_sw_scale_avail);
-
-		/* After reset, in software mode, ±10 V is set by default */
-		memset32(st->range, 2, ARRAY_SIZE(st->range));
-		indio_dev->info = &ad7606_info_os_range_and_debug;
-
-		ret = st->bops->sw_mode_config(indio_dev);
-		if (ret < 0)
-			return ret;
-	}
+	ret = ad7606_sw_mode_setup(indio_dev);
+	if (ret)
+		return ret;
 
 	st->trig = devm_iio_trigger_alloc(dev, "%s-dev%d",
 					  indio_dev->name,
-- 
2.46.0





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