[PATCH] ASoC: samsung: Use iio_get_channel_type() accessor.

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From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

struct iio_chan_spec is meant to be opaque to IIO consumer drivers
which should only use the interfaces in linux/iio/consumer.h.
Use the provided accessor function to find get the type of the
channel instead of directly reading it form the structure.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
---
 sound/soc/samsung/aries_wm8994.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/soc/samsung/aries_wm8994.c b/sound/soc/samsung/aries_wm8994.c
index e7d52d27132e..0fbbf3b02c09 100644
--- a/sound/soc/samsung/aries_wm8994.c
+++ b/sound/soc/samsung/aries_wm8994.c
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 #include <linux/extcon.h>
 #include <linux/iio/consumer.h>
-#include <linux/iio/iio.h>
 #include <linux/input-event-codes.h>
 #include <linux/mfd/wm8994/registers.h>
 #include <linux/module.h>
@@ -543,6 +542,7 @@ static int aries_audio_probe(struct platform_device *pdev)
 	struct aries_wm8994_data *priv;
 	struct snd_soc_dai_link *dai_link;
 	const struct of_device_id *match;
+	enum iio_chan_type channel_type;
 	int ret, i;
 
 	if (!np)
@@ -594,7 +594,11 @@ static int aries_audio_probe(struct platform_device *pdev)
 		return dev_err_probe(dev, PTR_ERR(priv->adc),
 				     "Failed to get ADC channel");
 
-	if (priv->adc->channel->type != IIO_VOLTAGE)
+	ret = iio_get_channel_type(priv->adc, &channel_type);
+	if (ret)
+		return dev_err_probe(dev, ret,
+				     "Failed to get ADC channel type");
+	if (channel_type != IIO_VOLTAGE)
 		return -EINVAL;
 
 	priv->gpio_headset_key = devm_gpiod_get(dev, "headset-key",
-- 
2.37.2




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