staging:iio:adc:ad7298 unwind use of IIO_CHAN macro.

This macro is being removed to simplify ongoing maintenance
so we need to unwind and remaining users.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/adc/ad7298_core.c

@@ -22,34 +22,43 @@
 
 #include "ad7298.h"
 
+#define AD7298_V_CHAN(index)						\
+	{								\
+		.type = IIO_VOLTAGE,					\
+		.indexed = 1,						\
+		.channel = index,					\
+		.info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT,		\
+		.address = index,					\
+		.scan_index = index,					\
+		.scan_type = {						\
+			.sign = 'u',					\
+			.realbits = 12,					\
+			.storagebits = 16,				\
+		},							\
+	}
+
 static struct iio_chan_spec ad7298_channels[] = {
-	IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0,
-		 IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
-		 9, AD7298_CH_TEMP, IIO_ST('s', 32, 32, 0), 0),
-	IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 0, 0,
-		 IIO_CHAN_INFO_SCALE_SHARED_BIT,
-		 0, 0, IIO_ST('u', 12, 16, 0), 0),
-	IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 1, 0,
-		 IIO_CHAN_INFO_SCALE_SHARED_BIT,
-		 1, 1, IIO_ST('u', 12, 16, 0), 0),
-	IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 2, 0,
-		 IIO_CHAN_INFO_SCALE_SHARED_BIT,
-		 2, 2, IIO_ST('u', 12, 16, 0), 0),
-	IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 3, 0,
-		 IIO_CHAN_INFO_SCALE_SHARED_BIT,
-		 3, 3, IIO_ST('u', 12, 16, 0), 0),
-	IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 4, 0,
-		 IIO_CHAN_INFO_SCALE_SHARED_BIT,
-		 4, 4, IIO_ST('u', 12, 16, 0), 0),
-	IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 5, 0,
-		 IIO_CHAN_INFO_SCALE_SHARED_BIT,
-		 5, 5, IIO_ST('u', 12, 16, 0), 0),
-	IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 6, 0,
-		 IIO_CHAN_INFO_SCALE_SHARED_BIT,
-		 6, 6, IIO_ST('u', 12, 16, 0), 0),
-	IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, NULL, 7, 0,
-		 IIO_CHAN_INFO_SCALE_SHARED_BIT,
-		 7, 7, IIO_ST('u', 12, 16, 0), 0),
+	{
+		.type = IIO_TEMP,
+		.indexed = 1,
+		.channel = 0,
+		.info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
+		.address = 9,
+		.scan_index = AD7298_CH_TEMP,
+		.scan_type = {
+			.sign = 's',
+			.realbits = 32,
+			.storagebits = 32,
+		},
+	},
+	AD7298_V_CHAN(0),
+	AD7298_V_CHAN(1),
+	AD7298_V_CHAN(2),
+	AD7298_V_CHAN(3),
+	AD7298_V_CHAN(4),
+	AD7298_V_CHAN(5),
+	AD7298_V_CHAN(6),
+	AD7298_V_CHAN(7),
 	IIO_CHAN_SOFT_TIMESTAMP(8),
 };