staging: iio: isl29018: use IIO_DEVICE_ATTR_{RO, RW} macros

Use the IIO_DEVICE_ATTR_RO and IIO_DEVICE_ATTR_RW macros to
create the device attributes.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/staging/iio/light/isl29018.c

@@ -268,8 +268,9 @@ static int isl29018_read_proximity_ir(struct isl29018_chip *chip, int scheme,
 	return 0;
 }
 
-static ssize_t isl29018_show_scale_available(struct device *dev,
-				    struct device_attribute *attr, char *buf)
+static ssize_t in_illuminance_scale_available_show
+			(struct device *dev, struct device_attribute *attr,
+			 char *buf)
 {
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct isl29018_chip *chip = iio_priv(indio_dev);
@@ -286,8 +287,9 @@ static ssize_t isl29018_show_scale_available(struct device *dev,
 	return len;
 }
 
-static ssize_t isl29018_show_int_time_available(struct device *dev,
-				       struct device_attribute *attr, char *buf)
+static ssize_t in_illuminance_integration_time_available_show
+			(struct device *dev, struct device_attribute *attr,
+			 char *buf)
 {
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct isl29018_chip *chip = iio_priv(indio_dev);
@@ -303,8 +305,8 @@ static ssize_t isl29018_show_int_time_available(struct device *dev,
 	return len;
 }
 
-static ssize_t isl29018_show_prox_infrared_suppression(struct device *dev,
-					      struct device_attribute *attr,
+static ssize_t proximity_on_chip_ambient_infrared_suppression_show
+			(struct device *dev, struct device_attribute *attr,
 			 char *buf)
 {
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
@@ -317,8 +319,8 @@ static ssize_t isl29018_show_prox_infrared_suppression(struct device *dev,
 	return sprintf(buf, "%d\n", chip->prox_scheme);
 }
 
-static ssize_t isl29018_store_prox_infrared_suppression(struct device *dev,
-					       struct device_attribute *attr,
+static ssize_t proximity_on_chip_ambient_infrared_suppression_store
+			(struct device *dev, struct device_attribute *attr,
 			 const char *buf, size_t count)
 {
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
@@ -471,14 +473,9 @@ static const struct iio_chan_spec isl29023_channels[] = {
 	ISL29018_IR_CHANNEL,
 };
 
-static IIO_DEVICE_ATTR(in_illuminance_integration_time_available, S_IRUGO,
-		       isl29018_show_int_time_available, NULL, 0);
-static IIO_DEVICE_ATTR(in_illuminance_scale_available, S_IRUGO,
-		      isl29018_show_scale_available, NULL, 0);
-static IIO_DEVICE_ATTR(proximity_on_chip_ambient_infrared_suppression,
-					S_IRUGO | S_IWUSR,
-					isl29018_show_prox_infrared_suppression,
-					isl29018_store_prox_infrared_suppression, 0);
+static IIO_DEVICE_ATTR_RO(in_illuminance_integration_time_available, 0);
+static IIO_DEVICE_ATTR_RO(in_illuminance_scale_available, 0);
+static IIO_DEVICE_ATTR_RW(proximity_on_chip_ambient_infrared_suppression, 0);
 
 #define ISL29018_DEV_ATTR(name) (&iio_dev_attr_##name.dev_attr.attr)