iio: Make IIO value formating function globally available.

Make IIO value formating function globally available to allow IIO drivers
to output values as the core does.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

2 files changed, 3 insertions, 0 deletions

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index d0a84febd435..a45eb2c53d0f 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -470,6 +470,7 @@ ssize_t iio_format_value(char *buf, unsigned int type, int size, int *vals)
                 return 0;
         }
 }
+EXPORT_SYMBOL_GPL(iio_format_value);
 
 static ssize_t iio_read_channel_info(struct device *dev,
                                      struct device_attribute *attr,
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 19c94c9acc81..b5894118755f 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -636,6 +636,8 @@ static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev)
 }
 #endif
 
+ssize_t iio_format_value(char *buf, unsigned int type, int size, int *vals);
+
 int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer,
         int *fract);