summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/iio/iio.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 15dc6bc2bdd2..3642ce7ef512 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -13,6 +13,7 @@
#include <linux/device.h>
#include <linux/cdev.h>
#include <linux/iio/types.h>
+#include <linux/of.h>
/* IIO TODO LIST */
/*
* Provide means of adjusting timer accuracy.
@@ -326,6 +327,11 @@ struct iio_dev;
* @update_scan_mode: function to configure device and scan buffer when
* channels have changed
* @debugfs_reg_access: function to read or write register value of device
+ * @of_xlate: function pointer to obtain channel specifier index.
+ * When #iio-cells is greater than '0', the driver could
+ * provide a custom of_xlate function that reads the
+ * *args* and returns the appropriate index in registered
+ * IIO channels array.
**/
struct iio_info {
struct module *driver_module;
@@ -385,6 +391,8 @@ struct iio_info {
int (*debugfs_reg_access)(struct iio_dev *indio_dev,
unsigned reg, unsigned writeval,
unsigned *readval);
+ int (*of_xlate)(struct iio_dev *indio_dev,
+ const struct of_phandle_args *iiospec);
};
/**