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Diffstat (limited to 'drivers/staging/iio/iio.h')
-rw-r--r--drivers/staging/iio/iio.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h
index 38f1425f4645..7a6ce4d0fb7b 100644
--- a/drivers/staging/iio/iio.h
+++ b/drivers/staging/iio/iio.h
@@ -30,6 +30,7 @@
enum iio_chan_type {
/* real channel types */
IIO_IN,
+ IIO_OUT,
IIO_CURRENT,
IIO_POWER,
IIO_ACCEL,
@@ -202,6 +203,9 @@ static inline s64 iio_get_time_ns(void)
* call to iio_device_register. */
#define IIO_VAL_INT 1
#define IIO_VAL_INT_PLUS_MICRO 2
+#define IIO_VAL_INT_PLUS_NANO 3
+
+struct iio_trigger; /* forward declaration */
/**
* struct iio_info - constant information about device
@@ -217,12 +221,17 @@ static inline s64 iio_get_time_ns(void)
* contain the elements making up the returned value.
* @write_raw: function to write a value to the device.
* Parameters are the same as for read_raw.
+ * @write_raw_get_fmt: callback function to query the expected
+ * format/precision. If not set by the driver, write_raw
+ * returns IIO_VAL_INT_PLUS_MICRO.
* @read_event_config: find out if the event is enabled.
* @write_event_config: set if the event is enabled.
* @read_event_value: read a value associated with the event. Meaning
* is event dependant. event_code specifies which event.
* @write_event_value: write the value associate with the event.
* Meaning is event dependent.
+ * @validate_trigger: function to validate the trigger when the
+ * current trigger gets changed.
**/
struct iio_info {
struct module *driver_module;
@@ -242,6 +251,10 @@ struct iio_info {
int val2,
long mask);
+ int (*write_raw_get_fmt)(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ long mask);
+
int (*read_event_config)(struct iio_dev *indio_dev,
int event_code);
@@ -255,6 +268,9 @@ struct iio_info {
int (*write_event_value)(struct iio_dev *indio_dev,
int event_code,
int val);
+ int (*validate_trigger)(struct iio_dev *indio_dev,
+ struct iio_trigger *trig);
+
};
/**