1 files changed, 26 insertions, 0 deletions

diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h
index 1c9e028e0d4a..4f1154f7a33c 100644
--- a/include/linux/iio/trigger.h
+++ b/include/linux/iio/trigger.h
@@ -56,6 +56,9 @@ struct iio_trigger_ops {
  * @subirqs:		[INTERN] information about the 'child' irqs.
  * @pool:		[INTERN] bitmap of irqs currently in use.
  * @pool_lock:		[INTERN] protection of the irq pool.
+ * @attached_own_device:[INTERN] if we are using our own device as trigger,
+ *			i.e. if we registered a poll function to the same
+ *			device as the one providing the trigger.
  **/
 struct iio_trigger {
 	const struct iio_trigger_ops	*ops;
@@ -73,6 +76,7 @@ struct iio_trigger {
 	struct iio_subirq subirqs[CONFIG_IIO_CONSUMERS_PER_TRIGGER];
 	unsigned long pool[BITS_TO_LONGS(CONFIG_IIO_CONSUMERS_PER_TRIGGER)];
 	struct mutex			pool_lock;
+	bool				attached_own_device;
 };
 
 
@@ -125,12 +129,27 @@ static inline void *iio_trigger_get_drvdata(struct iio_trigger *trig)
  **/
 int iio_trigger_register(struct iio_trigger *trig_info);
 
+int devm_iio_trigger_register(struct device *dev,
+			      struct iio_trigger *trig_info);
+
 /**
  * iio_trigger_unregister() - unregister a trigger from the core
  * @trig_info:	trigger to be unregistered
  **/
 void iio_trigger_unregister(struct iio_trigger *trig_info);
 
+void devm_iio_trigger_unregister(struct device *dev,
+				 struct iio_trigger *trig_info);
+
+/**
+ * iio_trigger_set_immutable() - set an immutable trigger on destination
+ *
+ * @indio_dev - IIO device structure containing the device
+ * @trig - trigger to assign to device
+ *
+ **/
+int iio_trigger_set_immutable(struct iio_dev *indio_dev, struct iio_trigger *trig);
+
 /**
  * iio_trigger_poll() - called on a trigger occurring
  * @trig:	trigger which occurred
@@ -145,6 +164,13 @@ irqreturn_t iio_trigger_generic_data_rdy_poll(int irq, void *private);
 __printf(1, 2) struct iio_trigger *iio_trigger_alloc(const char *fmt, ...);
 void iio_trigger_free(struct iio_trigger *trig);
 
+/**
+ * iio_trigger_using_own() - tells us if we use our own HW trigger ourselves
+ * @indio_dev:  device to check
+ */
+bool iio_trigger_using_own(struct iio_dev *indio_dev);
+
+
 #else
 struct iio_trigger;
 struct iio_trigger_ops;