1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/iio/iio_core_trigger.h b/drivers/iio/iio_core_trigger.h
new file mode 100644
index 000000000..e1a56824e
--- /dev/null
+++ b/drivers/iio/iio_core_trigger.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* The industrial I/O core, trigger consumer handling functions
+ *
+ * Copyright (c) 2008 Jonathan Cameron
+ */
+
+#ifdef CONFIG_IIO_TRIGGER
+/**
+ * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
+ * @indio_dev: iio_dev associated with the device that will consume the trigger
+ *
+ * Return 0 if successful, negative otherwise
+ **/
+int iio_device_register_trigger_consumer(struct iio_dev *indio_dev);
+
+/**
+ * iio_device_unregister_trigger_consumer() - reverse the registration process
+ * @indio_dev: iio_dev associated with the device that consumed the trigger
+ **/
+void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev);
+
+
+int iio_trigger_attach_poll_func(struct iio_trigger *trig,
+				 struct iio_poll_func *pf);
+int iio_trigger_detach_poll_func(struct iio_trigger *trig,
+				 struct iio_poll_func *pf);
+
+#else
+
+/**
+ * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
+ * @indio_dev: iio_dev associated with the device that will consume the trigger
+ **/
+static inline int iio_device_register_trigger_consumer(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+/**
+ * iio_device_unregister_trigger_consumer() - reverse the registration process
+ * @indio_dev: iio_dev associated with the device that consumed the trigger
+ **/
+static inline void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
+{
+}
+
+static inline int iio_trigger_attach_poll_func(struct iio_trigger *trig,
+					       struct iio_poll_func *pf)
+{
+	return 0;
+}
+static inline int iio_trigger_detach_poll_func(struct iio_trigger *trig,
+					       struct iio_poll_func *pf)
+{
+	return 0;
+}
+
+#endif /* CONFIG_TRIGGER_CONSUMER */