iio: event: Add missing fields in kernel docs

Fix kernel docs warnings by adding the missing fields,
each with its associated description.

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
index 894d813..b2f63f9 100644 (file)
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -32,6 +32,7 @@
  * @dev_attr_list:     list of event interface sysfs attribute
  * @flags:             file operations related flags including busy flag.
  * @group:             event interface sysfs attribute group
+ * @read_lock:         lock to protect kfifo read operations
  */
 struct iio_event_interface {
        wait_queue_head_t       wait;
@@ -75,6 +76,11 @@ EXPORT_SYMBOL(iio_push_event);
 
 /**
  * iio_event_poll() - poll the event queue to find out if it has data
+ * @filep:     File structure pointer to identify the device
+ * @wait:      Poll table pointer to add the wait queue on
+ *
+ * Return: (POLLIN | POLLRDNORM) if data is available for reading
+ *        or a negative error code on failure
  */
 static unsigned int iio_event_poll(struct file *filep,
                             struct poll_table_struct *wait)