---

yaml --- r: 289177 b: refs/heads/master c: 0f1acee h: refs/heads/master i: 289175: 81ef362 v: v3
git-mirror · Mar 3, 2012 · 87b0bad · 87b0bad
1 parent 4ff6e6b
commit 87b0bad
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e553f182d55bd268fea3f106368e2344141c212a
+refs/heads/master: 0f1acee5f5e2ceaef3244dc4c1f3895b907669cd
diff --git a/trunk/drivers/staging/iio/industrialio-core.c b/trunk/drivers/staging/iio/industrialio-core.c
@@ -854,6 +854,8 @@ static const struct file_operations iio_buffer_fileops = {
 	.compat_ioctl = iio_ioctl,
 };
 
+static const struct iio_buffer_setup_ops noop_ring_setup_ops;
+
 int iio_device_register(struct iio_dev *indio_dev)
 {
 	int ret;
@@ -882,6 +884,10 @@ int iio_device_register(struct iio_dev *indio_dev)
 	if (indio_dev->modes & INDIO_BUFFER_TRIGGERED)
 		iio_device_register_trigger_consumer(indio_dev);
 
+	if ((indio_dev->modes & INDIO_ALL_BUFFER_MODES) &&
+		indio_dev->setup_ops == NULL)
+		indio_dev->setup_ops = &noop_ring_setup_ops;
+
 	ret = device_add(&indio_dev->dev);
 	if (ret < 0)
 		goto error_unreg_eventset;