diff options
| -rw-r--r-- | drivers/staging/iio/industrialio-core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index 868e3667200..27695dffb17 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/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; |