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Diffstat (limited to 'include/linux/iio/buffer_impl.h')
-rw-r--r--include/linux/iio/buffer_impl.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/iio/buffer_impl.h b/include/linux/iio/buffer_impl.h
index e72552e026f3..8d770ced66b2 100644
--- a/include/linux/iio/buffer_impl.h
+++ b/include/linux/iio/buffer_impl.h
@@ -50,6 +50,7 @@ struct sg_table;
* @enqueue_dmabuf: called from userspace via ioctl to queue this DMABUF
* object to this buffer. Requires a valid DMABUF fd, that
* was previouly attached to this buffer.
+ * @get_dma_dev: called to get the DMA channel associated with this buffer.
* @lock_queue: called when the core needs to lock the buffer queue;
* it is used when enqueueing DMABUF objects.
* @unlock_queue: used to unlock a previously locked buffer queue
@@ -90,6 +91,7 @@ struct iio_buffer_access_funcs {
struct iio_dma_buffer_block *block,
struct dma_fence *fence, struct sg_table *sgt,
size_t size, bool cyclic);
+ struct device * (*get_dma_dev)(struct iio_buffer *buffer);
void (*lock_queue)(struct iio_buffer *buffer);
void (*unlock_queue)(struct iio_buffer *buffer);