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-rw-r--r--include/media/videobuf2-core.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 108fa160168a..128b15ad5497 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -36,6 +36,8 @@ struct vb2_threadio_data;
* no other users of this buffer are present); the buf_priv
* argument is the allocator private per-buffer structure
* previously returned from the alloc callback.
+ * @get_dmabuf: acquire userspace memory for a hardware operation; used for
+ * DMABUF memory types.
* @get_userptr: acquire userspace memory for a hardware operation; used for
* USERPTR memory types; vaddr is the address passed to the
* videobuf layer when queuing a video buffer of USERPTR type;
@@ -118,7 +120,7 @@ struct vb2_mem_ops {
* @dbuf_mapped: flag to show whether dbuf is mapped or not
* @bytesused: number of bytes occupied by data in the plane (payload)
* @length: size of this plane (NOT the payload) in bytes
- * @mem_offset: when memory in the associated struct vb2_buffer is
+ * @offset: when memory in the associated struct vb2_buffer is
* VB2_MEMORY_MMAP, equals the offset from the start of
* the device memory for this plane (or is a "cookie" that
* should be passed to mmap() called on the video node)
@@ -126,6 +128,8 @@ struct vb2_mem_ops {
* pointing to this plane
* @fd: when memory is VB2_MEMORY_DMABUF, a userspace file
* descriptor associated with this plane
+ * @m: Union with memtype-specific data (@offset, @userptr or
+ * @fd).
* @data_offset: offset in the plane to the start of data; usually 0,
* unless there is a header in front of the data
* Should contain enough information to be able to cover all the fields

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