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authorHans Verkuil <hans.verkuil@cisco.com>2014-11-18 09:50:58 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-11-25 08:50:28 -0200
commitcd474037c4a9a9c15cab46ff26ceeed1bbda6abb (patch)
tree17ce0741bc7879d60ca83c116afdf73254cb35e4 /include/media
parent[media] videobuf2-core.h: improve documentation (diff)
downloadlinux-dev-cd474037c4a9a9c15cab46ff26ceeed1bbda6abb.tar.xz
linux-dev-cd474037c4a9a9c15cab46ff26ceeed1bbda6abb.zip
[media] vb2: replace 'write' by 'dma_dir'
The 'write' argument is very ambiguous. I first assumed that if it is 1, then we're doing video output but instead it meant the reverse. Since it is used to setup the dma_dir value anyway it is now replaced by the correct dma_dir value which is unambiguous. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Pawel Osciak <pawel@osciak.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/videobuf2-core.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 70ace7cc6087..d607871749c7 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -87,14 +87,16 @@ struct vb2_mem_ops {
struct dma_buf *(*get_dmabuf)(void *buf_priv, unsigned long flags);
void *(*get_userptr)(void *alloc_ctx, unsigned long vaddr,
- unsigned long size, int write);
+ unsigned long size,
+ enum dma_data_direction dma_dir);
void (*put_userptr)(void *buf_priv);
void (*prepare)(void *buf_priv);
void (*finish)(void *buf_priv);
void *(*attach_dmabuf)(void *alloc_ctx, struct dma_buf *dbuf,
- unsigned long size, int write);
+ unsigned long size,
+ enum dma_data_direction dma_dir);
void (*detach_dmabuf)(void *buf_priv);
int (*map_dmabuf)(void *buf_priv);
void (*unmap_dmabuf)(void *buf_priv);