diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-11-18 09:50:58 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-11-25 08:50:28 -0200 |
| commit | cd474037c4a9a9c15cab46ff26ceeed1bbda6abb (patch) | |
| tree | 17ce0741bc7879d60ca83c116afdf73254cb35e4 /drivers/media/v4l2-core/videobuf2-core.c | |
| parent | cf227429c74778cc9f8caf734d1f161f8f021915 (diff) | |
| download | op-kernel-dev-cd474037c4a9a9c15cab46ff26ceeed1bbda6abb.zip op-kernel-dev-cd474037c4a9a9c15cab46ff26ceeed1bbda6abb.tar.gz | |
[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 'drivers/media/v4l2-core/videobuf2-core.c')
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-core.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index f2e43de..573f6fb 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -1358,7 +1358,8 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const struct v4l2_buffer *b) void *mem_priv; unsigned int plane; int ret; - int write = !V4L2_TYPE_IS_OUTPUT(q->type); + enum dma_data_direction dma_dir = + V4L2_TYPE_IS_OUTPUT(q->type) ? DMA_TO_DEVICE : DMA_FROM_DEVICE; bool reacquired = vb->planes[0].mem_priv == NULL; memset(planes, 0, sizeof(planes[0]) * vb->num_planes); @@ -1400,7 +1401,7 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const struct v4l2_buffer *b) /* Acquire each plane's memory */ mem_priv = call_ptr_memop(vb, get_userptr, q->alloc_ctx[plane], planes[plane].m.userptr, - planes[plane].length, write); + planes[plane].length, dma_dir); if (IS_ERR_OR_NULL(mem_priv)) { dprintk(1, "failed acquiring userspace " "memory for plane %d\n", plane); @@ -1461,7 +1462,8 @@ static int __qbuf_dmabuf(struct vb2_buffer *vb, const struct v4l2_buffer *b) void *mem_priv; unsigned int plane; int ret; - int write = !V4L2_TYPE_IS_OUTPUT(q->type); + enum dma_data_direction dma_dir = + V4L2_TYPE_IS_OUTPUT(q->type) ? DMA_TO_DEVICE : DMA_FROM_DEVICE; bool reacquired = vb->planes[0].mem_priv == NULL; memset(planes, 0, sizeof(planes[0]) * vb->num_planes); @@ -1509,7 +1511,7 @@ static int __qbuf_dmabuf(struct vb2_buffer *vb, const struct v4l2_buffer *b) /* Acquire each plane's memory */ mem_priv = call_ptr_memop(vb, attach_dmabuf, q->alloc_ctx[plane], - dbuf, planes[plane].length, write); + dbuf, planes[plane].length, dma_dir); if (IS_ERR(mem_priv)) { dprintk(1, "failed to attach dmabuf\n"); ret = PTR_ERR(mem_priv); |
