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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2018-06-01 17:03:13 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-08-31 17:17:31 +0200 |
| commit | 8e013700bc12806d80f31ebe360916987f0e03df (patch) | |
| tree | 08f72f21ff13afaef584c4de98c28efcfb7add61 /drivers/media | |
| parent | media: videodev2.h: Add request_fd field to v4l2_buffer (diff) | |
| download | linux-8e013700bc12806d80f31ebe360916987f0e03df.tar.xz linux-8e013700bc12806d80f31ebe360916987f0e03df.zip | |
media: vb2: add init_buffer buffer op
We need to initialize the request_fd field in struct vb2_v4l2_buffer
to -1 instead of the default of 0. So we need to add a new op that
is called when struct vb2_v4l2_buffer is allocated.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/common/videobuf2/videobuf2-core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index eead693ba619..230f83d6d094 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -356,6 +356,8 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory, vb->planes[plane].length = plane_sizes[plane]; vb->planes[plane].min_length = plane_sizes[plane]; } + call_void_bufop(q, init_buffer, vb); + q->bufs[vb->index] = vb; /* Allocate video buffer memory for the MMAP type */ |