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[media] v4l: omap4iss: Enable DMABUF support 

Enable DMABUF import and export operations using videobuf2.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Laurent Pinchart 2013-11-14 01:03:10 -03:00 committed by Mauro Carvalho Chehab
parent aadec012ea
commit 3e90f78973
1 changed files with 10 additions and 1 deletions
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11
drivers/staging/media/omap4iss/iss_video.c
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@ -772,6 +772,14 @@ iss_video_qbuf(struct file *file, void *fh, struct v4l2_buffer *b)
return vb2_qbuf(&vfh->queue, b);
}
static int
iss_video_expbuf(struct file *file, void *fh, struct v4l2_exportbuffer *e)
{
struct iss_video_fh *vfh = to_iss_video_fh(fh);
return vb2_expbuf(&vfh->queue, e);
}
static int
iss_video_dqbuf(struct file *file, void *fh, struct v4l2_buffer *b)
{
@ -1021,6 +1029,7 @@ static const struct v4l2_ioctl_ops iss_video_ioctl_ops = {
.vidioc_reqbufs = iss_video_reqbufs,
.vidioc_querybuf = iss_video_querybuf,
.vidioc_qbuf = iss_video_qbuf,
.vidioc_expbuf = iss_video_expbuf,
.vidioc_dqbuf = iss_video_dqbuf,
.vidioc_streamon = iss_video_streamon,
.vidioc_streamoff = iss_video_streamoff,
@ -1071,7 +1080,7 @@ static int iss_video_open(struct file *file)
q = &handle->queue;
q->type = video->type;
q->io_modes = VB2_MMAP;
q->io_modes = VB2_MMAP | VB2_DMABUF;
q->drv_priv = handle;
q->ops = &iss_video_vb2ops;
q->mem_ops = &vb2_dma_contig_memops;