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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2013-11-14 04:03:10 (GMT)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-12-23 10:44:34 (GMT)
commit3e90f789739e5685da0d0b716b04e49e17671877 (patch)
treee2fe8416769df534546c84f1299c21c8e55b4add /drivers/staging/media
parentaadec012eabf0e5147103cfd2ffde27e5aad65e2 (diff)
[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>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r--drivers/staging/media/omap4iss/iss_video.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c
index cdee596..2085f69 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -773,6 +773,14 @@ iss_video_qbuf(struct file *file, void *fh, struct v4l2_buffer *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)
{
struct iss_video_fh *vfh = to_iss_video_fh(fh);
@@ -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;

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