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author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2013-11-14 08:03:10 +0400 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-12-23 13:44:34 +0300 |
commit | 3e90f789739e5685da0d0b716b04e49e17671877 (patch) | |
tree | e2fe8416769df534546c84f1299c21c8e55b4add /drivers/staging/media/omap4iss/iss_video.c | |
parent | aadec012eabf0e5147103cfd2ffde27e5aad65e2 (diff) | |
download | linux-3e90f789739e5685da0d0b716b04e49e17671877.tar.xz |
[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/omap4iss/iss_video.c')
-rw-r--r-- | drivers/staging/media/omap4iss/iss_video.c | 11 |
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 cdee5966cbca..2085f699da67 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; |