This patch enhances s5p-tv with support for DMABUF exporting via
VIDIOC_EXPBUF ioctl.
Signed-off-by: Tomasz Stanislawski <t.stanislaws at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
Acked-by: Hans Verkuil <hans.verkuil at cisco.com>
---
drivers/media/platform/s5p-tv/mixer_video.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/media/platform/s5p-tv/mixer_video.c
b/drivers/media/platform/s5p-tv/mixer_video.c
index 2421e527..5e3cdb2 100644
--- a/drivers/media/platform/s5p-tv/mixer_video.c
+++ b/drivers/media/platform/s5p-tv/mixer_video.c
@@ -698,6 +698,15 @@ static int mxr_dqbuf(struct file *file, void *priv, struct
v4l2_buffer *p)
return vb2_dqbuf(&layer->vb_queue, p, file->f_flags & O_NONBLOCK);
}
+static int mxr_expbuf(struct file *file, void *priv,
+ struct v4l2_exportbuffer *eb)
+{
+ struct mxr_layer *layer = video_drvdata(file);
+
+ mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+ return vb2_expbuf(&layer->vb_queue, eb);
+}
+
static int mxr_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct mxr_layer *layer = video_drvdata(file);
@@ -725,6 +734,7 @@ static const struct v4l2_ioctl_ops mxr_ioctl_ops = {
.vidioc_querybuf = mxr_querybuf,
.vidioc_qbuf = mxr_qbuf,
.vidioc_dqbuf = mxr_dqbuf,
+ .vidioc_expbuf = mxr_expbuf,
/* Streaming control */
.vidioc_streamon = mxr_streamon,
.vidioc_streamoff = mxr_streamoff,
--
1.7.9.5
