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[media] v4l: s5p-tv: mixer: support for dmabuf exporting

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This patch enhances s5p-tv with support for DMABUF exporting via
VIDIOC_EXPBUF ioctl.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Tomasz Stanislawski 2012-06-14 11:32:27 -03:00 committed by Mauro Carvalho Chehab
parent b28d61b622
commit 3c44efd3b2
1 changed files with 10 additions and 0 deletions
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10
drivers/media/platform/s5p-tv/mixer_video.c
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@ -697,6 +697,15 @@ 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); 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) static int mxr_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{ {
struct mxr_layer *layer = video_drvdata(file); struct mxr_layer *layer = video_drvdata(file);
@ -724,6 +733,7 @@ static const struct v4l2_ioctl_ops mxr_ioctl_ops = {
.vidioc_querybuf = mxr_querybuf, .vidioc_querybuf = mxr_querybuf,
.vidioc_qbuf = mxr_qbuf, .vidioc_qbuf = mxr_qbuf,
.vidioc_dqbuf = mxr_dqbuf, .vidioc_dqbuf = mxr_dqbuf,
.vidioc_expbuf = mxr_expbuf,
/* Streaming control */ /* Streaming control */
.vidioc_streamon = mxr_streamon, .vidioc_streamon = mxr_streamon,
.vidioc_streamoff = mxr_streamoff, .vidioc_streamoff = mxr_streamoff,