From 3c44efd3b2af20c50769998e496d744a6d490e66 Mon Sep 17 00:00:00 2001 From: Tomasz Stanislawski Date: Thu, 14 Jun 2012 11:32:27 -0300 Subject: [PATCH] [media] v4l: s5p-tv: mixer: support for dmabuf exporting This patch enhances s5p-tv with support for DMABUF exporting via VIDIOC_EXPBUF ioctl. Signed-off-by: Tomasz Stanislawski Signed-off-by: Kyungmin Park Acked-by: Hans Verkuil Tested-by: Mauro Carvalho Chehab Signed-off-by: Mauro Carvalho Chehab --- 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 79a7ea3ae04a..7379e77bf4e1 100644 --- a/drivers/media/platform/s5p-tv/mixer_video.c +++ b/drivers/media/platform/s5p-tv/mixer_video.c @@ -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); } +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); @@ -724,6 +733,7 @@ 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, -- 2.30.2