[media] vivi: add create_bufs/preparebuf support

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index f6d7c6e3390e..1e8c4f3ab602 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -767,7 +767,13 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
         struct vivi_dev *dev = vb2_get_drv_priv(vq);
         unsigned long size;
 
-        size = dev->width * dev->height * dev->pixelsize;
+        if (fmt)
+                size = fmt->fmt.pix.sizeimage;
+        else
+                size = dev->width * dev->height * dev->pixelsize;
+
+        if (size == 0)
+                return -EINVAL;
 
         if (0 == *nbuffers)
                 *nbuffers = 32;
@@ -1180,6 +1186,8 @@ static const struct v4l2_ioctl_ops vivi_ioctl_ops = {
         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
+        .vidioc_create_bufs   = vb2_ioctl_create_bufs,
+        .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
         .vidioc_querybuf      = vb2_ioctl_querybuf,
         .vidioc_qbuf          = vb2_ioctl_qbuf,
         .vidioc_dqbuf         = vb2_ioctl_dqbuf,