[media] saa7134: add DMABUF support

[sfrench/cifs-2.6.git] / drivers / media / pci / saa7134 / saa7134-empress.c

diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c
index 56b932c97196d68cc76dcdfd007dcf7b937bd40f..ca417a454d6787aecc77a0a338137dce78d7acb0 100644 (file)
--- a/drivers/media/pci/saa7134/saa7134-empress.c
+++ b/drivers/media/pci/saa7134/saa7134-empress.c
@@ -189,6 +189,7 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = {
        .vidioc_querybuf                = vb2_ioctl_querybuf,
        .vidioc_qbuf                    = vb2_ioctl_qbuf,
        .vidioc_dqbuf                   = vb2_ioctl_dqbuf,
+       .vidioc_expbuf                  = vb2_ioctl_expbuf,
        .vidioc_streamon                = vb2_ioctl_streamon,
        .vidioc_streamoff               = vb2_ioctl_streamoff,
        .vidioc_g_frequency             = saa7134_g_frequency,
@@ -286,7 +287,7 @@ static int empress_init(struct saa7134_dev *dev)
         * transfers that do not start at the beginning of a page. A USERPTR
         * can start anywhere in a page, so USERPTR support is a no-go.
         */
-       q->io_modes = VB2_MMAP | VB2_READ;
+       q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
        q->drv_priv = &dev->ts_q;
        q->ops = &saa7134_empress_qops;
        q->gfp_flags = GFP_DMA32;