[media] em28xx: enable DMABUF

Now that it uses videobuf2, em28xx can support DMABUF.

Tested with an HVR-950 on analog mode and a 2gen i5core machine
with an i915 graphics adapter.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 75027e3..2eabf2a 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -699,7 +699,7 @@ int em28xx_vb2_setup(struct em28xx *dev)
        /* Setup Videobuf2 for Video capture */
        q = &dev->vb_vidq;
        q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-       q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR;
+       q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
        q->drv_priv = dev;
        q->buf_struct_size = sizeof(struct em28xx_buffer);
        q->ops = &em28xx_video_qops;