diff options
| -rw-r--r-- | drivers/media/platform/mxc/subdev/mx6s_capture.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/media/platform/mxc/subdev/mx6s_capture.c b/drivers/media/platform/mxc/subdev/mx6s_capture.c index 1f6d74d2a929..8cb1c1d14cf5 100644 --- a/drivers/media/platform/mxc/subdev/mx6s_capture.c +++ b/drivers/media/platform/mxc/subdev/mx6s_capture.c @@ -1210,10 +1210,19 @@ static int mx6s_vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) { struct mx6s_csi_dev *csi_dev = video_drvdata(file); + int ret; WARN_ON(priv != file->private_data); - return vb2_querybuf(&csi_dev->vb2_vidq, p); + ret = vb2_querybuf(&csi_dev->vb2_vidq, p); + + if (!ret) { + /* return physical address */ + struct vb2_buffer *vb = csi_dev->vb2_vidq.bufs[p->index]; + if (p->flags & V4L2_BUF_FLAG_MAPPED) + p->m.offset = vb2_dma_contig_plane_dma_addr(vb, 0); + } + return ret; } static int mx6s_vidioc_qbuf(struct file *file, void *priv, |