From: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Validate the field for an output buffer. This ensures that the
field is validated when the buffer is queued to a request, and
not when the request itself is queued, which is too late.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
---
drivers/staging/media/sunxi/cedrus/cedrus_video.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c
index 8721b4a7d496..b5cc79389d67 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c
@@ -416,6 +416,14 @@ static void cedrus_buf_cleanup(struct vb2_buffer *vb)
ctx->dst_bufs[vb->index] = NULL;
}
+static int cedrus_buf_out_validate(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+ vbuf->field = V4L2_FIELD_NONE;
+ return 0;
+}
+
static int cedrus_buf_prepare(struct vb2_buffer *vb)
{
struct vb2_queue *vq = vb->vb2_queue;
@@ -493,6 +501,7 @@ static struct vb2_ops cedrus_qops = {
.buf_init = cedrus_buf_init,
.buf_cleanup = cedrus_buf_cleanup,
.buf_queue = cedrus_buf_queue,
+ .buf_out_validate = cedrus_buf_out_validate,
.buf_request_complete = cedrus_buf_request_complete,
.start_streaming = cedrus_start_streaming,
.stop_streaming = cedrus_stop_streaming,
--
2.20.1
