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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2019-01-16 10:01:16 -0200
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-01-31 09:31:07 -0200
commit6b3e4c4cc162390b833e57de656644786ca88919 (patch)
tree3a178d8044b9591eb750345c2925431792a32f41 /drivers/staging/media/sunxi/cedrus/cedrus_video.c
parent1f2f510753becf607f9974a39a89ab1878f24b9d (diff)
media: cedrus: add buf_out_validate callback
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@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/staging/media/sunxi/cedrus/cedrus_video.c')
-rw-r--r--drivers/staging/media/sunxi/cedrus/cedrus_video.c9
1 files changed, 9 insertions, 0 deletions
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,

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