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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2019-04-12 17:51:35 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-05-08 19:58:20 +0200 |
| commit | 583958cba72ffd092e9e3c8a8a284cb154c34b1c (patch) | |
| tree | 42f766db0a0da58a01963f1a79c0109333af4333 /drivers/media | |
| parent | media: atmel: atmel-isc: fix asd memory allocation (diff) | |
| download | linux-583958cba72ffd092e9e3c8a8a284cb154c34b1c.tar.xz linux-583958cba72ffd092e9e3c8a8a284cb154c34b1c.zip | |
media: coda: fix unset field and fail on invalid field in buf_prepare
v4l2-compliance likes to queue a buffer with field set to V4L2_FIELD_ANY
and expects it to be returned corrected to a valid field.
Follow vicodec in handling this in the buf_prepare callback.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/coda/coda-common.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index 3ce58dee4422..1d96cca61547 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1515,10 +1515,20 @@ static int coda_queue_setup(struct vb2_queue *vq, static int coda_buf_prepare(struct vb2_buffer *vb) { + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); struct coda_q_data *q_data; q_data = get_q_data(ctx, vb->vb2_queue->type); + if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) { + if (vbuf->field == V4L2_FIELD_ANY) + vbuf->field = V4L2_FIELD_NONE; + if (vbuf->field != V4L2_FIELD_NONE) { + v4l2_warn(&ctx->dev->v4l2_dev, + "%s field isn't supported\n", __func__); + return -EINVAL; + } + } if (vb2_plane_size(vb, 0) < q_data->sizeimage) { v4l2_warn(&ctx->dev->v4l2_dev, |