diff options
Diffstat (limited to 'Documentation/video4linux/v4l2-pci-skeleton.c')
| -rw-r--r-- | Documentation/video4linux/v4l2-pci-skeleton.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/Documentation/video4linux/v4l2-pci-skeleton.c b/Documentation/video4linux/v4l2-pci-skeleton.c index 1c8b102a6529..79af0c041056 100644 --- a/Documentation/video4linux/v4l2-pci-skeleton.c +++ b/Documentation/video4linux/v4l2-pci-skeleton.c @@ -163,11 +163,10 @@ static irqreturn_t skeleton_irq(int irq, void *dev_id) * minimum number: many DMA engines need a minimum of 2 buffers in the * queue and you need to have another available for userspace processing. */ -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct skeleton *skel = vb2_get_drv_priv(vq); skel->field = skel->format.field; @@ -183,12 +182,12 @@ static int queue_setup(struct vb2_queue *vq, const void *parg, if (vq->num_buffers + *nbuffers < 3) *nbuffers = 3 - vq->num_buffers; + alloc_ctxs[0] = skel->alloc_ctx; - if (fmt && fmt->fmt.pix.sizeimage < skel->format.sizeimage) - return -EINVAL; + if (*nplanes) + return sizes[0] < skel->format.sizeimage ? -EINVAL : 0; *nplanes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : skel->format.sizeimage; - alloc_ctxs[0] = skel->alloc_ctx; + sizes[0] = skel->format.sizeimage; return 0; } |