diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_queue.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_queue.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index cd962be860ca..6e92d2080255 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -48,12 +48,14 @@ static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, struct uvc_streaming *stream = container_of(queue, struct uvc_streaming, queue); - if (*nbuffers > UVC_MAX_VIDEO_BUFFERS) - *nbuffers = UVC_MAX_VIDEO_BUFFERS; + /* Make sure the image size is large enough. */ + if (fmt && fmt->fmt.pix.sizeimage < stream->ctrl.dwMaxVideoFrameSize) + return -EINVAL; *nplanes = 1; - sizes[0] = stream->ctrl.dwMaxVideoFrameSize; + sizes[0] = fmt ? fmt->fmt.pix.sizeimage + : stream->ctrl.dwMaxVideoFrameSize; return 0; } @@ -104,15 +106,15 @@ static void uvc_buffer_queue(struct vb2_buffer *vb) spin_unlock_irqrestore(&queue->irqlock, flags); } -static int uvc_buffer_finish(struct vb2_buffer *vb) +static void uvc_buffer_finish(struct vb2_buffer *vb) { struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); struct uvc_streaming *stream = container_of(queue, struct uvc_streaming, queue); struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf); - uvc_video_clock_update(stream, &vb->v4l2_buf, buf); - return 0; + if (vb->state == VB2_BUF_STATE_DONE) + uvc_video_clock_update(stream, &vb->v4l2_buf, buf); } static void uvc_wait_prepare(struct vb2_queue *vq) @@ -149,7 +151,8 @@ int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, queue->queue.buf_struct_size = sizeof(struct uvc_buffer); queue->queue.ops = &uvc_queue_qops; queue->queue.mem_ops = &vb2_vmalloc_memops; - queue->queue.timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + queue->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC + | V4L2_BUF_FLAG_TSTAMP_SRC_SOE; ret = vb2_queue_init(&queue->queue); if (ret) return ret; @@ -196,6 +199,18 @@ int uvc_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf) return ret; } +int uvc_create_buffers(struct uvc_video_queue *queue, + struct v4l2_create_buffers *cb) +{ + int ret; + + mutex_lock(&queue->mutex); + ret = vb2_create_bufs(&queue->queue, cb); + mutex_unlock(&queue->mutex); + + return ret; +} + int uvc_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf) { int ret; |