diff options
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_queue.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 6e92d208025..97036559bb9 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -36,6 +36,12 @@ * the driver. */ +static inline struct uvc_streaming * +uvc_queue_to_stream(struct uvc_video_queue *queue) +{ + return container_of(queue, struct uvc_streaming, queue); +} + /* ----------------------------------------------------------------------------- * videobuf2 queue operations */ @@ -45,8 +51,7 @@ static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, unsigned int sizes[], void *alloc_ctxs[]) { struct uvc_video_queue *queue = vb2_get_drv_priv(vq); - struct uvc_streaming *stream = - container_of(queue, struct uvc_streaming, queue); + struct uvc_streaming *stream = uvc_queue_to_stream(queue); /* Make sure the image size is large enough. */ if (fmt && fmt->fmt.pix.sizeimage < stream->ctrl.dwMaxVideoFrameSize) @@ -109,8 +114,7 @@ static void uvc_buffer_queue(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_streaming *stream = uvc_queue_to_stream(queue); struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf); if (vb->state == VB2_BUF_STATE_DONE) |