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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2016-12-12 14:16:49 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-01-31 15:53:56 +0300 |
| commit | bb1d34875cac75b809230aafbceebce813c9175b (patch) | |
| tree | e2e317f37d94c7e6376a1f0f776dc35921f115b0 /drivers/media/usb/uvc | |
| parent | 239dd6164c867f31e1d37b065724c893237d2627 (diff) | |
| download | linux-bb1d34875cac75b809230aafbceebce813c9175b.tar.xz | |
[media] uvcvideo: (cosmetic) Add and use an inline function
Add an inline function to obtain a struct uvc_buffer pointer from a
struct vb2_v4l2_buffer one.
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/usb/uvc')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_queue.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 77edd206d345..0cc7ae23604d 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -43,6 +43,11 @@ uvc_queue_to_stream(struct uvc_video_queue *queue) return container_of(queue, struct uvc_streaming, queue); } +static inline struct uvc_buffer *uvc_vbuf_to_buffer(struct vb2_v4l2_buffer *buf) +{ + return container_of(buf, struct uvc_buffer, buf); +} + /* * Return all queued buffers to videobuf2 in the requested state. * @@ -89,7 +94,7 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); - struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf); + struct uvc_buffer *buf = uvc_vbuf_to_buffer(vbuf); if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) { @@ -116,7 +121,7 @@ static void uvc_buffer_queue(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); - struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf); + struct uvc_buffer *buf = uvc_vbuf_to_buffer(vbuf); unsigned long flags; spin_lock_irqsave(&queue->irqlock, flags); @@ -138,7 +143,7 @@ static void uvc_buffer_finish(struct vb2_buffer *vb) struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); struct uvc_streaming *stream = uvc_queue_to_stream(queue); - struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf); + struct uvc_buffer *buf = uvc_vbuf_to_buffer(vbuf); if (vb->state == VB2_BUF_STATE_DONE) uvc_video_clock_update(stream, vbuf, buf); |