Messages in this thread | | | Date | Mon, 08 Sep 2014 10:06:07 +0200 | From | Hans Verkuil <> | Subject | Re: [PATCH 3/5] media: videobuf2-core.h: add a helper to get status of start_streaming() |
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On 09/06/2014 05:26 PM, Lad, Prabhakar wrote: > this patch adds a helper to get the status if start_streaming() > was called successfully.
Nice! I've had the same idea for quite some time now, but for some reason I never got around to actually adding it.
Hans
> > Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> > Cc: Pawel Osciak <pawel@osciak.com> > Cc: Marek Szyprowski <m.szyprowski@samsung.com> > Cc: Kyungmin Park <kyungmin.park@samsung.com> > Cc: Hans Verkuil <hans.verkuil@cisco.com> > --- > include/media/videobuf2-core.h | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h > index 5a10d8d..b3c9973 100644 > --- a/include/media/videobuf2-core.h > +++ b/include/media/videobuf2-core.h > @@ -590,6 +590,15 @@ vb2_plane_size(struct vb2_buffer *vb, unsigned int plane_no) > return 0; > } > > +/** > + * vb2_start_streaming_called() - return streaming status of driver > + * @q: videobuf queue > + */ > +static inline bool vb2_start_streaming_called(struct vb2_queue *q) > +{ > + return q->start_streaming_called; > +} > + > /* > * The following functions are not part of the vb2 core API, but are simple > * helper functions that you can use in your struct v4l2_file_operations, >
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