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[media] media: videobuf2-core.h: add a helper to get status of start_streaming()

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this patch adds a helper to get the status if start_streaming()
was called successfully.

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>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Prabhakar Lad 2014-09-06 12:26:49 -03:00 committed by Mauro Carvalho Chehab
parent 3b8a269b7d
commit ead130335f
1 changed files with 9 additions and 0 deletions
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9
include/media/videobuf2-core.h
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@ -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,