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[media] media: blackfin: bfin_capture: set min_buffers_needed

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this patch sets the min_buffers_needed field of the vb2 queue
so that the vb2 core will make sure start_streaming() callback
is called only when we have minimum buffers queued.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Tested-by: Scott Jiang <scott.jiang.linux@gmail.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:
Lad, Prabhakar 2015-03-08 11:40:39 -03:00 committed by Mauro Carvalho Chehab
parent 6692871a7c
commit 5f65ca81c3
1 changed files with 1 additions and 0 deletions
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drivers/media/platform/blackfin/bfin_capture.c
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@ -986,6 +986,7 @@ static int bcap_probe(struct platform_device *pdev)
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->lock = &bcap_dev->mutex;
q->min_buffers_needed = 1;
ret = vb2_queue_init(q);
if (ret)