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    Subject[PATCH v2 03/15] media: blackfin: bfin_capture: set min_buffers_needed
    Date
    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>
    ---
    drivers/media/platform/blackfin/bfin_capture.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
    index 80463fa..a997eac 100644
    --- a/drivers/media/platform/blackfin/bfin_capture.c
    +++ b/drivers/media/platform/blackfin/bfin_capture.c
    @@ -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)
    --
    2.1.0


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