From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752906AbaLTKsV (ORCPT ); Sat, 20 Dec 2014 05:48:21 -0500 Received: from mail-pd0-f175.google.com ([209.85.192.175]:48536 "EHLO mail-pd0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752849AbaLTKsQ (ORCPT ); Sat, 20 Dec 2014 05:48:16 -0500 From: "Lad, Prabhakar" To: LMML , Scott Jiang Cc: LKML , adi-buildroot-devel@lists.sourceforge.net, Mauro Carvalho Chehab , "Lad, Prabhakar" Subject: [PATCH 03/15] media: blackfin: bfin_capture: set min_buffers_needed Date: Sat, 20 Dec 2014 16:17:30 +0530 Message-Id: <1419072462-3168-4-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1419072462-3168-1-git-send-email-prabhakar.csengg@gmail.com> References: <1419072462-3168-1-git-send-email-prabhakar.csengg@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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) -- 1.9.1