From patchwork Sat Dec 20 10:47:30 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 5522301 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 3E3C6BEEA8 for ; Sat, 20 Dec 2014 10:51:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8CBF42014A for ; Sat, 20 Dec 2014 10:51:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B2D062012B for ; Sat, 20 Dec 2014 10:51:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752879AbaLTKsT (ORCPT ); Sat, 20 Dec 2014 05:48:19 -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 Received: by mail-pd0-f175.google.com with SMTP id g10so2801083pdj.34; Sat, 20 Dec 2014 02:48:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=dZDA4AMvSuuRE02Xq7i10S2JlAtMm2TJ12zQiiyPvVE=; b=PfaZBc1VWmmhUaMkz9VKM+mgFoD3dQ4pJ2xqaE+keLOpE2OiLIPoa8mBTpCvGBsEK/ nJLxUpnYcdElmU7r2hFV6yFvuh9KJYOASr7hg1xEbJI4bprR0gKzrehO5CU9KPt9uf0l DEGzZkUtXK7Q4z21DTrR9E7gH2XR+nEz401A+n1dffC0RDbdFXG1jHsoefVwX59FAOxF aknz1qhTa/SFZW3SgU55mU7BwYAln75zC2AwLo/ULee/MbtzT5Tl1XYN+oQWx1DLfMB7 vgH8krwm7Mg4YSrc7n6Z0R4bkAPz1bEpMMry18yHoAFE7ftkzXSJlcrUrKH6ZQZxHYi6 bTBw== X-Received: by 10.68.211.7 with SMTP id my7mr19703590pbc.115.1419072496111; Sat, 20 Dec 2014 02:48:16 -0800 (PST) Received: from localhost.localdomain ([49.203.40.145]) by mx.google.com with ESMTPSA id w8sm12007015pbt.71.2014.12.20.02.48.12 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 20 Dec 2014 02:48:15 -0800 (PST) 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-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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)