From patchwork Thu Jan 22 22:18:36 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 5689191 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6BD0B9F333 for ; Thu, 22 Jan 2015 22:25:06 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B277E20270 for ; Thu, 22 Jan 2015 22:25:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D3BB12026D for ; Thu, 22 Jan 2015 22:25:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754003AbbAVWU6 (ORCPT ); Thu, 22 Jan 2015 17:20:58 -0500 Received: from mail-we0-f175.google.com ([74.125.82.175]:53801 "EHLO mail-we0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753695AbbAVWUr (ORCPT ); Thu, 22 Jan 2015 17:20:47 -0500 Received: by mail-we0-f175.google.com with SMTP id p10so850723wes.6; Thu, 22 Jan 2015 14:20:46 -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=Yg2kzyuATd+61m/W8mSdOo9fGueGZLkrh9ItcK4b754=; b=mQIR9EXy9GbnIEaTTsnY+Zp4DgLR0oQtuN9CN6QRBcFdD5KRFIude468XtU6DemJ73 EdJambW4xltYUtvp9EWDk3yCKqCepNw7+m4RijGwLHVmi9qjvfiONMx9oI5dr1YpD8Dq 9aVDkucGYjjSCffUYqt3DmI8Nslqqq4t+LNQftnKxJ4wUu83RVQUWFaOBfGTyxROeEe8 MnRRvY/A1c3ZsqXIT1ocj/Zokxhh+yRu3f11EbgDBZWkDcOaVm4o085tE+rpe0jQ3tJo OXW7ClkQLeocM/bQs146045BCY7ndTE6WIyGP7UR5kaX9an79OHg8AyIoDyICZ5o/WNw 9yjw== X-Received: by 10.194.191.227 with SMTP id hb3mr7556739wjc.79.1421965246589; Thu, 22 Jan 2015 14:20:46 -0800 (PST) Received: from tango-charlie.Home ([2.218.173.171]) by mx.google.com with ESMTPSA id fi10sm4757888wib.13.2015.01.22.14.20.45 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 22 Jan 2015 14:20:45 -0800 (PST) From: "Lad, Prabhakar" To: LMML , Scott Jiang , adi-buildroot-devel@lists.sourceforge.net Cc: LKML , Mauro Carvalho Chehab , "Lad, Prabhakar" Subject: [PATCH v2 03/15] media: blackfin: bfin_capture: set min_buffers_needed Date: Thu, 22 Jan 2015 22:18:36 +0000 Message-Id: <1421965128-10470-4-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1421965128-10470-1-git-send-email-prabhakar.csengg@gmail.com> References: <1421965128-10470-1-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)