Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752330AbbBUSkm (ORCPT ); Sat, 21 Feb 2015 13:40:42 -0500 Received: from mail-we0-f178.google.com ([74.125.82.178]:40354 "EHLO mail-we0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752158AbbBUSkf (ORCPT ); Sat, 21 Feb 2015 13:40:35 -0500 From: Lad Prabhakar To: Scott Jiang , Hans Verkuil , adi-buildroot-devel@lists.sourceforge.net Cc: Mauro Carvalho Chehab , LMML , LKML , "Lad, Prabhakar" Subject: [PATCH v3 05/15] media: blackfin: bfin_capture: improve queue_setup() callback Date: Sat, 21 Feb 2015 18:39:51 +0000 Message-Id: <1424544001-19045-6-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1424544001-19045-1-git-send-email-prabhakar.csengg@gmail.com> References: <1424544001-19045-1-git-send-email-prabhakar.csengg@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1475 Lines: 47 From: "Lad, Prabhakar" this patch improves the queue_setup() callback. Signed-off-by: Lad, Prabhakar --- drivers/media/platform/blackfin/bfin_capture.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 8f62a84..be0d0a2b 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -44,7 +44,6 @@ #include #define CAPTURE_DRV_NAME "bfin_capture" -#define BCAP_MIN_NUM_BUF 2 struct bcap_format { char *desc; @@ -292,11 +291,14 @@ static int bcap_queue_setup(struct vb2_queue *vq, { struct bcap_device *bcap_dev = vb2_get_drv_priv(vq); - if (*nbuffers < BCAP_MIN_NUM_BUF) - *nbuffers = BCAP_MIN_NUM_BUF; + if (fmt && fmt->fmt.pix.sizeimage < bcap_dev->fmt.sizeimage) + return -EINVAL; + + if (vq->num_buffers + *nbuffers < 2) + *nbuffers = 2; *nplanes = 1; - sizes[0] = bcap_dev->fmt.sizeimage; + sizes[0] = fmt ? fmt->fmt.pix.sizeimage : bcap_dev->fmt.sizeimage; alloc_ctxs[0] = bcap_dev->alloc_ctx; return 0; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/