From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753075AbaLTKsv (ORCPT ); Sat, 20 Dec 2014 05:48:51 -0500 Received: from mail-pa0-f42.google.com ([209.85.220.42]:50565 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753050AbaLTKss (ORCPT ); Sat, 20 Dec 2014 05:48:48 -0500 From: "Lad, Prabhakar" To: LMML , Scott Jiang Cc: LKML , adi-buildroot-devel@lists.sourceforge.net, Mauro Carvalho Chehab , "Lad, Prabhakar" Subject: [PATCH 11/15] media: blackfin: bfin_capture: return -ENODATA for *dv_timings calls Date: Sat, 20 Dec 2014 16:17:38 +0530 Message-Id: <1419072462-3168-12-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 adds support to return -ENODATA for *dv_timings calls if the current output does not support it. Signed-off-by: Lad, Prabhakar --- drivers/media/platform/blackfin/bfin_capture.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 9f48795..f663687 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -487,6 +487,11 @@ static int bcap_enum_dv_timings(struct file *file, void *priv, struct v4l2_enum_dv_timings *timings) { struct bcap_device *bcap_dev = video_drvdata(file); + struct v4l2_input input; + + input = bcap_dev->cfg->inputs[bcap_dev->cur_input]; + if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS)) + return -ENODATA; timings->pad = 0; @@ -498,6 +503,11 @@ static int bcap_query_dv_timings(struct file *file, void *priv, struct v4l2_dv_timings *timings) { struct bcap_device *bcap_dev = video_drvdata(file); + struct v4l2_input input; + + input = bcap_dev->cfg->inputs[bcap_dev->cur_input]; + if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS)) + return -ENODATA; return v4l2_subdev_call(bcap_dev->sd, video, query_dv_timings, timings); @@ -507,6 +517,11 @@ static int bcap_g_dv_timings(struct file *file, void *priv, struct v4l2_dv_timings *timings) { struct bcap_device *bcap_dev = video_drvdata(file); + struct v4l2_input input; + + input = bcap_dev->cfg->inputs[bcap_dev->cur_input]; + if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS)) + return -ENODATA; *timings = bcap_dev->dv_timings; return 0; @@ -516,7 +531,13 @@ static int bcap_s_dv_timings(struct file *file, void *priv, struct v4l2_dv_timings *timings) { struct bcap_device *bcap_dev = video_drvdata(file); + struct v4l2_input input; int ret; + + input = bcap_dev->cfg->inputs[bcap_dev->cur_input]; + if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS)) + return -ENODATA; + if (vb2_is_busy(&bcap_dev->buffer_queue)) return -EBUSY; -- 1.9.1