From patchwork Thu Sep 20 12:06:31 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 1483801 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 62D803FD40 for ; Thu, 20 Sep 2012 12:07:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753020Ab2ITMHe (ORCPT ); Thu, 20 Sep 2012 08:07:34 -0400 Received: from smtp-vbr16.xs4all.nl ([194.109.24.36]:2542 "EHLO smtp-vbr16.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752483Ab2ITMHa (ORCPT ); Thu, 20 Sep 2012 08:07:30 -0400 Received: from alastor.dyndns.org (166.80-203-20.nextgentel.com [80.203.20.166]) (authenticated bits=0) by smtp-vbr16.xs4all.nl (8.13.8/8.13.8) with ESMTP id q8KC6jfV099988 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Thu, 20 Sep 2012 14:06:46 +0200 (CEST) (envelope-from hverkuil@xs4all.nl) Received: from tschai.lan (tschai.lan [192.168.1.10]) (Authenticated sender: hans) by alastor.dyndns.org (Postfix) with ESMTPSA id E7CC735C014F; Thu, 20 Sep 2012 14:06:39 +0200 (CEST) From: Hans Verkuil To: linux-media@vger.kernel.org Cc: Prabhakar Lad , DLOS , Hans Verkuil Subject: [RFCv2 PATCH 12/14] vpif_display: use a v4l2_subdev pointer to call a subdev. Date: Thu, 20 Sep 2012 14:06:31 +0200 Message-Id: <9c002597feebefaaf15bc8e0a570556d23a9bfb1.1348142407.git.hans.verkuil@cisco.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1348142793-27157-1-git-send-email-hverkuil@xs4all.nl> References: <1348142793-27157-1-git-send-email-hverkuil@xs4all.nl> In-Reply-To: <15fd87671d173ae4b943df4114aafb55d7e958fa.1348142407.git.hans.verkuil@cisco.com> References: <15fd87671d173ae4b943df4114aafb55d7e958fa.1348142407.git.hans.verkuil@cisco.com> X-Virus-Scanned: by XS4ALL Virus Scanner Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Hans Verkuil This makes it easier to have outputs without subdevs. This needs more work. The way the outputs are configured should be identical to how inputs are configured. Signed-off-by: Hans Verkuil --- drivers/media/platform/davinci/vpif_display.c | 17 +++++++++-------- drivers/media/platform/davinci/vpif_display.h | 1 + 2 files changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 66b4b32..8d1ce09 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -1246,6 +1246,8 @@ static int vpif_s_output(struct file *file, void *priv, unsigned int i) vpif_err("Failed to set output standard\n"); ch->output_idx = i; + if (vpif_obj.sd[i]) + ch->sd = vpif_obj.sd[i]; return ret; } @@ -1317,14 +1319,13 @@ static int vpif_s_dv_timings(struct file *file, void *priv, } /* Configure subdevice timings, if any */ - ret = v4l2_subdev_call(vpif_obj.sd[ch->output_idx], - video, s_dv_timings, timings); + ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); if (ret == -ENOIOCTLCMD) { vpif_dbg(2, debug, "Custom DV timings not supported by " "subdevice\n"); - return -EINVAL; + return -ENODATA; } - if (ret < 0) { + if (ret < 0 && ret != -ENODEV) { vpif_dbg(2, debug, "Error setting custom DV timings\n"); return ret; } @@ -1449,8 +1450,7 @@ static int vpif_dbg_g_register(struct file *file, void *priv, struct vpif_fh *fh = priv; struct channel_obj *ch = fh->channel; - return v4l2_subdev_call(vpif_obj.sd[ch->output_idx], core, - g_register, reg); + return v4l2_subdev_call(ch->sd, core, g_register, reg); } /* @@ -1467,8 +1467,7 @@ static int vpif_dbg_s_register(struct file *file, void *priv, struct vpif_fh *fh = priv; struct channel_obj *ch = fh->channel; - return v4l2_subdev_call(vpif_obj.sd[ch->output_idx], core, - s_register, reg); + return v4l2_subdev_call(ch->sd, core, s_register, reg); } #endif @@ -1737,6 +1736,8 @@ static __init int vpif_probe(struct platform_device *pdev) } ch->initialized = 0; + if (subdev_count) + ch->sd = vpif_obj.sd[0]; ch->channel_id = j; if (j < 2) ch->common[VPIF_VIDEO_INDEX].numbuffers = diff --git a/drivers/media/platform/davinci/vpif_display.h b/drivers/media/platform/davinci/vpif_display.h index 805704c..dca2a8c0 100644 --- a/drivers/media/platform/davinci/vpif_display.h +++ b/drivers/media/platform/davinci/vpif_display.h @@ -125,6 +125,7 @@ struct channel_obj { u8 initialized; /* flag to indicate whether * encoder is initialized */ u32 output_idx; /* Current output index */ + struct v4l2_subdev *sd; /* Current output subdev (may be NULL) */ enum vpif_channel_id channel_id;/* Identifies channel */ struct vpif_params vpifparams;