From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 6.mo68.mail-out.ovh.net ([46.105.63.100]:48752 "EHLO 6.mo68.mail-out.ovh.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758467AbcHDQk6 (ORCPT ); Thu, 4 Aug 2016 12:40:58 -0400 Received: from player788.ha.ovh.net (b7.ovh.net [213.186.33.57]) by mo68.mail-out.ovh.net (Postfix) with ESMTP id 8BFFEFF8C31 for ; Thu, 4 Aug 2016 17:21:43 +0200 (CEST) Subject: Re: [PATCH] V4L2: Add documentation for SDI timings and related flags To: Hans Verkuil , linux-media@vger.kernel.org References: <1469113476-1645-1-git-send-email-charles-antoine.couret@nexvision.fr> <080c0d20-6268-f1a0-9120-d6e4909bdcd5@xs4all.nl> From: Charles-Antoine Couret Message-ID: <58f6ea73-e54a-a0f7-305e-2740f5a8bfba@nexvision.fr> Date: Thu, 4 Aug 2016 17:21:42 +0200 MIME-Version: 1.0 In-Reply-To: <080c0d20-6268-f1a0-9120-d6e4909bdcd5@xs4all.nl> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: Le 04/08/2016 à 12:11, Hans Verkuil a écrit : >> --- a/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst >> +++ b/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst >> @@ -339,6 +339,13 @@ EBUSY >> >> - The timings follow the VESA Generalized Timings Formula standard >> >> + - .. row 7 >> + >> + - ``V4L2_DV_BT_STD_SDI`` >> + >> + - The timings follow the SDI Timings standard. >> + There are no horizontal syncs/porches at all in this format. >> + Total blanking timings must be set in hsync or vsync fields only. > > Didn't you mention on irc that there are actually two blanking timings for > vertical blanking? Something frontporch like? I can't remember the details, > but if I remember correctly, then you should specify what goes where. Yes, your're right about this. In SMPTE 125M (I like this standard :D), some "frontporchs" or similar values are available. So, I can precise that in the documentation and fix SMPTE 125M definition to take this into account. Thank you very much. Regards, Charles-Antoine Couret