From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from lists.s-osg.org ([54.187.51.154]:57505 "EHLO lists.s-osg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752358AbcCBQYp (ORCPT ); Wed, 2 Mar 2016 11:24:45 -0500 Subject: Re: [RFC] Representing hardware connections via MC To: Mauro Carvalho Chehab , Sakari Ailus References: <20160226091317.5a07c374@recife.lan> <20160302141643.GH11084@valkosipuli.retiisi.org.uk> <20160302124029.0e6cee85@recife.lan> <20160302130409.60df670f@recife.lan> From: Javier Martinez Canillas Cc: LMML , Hans Verkuil , Laurent Pinchart Message-ID: <56D713C6.2040707@osg.samsung.com> Date: Wed, 2 Mar 2016 13:24:38 -0300 MIME-Version: 1.0 In-Reply-To: <20160302130409.60df670f@recife.lan> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Hello Mauro, On 03/02/2016 01:04 PM, Mauro Carvalho Chehab wrote: > Em Wed, 2 Mar 2016 12:40:29 -0300 > Mauro Carvalho Chehab escreveu: > >> After all the discussions, I guess "CONN" for connection is the best way >> to represent it. > I agree, after all in the latest proposal, the entity is really a connection (or set of connections as for example in a S-Video with separate Y and C) and the pads are the ones modeling the carrying signals. Just some small typos mentioned below. > Better to put it on a patch. > > Please review. > > Regards, > Mauro > > [media] Better define MEDIA_ENT_F_CONN_* entities > > Putting concepts in a paper is hard, specially since different people > may interpret it in a different way. > > Make clear about the meaning of the MEDIA_ENT_F_CONN_* entities > > Signed-off-by: Mauro Carvalho Chehab > > diff --git a/Documentation/DocBook/media/v4l/media-types.xml b/Documentation/DocBook/media/v4l/media-types.xml > index 5e3f20fdcf17..b036e6103949 100644 > --- a/Documentation/DocBook/media/v4l/media-types.xml > +++ b/Documentation/DocBook/media/v4l/media-types.xml > @@ -46,15 +46,26 @@ > > > MEDIA_ENT_F_CONN_RF > - Connector for a Radio Frequency (RF) signal. > + Entity representing the logical connection associated with a > + single Radio Frequency (RF) signal connector. It > + corresponds to the logical input or output associated > + with the RF signal. > > > MEDIA_ENT_F_CONN_SVIDEO > - Connector for a S-Video signal. > + Entity representing the logical connection assowiated s/assowiated/associated > + with a sigle S-Video connector. Such entity should have > + two pads, one for the luminance signal(Y) and one > + for the chrominance signal (C). It corresponds to the s/luminance signal(Y)/luminance signal (Y) > + logical input or output associated with S-Video Y and C > + signals. > > > MEDIA_ENT_F_CONN_COMPOSITE > - Connector for a RGB composite signal. > + Entity representing the logical connection for a composite > + signal. It corresponds to the logical input or output > + associated with the a single signal that carries both s/a/ > + chrominance and luminance information (Y+C). > > > MEDIA_ENT_F_CAM_SENSOR > Reviewed-by: Javier Martinez Canillas Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America