Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751329AbdH1JhV (ORCPT ); Mon, 28 Aug 2017 05:37:21 -0400 Received: from lb2-smtp-cloud7.xs4all.net ([194.109.24.28]:38083 "EHLO lb2-smtp-cloud7.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751223AbdH1JhT (ORCPT ); Mon, 28 Aug 2017 05:37:19 -0400 Subject: Re: [PATCH v4 5/7] media: open.rst: Adjust some terms to match the glossary To: Mauro Carvalho Chehab , Linux Doc Mailing List , Linux Media Mailing List References: <74aaf6a89c1df7378c502318c94a4c58e83254b0.1503747774.git.mchehab@s-opensource.com> Cc: Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, Jonathan Corbet , Hans Verkuil From: Hans Verkuil Message-ID: <278e346e-9bfe-fd51-8c36-5cce2181ff8f@xs4all.nl> Date: Mon, 28 Aug 2017 11:37:16 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: <74aaf6a89c1df7378c502318c94a4c58e83254b0.1503747774.git.mchehab@s-opensource.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4wfD/K+lLpmbbEHHyTspLTFwPHcXlUH4EVQ3dbEojub4pWh/vYxBdf2f5sZ/nVx+NWQ9yaV3EDZ3tgBB0gE4i9AUUyOMEWF/yLCUlqVY+TPAEbUvCfTe07 mFiwehSH1YIpvpfj3YLQB26Ndt0uzovb2unnhUhG+bj5Ux9beZ1roO/xmmQyXbxzac0BaCjfgYvk+9wC6qnxxvJrRAonjzBSWuTrAZ1hx1yB+a/a3gqwKk3Z vVHDxqCl0bWZTR5E7PJzKg2kEGCJ74ABW23tSlfvZTGZHANVu+BQf2nT208wUk4uY9Fi5RJSU0G3whOBboIedBDTaCjspkepu9zmvBjzj1AUw2CYAC9ZR/OX /IXw/LUbpX2EoRAFyLms1hqqqlQ2OpM/pmsC216AH2Ex9T3HYdU= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2396 Lines: 53 On 26/08/17 13:53, Mauro Carvalho Chehab wrote: > As we now have a glossary, some terms used on open.rst > require adjustments. > > Signed-off-by: Mauro Carvalho Chehab Acked-by: Hans Verkuil Regards, Hans > --- > Documentation/media/uapi/v4l/open.rst | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/Documentation/media/uapi/v4l/open.rst b/Documentation/media/uapi/v4l/open.rst > index 51acb8de8ba8..64b1de047b1b 100644 > --- a/Documentation/media/uapi/v4l/open.rst > +++ b/Documentation/media/uapi/v4l/open.rst > @@ -147,7 +147,7 @@ Related Devices > Devices can support several functions. For example video capturing, VBI > capturing and radio support. > > -The V4L2 API creates different nodes for each of these functions. > +The V4L2 API creates different V4L2 device nodes for each of these functions. > > The V4L2 API was designed with the idea that one device node could > support all functions. However, in practice this never worked: this > @@ -157,17 +157,17 @@ switching a device node between different functions only works when > using the streaming I/O API, not with the > :ref:`read() `/\ :ref:`write() ` API. > > -Today each device node supports just one function. > +Today each V4L2 device node supports just one function. > > Besides video input or output the hardware may also support audio > sampling or playback. If so, these functions are implemented as ALSA PCM > devices with optional ALSA audio mixer devices. > > One problem with all these devices is that the V4L2 API makes no > -provisions to find these related devices. Some really complex devices > -use the Media Controller (see :ref:`media_controller`) which can be > -used for this purpose. But most drivers do not use it, and while some > -code exists that uses sysfs to discover related devices (see > +provisions to find these related V4L2 device nodes. Some really complex > +hardware use the Media Controller (see :ref:`media_controller`) which can > +be used for this purpose. But several drivers do not use it, and while some > +code exists that uses sysfs to discover related V4L2 device nodes (see > libmedia_dev in the > `v4l-utils `__ git > repository), there is no library yet that can provide a single API >