linux-kernel - Re: [PATCH 17/31] media: au0828 video change to use v4l_enable_media

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Date:	Thu, 28 Jan 2016 14:33:05 -0500
From:	Devin Heitmueller <dheitmueller@...nellabs.com>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	Mauro Carvalho Chehab <mchehab@....samsung.com>, tiwai@...e.com,
	Clemens Ladisch <clemens@...isch.de>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	"sakari.ailus@...ux.intel.com" <sakari.ailus@...ux.intel.com>,
	javier@....samsung.com, Pawel Osciak <pawel@...iak.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Arnd Bergmann <arnd@...db.de>, dan.carpenter@...cle.com,
	Malcolm Priestley <tvboxspy@...il.com>,
	Antti Palosaari <crope@....fi>, ruchandani.tina@...il.com,
	corbet@....net, chehabrafael@...il.com, k.kozlowski@...sung.com,
	Stefan Richter <stefanr@...6.in-berlin.de>,
	inki.dae@...sung.com, jh1009.sung@...sung.com,
	SF Markus Elfring <elfring@...rs.sourceforge.net>,
	Prabhakar Lad <prabhakar.csengg@...il.com>,
	sw0312.kim@...sung.com, p.zabel@...gutronix.de,
	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>,
	labbott@...oraproject.org,
	Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
	ricard.wanderlof@...s.com, Julian Scheel <julian@...st.de>,
	takamichiho@...il.com, dominic.sacre@....de, misterpib@...il.com,
	daniel@...que.org, Jurgen Kramer <gtmkramer@...all.nl>,
	normalperson@...t.net, joe@...po.co.uk, linuxbugs@...tgam.net,
	johan@...ud.se, Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux Media Mailing List <linux-media@...r.kernel.org>,
	linux-api@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH 17/31] media: au0828 video change to use v4l_enable_media_tuner()

Hi Shuah, Mauro,

>> Did you test the code when the input is not a tuner, but, instead,
>> Composite or S-Video connector, as shown at:
>>       https://mchehab.fedorapeople.org/mc-next-gen/au0828.png
>
> I am not sure if I did or not. I can double check this case.
> Do you have concerns that this won't work?

I'm not sure how you expect the MC framework to be handling this case,
but I can tell you that the hardware will *not* support simultaneous
streaming of the DVB feed at the same time as the analog feed, even if
you're using the composite/s-video input and not actually using the
xc5000 tuner in analog mode.

Devin

-- 
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com