linux-kernel - Re: [v4l-dvb-maintainer] [GIT PATCHES] V4L/DVB changes for 2.6.24

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Date:	Thu, 11 Oct 2007 11:42:32 +0100
From:	Pádraig Brady <P@...igBrady.com>
To:	Aidan Thornton <makosoft@...glemail.com>
CC:	Markus Rechberger <mrechberger@...il.com>,
	Chuck Ebbert <cebbert@...hat.com>, video4linux-list@...hat.com,
	linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	linux-dvb-maintainer@...uxtv.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [v4l-dvb-maintainer] [GIT PATCHES] V4L/DVB changes for 2.6.24

Aidan Thornton wrote:
> I looked at this recently, and I'm not sure the core em28xx code was
> really that different (at least, pre-userspace). Most of the core
> changes seemed to be related to Markus' driver having (semi-working)
> VBI support. I haven't tried this recently; I disabled it a while back
> because it had a bug that caused a kernel panic half the time when
> attempting to record something with MythTV.
> 
> The in-kernel driver looks mostly sound, though I can't test it
> myself. (One other interesting thing that was added in Markus' driver
> is various v4l1 ioctls, which may be useful to some people.)

Yes, for example VLC doesn't support v4l2 yet.
Here is a patch I back ported to 2.6.17 last year.
http://www.pixelbeat.org/patches/linux-2.6.17-em28xx-v4l1.diff
I didn't try to get it merged as I thought Markus would do it,
but looks like that's unlikely now.

Also here is a patch to allow shared access to the video device
(so you can have a separate tuner program to VLC for example):
http://www.pixelbeat.org/patches/linux-2.6.17-em28xx-shared.diff

> Incidentally, I notice you appear to be developing userspace drivers
> for the tvp5150 and zl10353. Is that really necessary?

It is necessary if Markus wants to stop people merging code back from
his in-kernel driver fork. Call me a cynic, but I'm confused about Markus'
motives in all this.

Markus, please do the right thing and just merge your code!
(and please don't reply this giving reasons you won't/can't do this).

Pádraig.
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