linux-kernel - Re: tvp5150 extension to tvp5151

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Message-ID: <AANLkTimvSC6q482W-Mrs9YoBPn1fh1yF9KXMJBdrVARb@mail.gmail.com>
Date:	Mon, 22 Nov 2010 15:44:19 +0100
From:	Raffaele Recalcati <lamiaposta71@...il.com>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>
Cc:	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	davinci-linux-open-source 
	<davinci-linux-open-source@...ux.davincidsp.com>
Subject: Re: tvp5150 extension to tvp5151

On Mon, Nov 22, 2010 at 12:32 PM, Mauro Carvalho Chehab
<mchehab@...radead.org> wrote:
> Hi Raffaele,
>
> Em 19-11-2010 16:26, Raffaele Recalcati escreveu:
>> I need to support fully tvp5151.
>> So I'm trying to understand your driver, that is ready for VBI and not
>> for video acquisition.
>> I also take sometimes a look at tvp514x.c, for instance trying to add
>> VIDIOC_ENUM_FMT and other ioctls.
>> I think we can move from tvp5150.c to tvp515x.c, maybe...
>> I don't think is good to have tvp51xx.c because tvp514x.c family is
>> more complex (more inputs...).
>> By now I'm using tvp5150.c with some modifications and video acquisition works.
>> I need to complete the support in order to have gstreamer fully running.
>> I'm working on 2.6.32, but I have planned to port it to mainline.
>
> Renaming it to tvp515x.c and adding support for tvp5051 seems a good way.
> With tvp5150, video acquisition works fine with several devices with em28xx,
> although we may need to add more video formats at the media bus, depending
> on what you're doing. I didn't test VBI support on it, because the devices
> I have are based on em28xx, and I didn't find any way to capture the VBI
> decoded packages and sent to userspace with that design. So, the basic stuff
> is there, but maybe some adjusts may be needed for VBI.
>
>> Do you have any suggestion for my work?
>
> The better is to submit the patches you have, for us to apply upstream.

Thx for your reply..
I have added many v4l2 support similar to tvp514x.
I need to test them, hoping they work.
When all we'll be ok I'll send patches.
So I go on renaming all strings from "tvp5150" to "tvp515x".

Thx,
Raffaele
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