linux-kernel - Re: Update VIP to videobuf2 and control framework

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Message-ID: <CAH5GJ0pfuw=BiEYrwT+P9QVvO5s0QN4nJ5952WPy33=-nT6PBQ@mail.gmail.com>
Date:	Tue, 31 Jul 2012 22:27:40 +0200
From:	Federico Vaga <federico.vaga@...il.com>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Pawel Osciak <pawel@...iak.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Hans Verkuil <hans.verkuil@...co.com>
Cc:	Giancarlo Asnaghi <giancarlo.asnaghi@...com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jonathan Corbet <corbet@....net>
Subject: Re: Update VIP to videobuf2 and control framework

I use git send-email command to send patches but I think I made a
mistake. If something
is wrong or confused please tell me and I try to resend all the
patches hopefully without mistake. Sorry again.

2012/7/31 Federico Vaga <federico.vaga@...il.com>:
> As suggested I moved the Video Buffer Input (VIP) of the STA2X11 board to the
> videobuf2. This patch series is an RFC.
>
> The first patch is just an update to the adv7180 because the VIP (the only
> user) now use the control framework so query{g_|s_|ctrl} are not necessery.
>
> The second patch adds a new memory allocator for the videobuf2. I name it
> videobuf2-dma-streaming but I think "streaming" is not the best choice, so
> suggestions are welcome. My inspiration for this buffer come from
> videobuf-dma-contig (cached) version. After I made this buffer I found the
> videobuf2-dma-nc made by Jonathan Corbet and I improve the allocator with
> some suggestions (http://patchwork.linuxtv.org/patch/7441/). The VIP doesn't
> work with videobu2-dma-contig and I think this solution is easier the sg.
>
> The third patch updates the VIP to videobuf2 and control framework. I made also
> some restyling to the driver and change some mechanism so I take the ownership
> of the driver and I add the copyright of ST Microelectronics. Some trivial
> code is unchanged. The patch probably needs some extra update.
> I add the control framework to the VIP but without any control. I add it to
> inherit controls from adv7180.
>



-- 
Federico Vaga
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