linux-kernel - RE: New Driver for DaVinci DM355/DM365/DM6446

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Date:	Mon, 1 Jun 2009 11:54:37 -0500
From:	"Paulraj, Sandeep" <s-paulraj@...com>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>
CC:	"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Grosen, Mark" <mgrosen@...com>
Subject: RE: New Driver for DaVinci DM355/DM365/DM6446



> -----Original Message-----
> From: Mauro Carvalho Chehab [mailto:mchehab@...radead.org]
> Sent: Monday, June 01, 2009 12:35 PM
> To: Paulraj, Sandeep
> Cc: linux-media@...r.kernel.org; linux-kernel@...r.kernel.org; Grosen,
> Mark
> Subject: Re: New Driver for DaVinci DM355/DM365/DM6446
> 
> Em Mon, 1 Jun 2009 09:56:40 -0500
> "Paulraj, Sandeep" <s-paulraj@...com> escreveu:
> 
> >
> > Hello,
> >
> > WE have a module(H3A) on Davinci DM6446,DM355 and DM365.
> >
> > Customers require a way to collect the data required to perform the Auto
> Exposure (AE), Auto Focus(AF), and Auto White balance (AWB) in hardware as
> opposed to software. This is primarily for performance reasons as there is
> not enough software processing MIPS (to do 3A statistics) available in
> > an imaging/video system.
> >
> > Including this block in hardware reduces the load on the processor and
> bandwidth to the memory as the data is collected on the fly from the
> imager.
> >
> > This modules collects statistics and we currently implement it as a
> character driver.
> >
> > Which mailing list would be the most appropriate mailing list to submit
> patches for review?
> 
> You should send they to:
> 	LMML <linux-media@...r.kernel.org>
> 
> If you are proposing API changes, please submit they first.
[Sandeep] WE don't propose any API changes. This module for which we want to submit patches is a TI proprietary IP. We currently implement this as a character device and have a few IOCTL's.
We do not follow the V4L2 framework and do not use any V4L2 IOCTLs.

Can we continue to use it as a character driver?
> 
> >
> > Thanks,
> > Sandeep
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-media"
> in
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> 
> 
> 
> 
> Cheers,
> Mauro

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