Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752545AbZFAR5a (ORCPT ); Mon, 1 Jun 2009 13:57:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751347AbZFAR5S (ORCPT ); Mon, 1 Jun 2009 13:57:18 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:35565 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750842AbZFAR5S (ORCPT ); Mon, 1 Jun 2009 13:57:18 -0400 Date: Mon, 1 Jun 2009 14:57:14 -0300 From: Mauro Carvalho Chehab To: "Paulraj, Sandeep" Cc: "linux-media@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Grosen, Mark" Subject: Re: New Driver for DaVinci DM355/DM365/DM6446 Message-ID: <20090601145714.36158fe8@pedra.chehab.org> In-Reply-To: References: <20090601133436.06a4a4a0@pedra.chehab.org> X-Mailer: Claws Mail 3.3.1 (GTK+ 2.10.4; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2087 Lines: 57 Em Mon, 1 Jun 2009 11:54:37 -0500 "Paulraj, Sandeep" escreveu: > > > > -----Original Message----- > > From: Mauro Carvalho Chehab [mailto:mchehab@infradead.org] > > Sent: Monday, June 01, 2009 12:35 PM > > To: Paulraj, Sandeep > > Cc: linux-media@vger.kernel.org; linux-kernel@vger.kernel.org; Grosen, > > Mark > > Subject: Re: New Driver for DaVinci DM355/DM365/DM6446 > > > > Em Mon, 1 Jun 2009 09:56:40 -0500 > > "Paulraj, Sandeep" 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 > > > > 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? In this case, I don't see why you want it to be upstream. Cheers, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/