From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751314AbdGMH5K (ORCPT ); Thu, 13 Jul 2017 03:57:10 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:44696 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750966AbdGMH5I (ORCPT ); Thu, 13 Jul 2017 03:57:08 -0400 Date: Thu, 13 Jul 2017 09:57:06 +0200 From: Pavel Machek To: Ivaylo Dimitrov Cc: Mauro Carvalho Chehab , pali.rohar@gmail.com, sre@kernel.org, kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org, aaro.koskinen@iki.fi, patrikbachan@gmail.com, serge@hallyn.com, abcloriens@gmail.com, Sakari Ailus , Sakari Ailus , linux-media@vger.kernel.org Subject: Re: [patch] autogain support for bayer10 format (was Re: [patch] propagating controls in libv4l2) Message-ID: <20170713075706.GB1363@amd> References: <20170424093059.GA20427@amd> <20170424103802.00d3b554@vento.lan> <20170424212914.GA20780@amd> <20170424224724.5bb52382@vento.lan> <20170426105300.GA857@amd> <20170426081330.6ca10e42@vento.lan> <20170426132337.GA6482@amd> <20170426225150.GA4188@amd> <8a129dca-69c2-366f-1a81-c64dbabc1983@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="l76fUT7nc3MelDdI" Content-Disposition: inline In-Reply-To: <8a129dca-69c2-366f-1a81-c64dbabc1983@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --l76fUT7nc3MelDdI Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > Oh, somehow I got confused that this is kernel code :) >=20 > >But I'd say NEON conversion is not neccessary anytime soon. First, > >this is just trying to get average luminosity. We can easily skip > >quite a lot of pixels, and still get reasonable answer. > > > >Second, omap3isp actually has a hardware block computing statistics > >for us. We just don't use it for simplicity. > > >=20 > Right, I forgot about that. >=20 > >(But if you want to play with camera, I'll get you patches; there's > >ton of work to be done, both kernel and userspace :-). >=20 > Well, I saw a low hanging fruit I thought I can convert to NEON in a day = or > two, while having some rest from the huge "project" I am devoting all my > spare time recently (rebasing hildon/maemo 5 on top of devuan Jessie). > Still, if there is something relatively small to be done, just email me a= nd > I'll have a look. Well, there's a ton of work on camera, and some work on libcmtspeechdata. The later is rather self-contained. Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --l76fUT7nc3MelDdI Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAllnJ9IACgkQMOfwapXb+vLwLACeKB6N8oWUnTUjQgZaJ94QkMic CNgAn177IBqBxeyO0DDHUAGGUrZdoWvx =IlMZ -----END PGP SIGNATURE----- --l76fUT7nc3MelDdI-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Thu, 13 Jul 2017 09:57:06 +0200 Subject: [patch] autogain support for bayer10 format (was Re: [patch] propagating controls in libv4l2) In-Reply-To: <8a129dca-69c2-366f-1a81-c64dbabc1983@gmail.com> References: <20170424093059.GA20427@amd> <20170424103802.00d3b554@vento.lan> <20170424212914.GA20780@amd> <20170424224724.5bb52382@vento.lan> <20170426105300.GA857@amd> <20170426081330.6ca10e42@vento.lan> <20170426132337.GA6482@amd> <20170426225150.GA4188@amd> <8a129dca-69c2-366f-1a81-c64dbabc1983@gmail.com> Message-ID: <20170713075706.GB1363@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi! > Oh, somehow I got confused that this is kernel code :) > > >But I'd say NEON conversion is not neccessary anytime soon. First, > >this is just trying to get average luminosity. We can easily skip > >quite a lot of pixels, and still get reasonable answer. > > > >Second, omap3isp actually has a hardware block computing statistics > >for us. We just don't use it for simplicity. > > > > Right, I forgot about that. > > >(But if you want to play with camera, I'll get you patches; there's > >ton of work to be done, both kernel and userspace :-). > > Well, I saw a low hanging fruit I thought I can convert to NEON in a day or > two, while having some rest from the huge "project" I am devoting all my > spare time recently (rebasing hildon/maemo 5 on top of devuan Jessie). > Still, if there is something relatively small to be done, just email me and > I'll have a look. Well, there's a ton of work on camera, and some work on libcmtspeechdata. The later is rather self-contained. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: Digital signature URL: