From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752903Ab1AUJmF (ORCPT ); Fri, 21 Jan 2011 04:42:05 -0500 Received: from nwd2mail11.analog.com ([137.71.25.57]:50629 "EHLO nwd2mail11.analog.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751876Ab1AUJmD convert rfc822-to-8bit (ORCPT ); Fri, 21 Jan 2011 04:42:03 -0500 X-IronPort-AV: E=Sophos;i="4.60,357,1291611600"; d="scan'208";a="27612473" From: "Hennerich, Michael" To: Andrew Morton , Richard Purdie CC: Mike Frysinger , "device-drivers-devel@blackfin.uclinux.org" , "linux-kernel@vger.kernel.org" Date: Fri, 21 Jan 2011 09:41:58 +0000 Subject: RE: [PATCH] backlight: new driver for the ADP8870 backlight devices Thread-Topic: [PATCH] backlight: new driver for the ADP8870 backlight devices Thread-Index: Acu5TdByeXs1cxJXTIW2qyZQlMnMkAAAGzbw Message-ID: <544AC56F16B56944AEC3BD4E3D591771324C0A8C91@LIMKCMBX1.ad.analog.com> References: <1294794049-17337-1-git-send-email-vapier@gentoo.org> <20110120164816.5afa0561.akpm@linux-foundation.org> <544AC56F16B56944AEC3BD4E3D591771324C0A8C6F@LIMKCMBX1.ad.analog.com> <20110121013013.076a0fed.akpm@linux-foundation.org> In-Reply-To: <20110121013013.076a0fed.akpm@linux-foundation.org> Accept-Language: de-DE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: de-DE, en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote on 2011-01-21: > On Fri, 21 Jan 2011 09:25:50 +0000 "Hennerich, Michael" > wrote: > >>> Is the sysfs API documented anywhere? >> >> Yes - http://wiki-analog.com/software/driver/linux/adp8870 >> I guess you are asking me to write something that goes into linux- > 2.6.x/Documentation? > > That would be nice, please. Documentation/ABI/, perhaps. > > In an ideal world, documentation wouldn't be necessary because all > backlight drivers offer the same (or sufficiently similar) interfaces, > so one generic document describes them all. I don't know how close we > are to that however. This driver implements the ABI documented in linux-2.6.x/Documentation/ABI/stable/sysfs-class-backlight however it adds some additional ABI for ambient light sensor/zones. http://wiki-analog.com/software/driver/linux/adp8870 Richard do you think my extension is suitable to be added there too? Greetings, Michael -- Analog Devices GmbH Wilhelm-Wagenfeld-Str. 6 80807 Muenchen Sitz der Gesellschaft: Muenchen; Registergericht: Muenchen HRB 40368; Geschaeftsfuehrer:Dr.Carsten Suckrow, Thomas Wessel, William A. Martin, Margaret Seif