Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966202Ab2B2B74 (ORCPT ); Tue, 28 Feb 2012 20:59:56 -0500 Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:50269 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753692Ab2B2B7z convert rfc822-to-8bit (ORCPT ); Tue, 28 Feb 2012 20:59:55 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of myungjoo.ham@gmail.com designates 10.152.114.133 as permitted sender) smtp.mail=myungjoo.ham@gmail.com; dkim=pass header.i=myungjoo.ham@gmail.com MIME-Version: 1.0 In-Reply-To: References: <20120228164413.GA11021@kroah.com> Date: Wed, 29 Feb 2012 10:59:53 +0900 Message-ID: Subject: Re: [PULL-REQUEST] EXTCON Patches (Re: [PATCH v6 0/5] Introduce External Connector Class (extcon)) From: MyungJoo Ham To: Greg KH Cc: Arnd Bergmann , LKML , NeilBrown , Randy Dunlap , Mike Lockwood , =?ISO-8859-1?Q?Arve_Hj=F8nnevag?= , Kyungmin Park , Linus Walleij , Dmitry Torokhov , Morten CHRISTIANSEN , Mark Brown , John Stultz , Joerg Roedel Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2100 Lines: 60 On Wed, Feb 29, 2012 at 10:57 AM, MyungJoo Ham wrote: > On Wed, Feb 29, 2012 at 1:44 AM, Greg KH wrote: >> On Tue, Feb 28, 2012 at 05:58:02PM +0900, MyungJoo Ham wrote: >>> Hello Arnd, >>> >>> >>> Presuming that the requests and comments upto v5 patchsets were >>> addressed in the last patchset (v6), here goes a pull request of >>> Extcon. >> >> Wait, please, before this code can be accepted, I would like to get >> verification that you have also made the needed changes to the Android >> userspace side of this interface, and that the code works there, and it >> is on its way to be included in the main Android repo. >> >> Is this true? ?If not, what is the plans for this to happen? ?Without >> that happening, I don't think this code can be accepted, do you? >> >> thanks, >> >> greg k-h > > When an extcon device driver is not using the extended features > (multistate & mutually-exclusiveness) and CONFIG_ANDROID is on, the > userspace interface is same as the Android kernel's switch class (name > and state ABI, which were read-only in Android kernel). > > If an extcon device drivers uses the extended features (multistate & > mutually-exclusiveness) by adding "cable names", the state ABI will > provided information in different format. Besides, Android kernel's > switch device driver cannot provide the extended feature anyway. ps. If CONFIG_ANDROID is on and the extended features (that were not in Android kernel) are used by an extcon device driver, then, the format of state ABI will be different. However, the path should be the same although there will be additional sysfs entries. > > > Thanks. > > > Cheers! > MyungJoo. > -- > MyungJoo Ham, Ph.D. > System S/W Lab, S/W Center, Samsung Electronics -- MyungJoo Ham, Ph.D. System S/W Lab, S/W Center, Samsung Electronics -- 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/