From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757160Ab2EBUN1 (ORCPT ); Wed, 2 May 2012 16:13:27 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:47483 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756738Ab2EBUN0 (ORCPT ); Wed, 2 May 2012 16:13:26 -0400 Date: Wed, 2 May 2012 13:13:21 -0700 From: Greg Kroah-Hartman To: Mark Brown Cc: MyungJoo Ham , Kyungmin Park , Donggeun Kim , linux-kernel@vger.kernel.org Subject: Re: [PATCH] extcon: Add EXTCON_MECHANICAL cable type for physical presence Message-ID: <20120502201321.GA26275@kroah.com> References: <1335951531-5967-1-git-send-email-broonie@opensource.wolfsonmicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1335951531-5967-1-git-send-email-broonie@opensource.wolfsonmicro.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 02, 2012 at 10:38:51AM +0100, Mark Brown wrote: > Some accessory detection mechanisms are able to detect that something is > physically present in the socket separately to identifying what is present > in the socket. This information can be useful to applications, for example > allowing them to indicate that a potentially broken accessory is present, > so provide a standard way to report it to userspace. > > Signed-off-by: Mark Brown > --- > drivers/extcon/extcon_class.c | 1 + > include/linux/extcon.h | 1 + > 2 files changed, 2 insertions(+) Ok, but where is the in-kernel user of this new interface? Why are we adding it now before someone actually needs it? And shouldn't this also update some documentation somewhere as well? thanks, greg k-h