Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757488Ab0DFSTI (ORCPT ); Tue, 6 Apr 2010 14:19:08 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:39833 "EHLO opensource2.wolfsonmicro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757492Ab0DFSS6 (ORCPT ); Tue, 6 Apr 2010 14:18:58 -0400 References: <2122967437.461270223106350.JavaMail.root@mail.savoirfairelinux.com> <1779783481.621270223270264.JavaMail.root@mail.savoirfairelinux.com> <20100402160058.GE27613@sirena.org.uk> <20100402184403.2ea1263e@hyperion.delvare> <20100402185138.GA12817@opensource.wolfsonmicro.com> <20100402213010.4a64e50f@hyperion.delvare> <20100402204503.GA15237@opensource.wolfsonmicro.com> <20100403173745.2bf17ee6@hyperion.delvare> <20100405132347.GA6580@rakim.wolfsonmicro.main> <1270567639.3229.56.camel@odin> <4BBB6083.2070903@cam.ac.uk> (sfid-20100406_172304_064433_7FBC3A75) Message-Id: <1F9C625F-0467-4C6D-B57F-2E4FCAC76031@opensource.wolfsonmicro.com> From: Mark Brown To: Jonathan Cameron In-Reply-To: <4BBB6083.2070903@cam.ac.uk> (sfid-20100406_172304_064433_7FBC3A75) Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit X-Mailer: iPhone Mail (7E18) Mime-Version: 1.0 (iPhone Mail 7E18) Subject: Re: [lm-sensors] regulator: regulator_get behaviour without CONFIG_REGULATOR set Date: Tue, 6 Apr 2010 19:19:47 +0100 Cc: Liam Girdwood , Jean Delvare , lm-sensors , "linux-kernel@vger.kernel.org" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1267 Lines: 33 On 6 Apr 2010, at 17:25, Jonathan Cameron wrote: > On 04/06/10 16:27, Liam Girdwood wrote: >>> >>> >>> >> >> I suppose this is something we may look into more when we have more >> clients. > Makes sense. There will probably be quite a few IIO drivers over > the next > few months doing much the same as sht15, where the voltage ref for > devices > may well be fed by a regulator. In that case, we may only offer the > option > of using an external v_ref if the regulator is available. Many > devices have > an internal regulator to provide it so typically we'll start them up > using that > and provide an interface to switch to external regulator if one is > available. > I haven't thought through exactly how this will work as yet. I'll cc > people in > when this comes up. TBH this seems like a very vanilla use case - there may be some small advantage to representing the internal regulator via the regulator API but that's about the only thing I can think might be a bit odd. -- 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/