Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753873AbaJCPIV (ORCPT ); Fri, 3 Oct 2014 11:08:21 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:41818 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752489AbaJCPIS (ORCPT ); Fri, 3 Oct 2014 11:08:18 -0400 Message-ID: <1412348902.1027.48.camel@iivanov-dev> Subject: Re: [PATCH] iio: inkern: Add of_xlate function to struct iio_dev From: "Ivan T. Ivanov" To: Srinivas Pandruvada Cc: Lars-Peter Clausen , Jonathan Cameron , Sachin Kamat , John Stultz , linux-iio@vger.kernel.org, svarbanov@mm-sol.com, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Date: Fri, 03 Oct 2014 18:08:22 +0300 In-Reply-To: <1412346717.2987.5.camel@spandruv-hsb-test> References: <1412253128-32165-1-git-send-email-iivanov@mm-sol.com> <542D5377.90201@metafoo.de> <1412257785.1027.40.camel@iivanov-dev> <1412346717.2987.5.camel@spandruv-hsb-test> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2014-10-03 at 07:31 -0700, Srinivas Pandruvada wrote: > On Thu, 2014-10-02 at 16:49 +0300, Ivan T. Ivanov wrote: > > On Thu, 2014-10-02 at 15:30 +0200, Lars-Peter Clausen wrote: > > > On 10/02/2014 02:32 PM, Ivan T. Ivanov wrote: > > > > When #iio-cells is greater than '0', the driver could provide > > > > a custom of_xlate function that reads the *args* and returns > > > > the appropriate index in registered IIO channels array. > > > > > > Do you have an example of a device that doesn't want to use the default > > > mapping? If yes please include it in the commit message, otherwise it is > > > fairly hard to say whether this makes sense or not. > > > > Still not mainlined. You can find more detailed description of the > > issue here[1] and driver here[2]. > I see your need. I wonder this mapping be done in individual client > driver instead of creating another callback. I am not sure I got you question. The idea is to provide default 1:1 mapping in core, which can be overwritten by client callback. Regards, Ivan -- 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/