From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B158C433E1 for ; Sun, 12 Jul 2020 12:05:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25FAA20725 for ; Sun, 12 Jul 2020 12:05:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594555523; bh=zPmWLPiVLK6GWNqVQox5Gti6dKu/1z3i6S2S01OL5ME=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=OQd476TxMLo9jLgR8i8K8lfanthO8ZA/7UFSsnvln1JPyvGXgMqwrBgva8x/fvHYh LJtcqYpZyV7OgQumS6/LJBK/M/heMlxmbo5wMMxNz9esns5S1/LFQVZnQRC8UK6GuS +HUZICeWIa/87aeNm1mHfHg8dwI0gyZh8Stvyt4A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728803AbgGLMFW (ORCPT ); Sun, 12 Jul 2020 08:05:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:50840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725765AbgGLMFW (ORCPT ); Sun, 12 Jul 2020 08:05:22 -0400 Received: from archlinux (cpc149474-cmbg20-2-0-cust94.5-4.cable.virginm.net [82.4.196.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EC41020672; Sun, 12 Jul 2020 12:05:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594555521; bh=zPmWLPiVLK6GWNqVQox5Gti6dKu/1z3i6S2S01OL5ME=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=EtoDm0Q8f1PJRUNtQfv6aIv4NgkpCN+JdRBQyEHBKRhCfWKpEkQCTh9QrwVF/WLr/ twG7wuQwCLo1kqU5lqE7mOxYRKDGn1AdkgFt8KgzjHW7vlM7izKhjS+JLPgd440/i4 mXd8B1o1GHhslmUt0t2mC0OeDPo5TLgNix6YNNzY= Date: Sun, 12 Jul 2020 13:05:17 +0100 From: Jonathan Cameron To: Artur Rojek Cc: Dmitry Torokhov , Rob Herring , Mark Rutland , Paul Cercueil , Andy Shevchenko , Heiko Stuebner , Ezequiel Garcia , devicetree@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v8 3/6] IIO: Ingenic JZ47xx: Add xlate cb to retrieve correct channel idx Message-ID: <20200712130517.397fd668@archlinux> In-Reply-To: <20200709152200.10039-4-contact@artur-rojek.eu> References: <20200709152200.10039-1-contact@artur-rojek.eu> <20200709152200.10039-4-contact@artur-rojek.eu> X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Thu, 9 Jul 2020 17:21:57 +0200 Artur Rojek wrote: > Provide an of_xlate callback in order to retrieve the correct channel > specifier index from the IIO channels array. > > Signed-off-by: Artur Rojek > Tested-by: Paul Cercueil Applied. Thanks, Jonathan > --- > > Changes: > > v2-v8: no change > > drivers/iio/adc/ingenic-adc.c | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/drivers/iio/adc/ingenic-adc.c b/drivers/iio/adc/ingenic-adc.c > index c1946a9f1cca..89019fb59d48 100644 > --- a/drivers/iio/adc/ingenic-adc.c > +++ b/drivers/iio/adc/ingenic-adc.c > @@ -400,6 +400,21 @@ static int ingenic_adc_read_raw(struct iio_dev *iio_dev, > } > } > > +static int ingenic_adc_of_xlate(struct iio_dev *iio_dev, > + const struct of_phandle_args *iiospec) > +{ > + int i; > + > + if (!iiospec->args_count) > + return -EINVAL; > + > + for (i = 0; i < iio_dev->num_channels; ++i) > + if (iio_dev->channels[i].channel == iiospec->args[0]) > + return i; > + > + return -EINVAL; > +} > + > static void ingenic_adc_clk_cleanup(void *data) > { > clk_unprepare(data); > @@ -409,6 +424,7 @@ static const struct iio_info ingenic_adc_info = { > .write_raw = ingenic_adc_write_raw, > .read_raw = ingenic_adc_read_raw, > .read_avail = ingenic_adc_read_avail, > + .of_xlate = ingenic_adc_of_xlate, > }; > > static const struct iio_chan_spec ingenic_channels[] = {