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=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS 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 1F280C43381 for ; Sat, 16 Mar 2019 17:54:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D96B4218FE for ; Sat, 16 Mar 2019 17:54:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552758873; bh=Gj9AY78cWuTyXg26uwiZXxzoOidrBYGmJghFNFXL9DM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=ONoKIfY90q31QzQ2fjzwDg8hWtSPnCTA/mCIRxCQpMABFz5YGPjwQdyAsYdYz+Zsc pZEdQGPXLcaFUX2zSoql+L2+0NP3q5qWqwAabdkP6NIJvqaRMoRiibr9hmTPvYVXy3 GUjjOVH0arl13SOmJhGiXbPMLPir2PUWD7D4sOTI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726963AbfCPRyb (ORCPT ); Sat, 16 Mar 2019 13:54:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:33898 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726376AbfCPRya (ORCPT ); Sat, 16 Mar 2019 13:54:30 -0400 Received: from archlinux (cpc91196-cmbg18-2-0-cust659.5-4.cable.virginm.net [81.96.234.148]) (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 767F9218D0; Sat, 16 Mar 2019 17:54:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552758869; bh=Gj9AY78cWuTyXg26uwiZXxzoOidrBYGmJghFNFXL9DM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=qmbRlvzsZAdz50kkDc5x+vb6sVwSg2AKd9HssV4bc7PPF/x9AumErlKB1Si+XNEio tzC9Zies6b2jV/k7WNB0+rtGLQeeC1uadTNOVpF1s0qjEveOfuD134JDqHIlSvDhqv 8x73Hv6DwymZuCcS//5ZdXuLZr4iIskV8x8eCQVQ= Date: Sat, 16 Mar 2019 17:54:23 +0000 From: Jonathan Cameron To: Renato Lui Geh Cc: lars@metafoo.de, Michael.Hennerich@analog.com, knaack.h@gmx.de, pmeerw@pmeerw.net, gregkh@linuxfoundation.org, stefan.popa@analog.com, alexandru.Ardelean@analog.com, giuliano.belinassi@usp.br, robh+dt@kernel.org, mark.rutland@arm.com, linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, kernel-usp@googlegroups.com, devicetree@vger.kernel.org Subject: Re: [PATCH v5 03/11] staging: iio: ad7780: add gain reading to ad778x Message-ID: <20190316175423.26481b43@archlinux> In-Reply-To: References: X-Mailer: Claws Mail 3.17.3 (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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 15 Mar 2019 23:13:13 -0300 Renato Lui Geh wrote: > This patch adds a new functionality of reading gain values from the > ad778x chips. This value is stored in the chip's state struct and is > updated whenever a read or write call is performed on the driver. > > Signed-off-by: Renato Lui Geh Applied, thanks > --- > drivers/staging/iio/adc/ad7780.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c > index f4cd7bc3e02f..fbcc0d3345ca 100644 > --- a/drivers/staging/iio/adc/ad7780.c > +++ b/drivers/staging/iio/adc/ad7780.c > @@ -42,6 +42,8 @@ > #define AD7780_GAIN_MIDPOINT 64 > #define AD7780_FILTER_MIDPOINT 13350 > > +static const unsigned int ad778x_gain[2] = { 1, 128 }; > + > struct ad7780_chip_info { > struct iio_chan_spec channel; > unsigned int pattern_mask; > @@ -179,6 +181,9 @@ static int ad7780_postprocess_sample(struct ad_sigma_delta *sigma_delta, > ((raw_sample & chip_info->pattern_mask) != chip_info->pattern)) > return -EIO; > > + if (chip_info->is_ad778x) > + st->gain = ad778x_gain[raw_sample & AD7780_GAIN]; > + > return 0; > } >