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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 C2332C07E96 for ; Tue, 6 Jul 2021 16:10:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AEEFB61A11 for ; Tue, 6 Jul 2021 16:10:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230339AbhGFQNJ (ORCPT ); Tue, 6 Jul 2021 12:13:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229975AbhGFQMi (ORCPT ); Tue, 6 Jul 2021 12:12:38 -0400 Received: from mail-qv1-xf35.google.com (mail-qv1-xf35.google.com [IPv6:2607:f8b0:4864:20::f35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86111C061766; Tue, 6 Jul 2021 09:09:54 -0700 (PDT) Received: by mail-qv1-xf35.google.com with SMTP id h18so10012165qve.1; Tue, 06 Jul 2021 09:09:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zI0GRZjgYwyGyT21DHgJgd9yo+nslisk5YT0YJaOSJg=; b=CV7UzfOrE0x12545yuQpUUo87//GT87T/tKj7Pclrg3Zf+dpmQaZlQQc5sHh0S1FjP H++bsf3k+bq/je1yRicDjWax4dRzbvxplBNfe+215Ers4FV+AeMx/jcDzwI5tiV3VxGT QrZj9sKywQmQuhkmPsXYxRSoRkJ32FbVXIFPoY2p9jkwKpXZRCG7+xxY8S+wixYS1R5Y +lGa0zeUzXVBcOF5ZDnvXzVOsS38HRh94cZba+pgsqLt50eG7na82/GoyNUErzlehByh sd0D4cFdbi8fs0Pe7CGJcCfBGCgIq7FFYvokoKsPnnR2dPFdhrhpU7haBZ0x4ghM+p1Z a92Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zI0GRZjgYwyGyT21DHgJgd9yo+nslisk5YT0YJaOSJg=; b=jXm0aIcVkTf4fayK4QysDBMXcd1e0Q36h1e0nMXkXZEDV+Ii+vtaX22zsXbWZmE4aB Y1FeB/svyy4w3gdUSqrJq6Q5la+NI0Hx8xBRJX1J8lTpcTRmpSUV2IDa8hajmlqoCntY pjrneaLTC1hSslj3NhXyrN3KA+SaavP5IATPL85N3uomcfoWginS0i8EKjZGqkrXh9cf jruytCRoUKkSOacZJJeeIgz2GKmXWyIlttAriZwc1G5gRws8MnCj1MrJ68/QXDx4DHOl 9Oew/R02Wu3aAxRdvO1U2FRUT+O4HkSdL33sAds1ALmdkgRKywT+nXZ4/wz2iUeBYkzw meGw== X-Gm-Message-State: AOAM533InsuZk3JqQ2Mwdsf2g9poXVD2EQs7orrLSKUAQAspyDwiYcxN HShVzpB/wZmKSf2kz1BBsgk= X-Google-Smtp-Source: ABdhPJwB5CRdWLIPy30DVZcv/AAM4rKoR4nBjoKoO88G4h37aYMOqWvnK9LVO4M4OUXyheCQEVyx7A== X-Received: by 2002:a0c:a90b:: with SMTP id y11mr6273129qva.28.1625587793796; Tue, 06 Jul 2021 09:09:53 -0700 (PDT) Received: from shaak.xiphos.ca (198-48-202-89.cpe.pppoe.ca. [198.48.202.89]) by smtp.gmail.com with ESMTPSA id n64sm6995371qkd.79.2021.07.06.09.09.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jul 2021 09:09:53 -0700 (PDT) From: Liam Beguin To: liambeguin@gmail.com, peda@axentia.se, jic23@kernel.org, lars@metafoo.de, pmeerw@pmeerw.net Cc: linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, robh+dt@kernel.org Subject: [PATCH v4 05/10] iio: afe: rescale: add INT_PLUS_{MICRO,NANO} support Date: Tue, 6 Jul 2021 12:09:37 -0400 Message-Id: <20210706160942.3181474-6-liambeguin@gmail.com> X-Mailer: git-send-email 2.30.1.489.g328c10930387 In-Reply-To: <20210706160942.3181474-1-liambeguin@gmail.com> References: <20210706160942.3181474-1-liambeguin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Liam Beguin Add IIO_VAL_INT_PLUS_{NANO,MICRO} scaling support. Scale the integer part and the decimal parts individually and keep the original scaling type. Signed-off-by: Liam Beguin --- drivers/iio/afe/iio-rescale.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c index ba3bdcc69b16..1d0e24145d87 100644 --- a/drivers/iio/afe/iio-rescale.c +++ b/drivers/iio/afe/iio-rescale.c @@ -89,7 +89,15 @@ static int rescale_read_raw(struct iio_dev *indio_dev, do_div(tmp, 1000000000LL); *val = tmp; return ret; + case IIO_VAL_INT_PLUS_NANO: + case IIO_VAL_INT_PLUS_MICRO: + tmp = (s64)*val * rescale->numerator; + *val = div_s64(tmp, rescale->denominator); + tmp = (s64)*val2 * rescale->numerator; + *val2 = div_s64(tmp, rescale->denominator); + return ret; default: + dev_err(&indio_dev->dev, "unsupported type %d\n", ret); return -EOPNOTSUPP; } default: -- 2.30.1.489.g328c10930387