From patchwork Thu May 28 16:54:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jishnu Prakash X-Patchwork-Id: 199818 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=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 922D9C433E0 for ; Thu, 28 May 2020 16:56:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7103B207BC for ; Thu, 28 May 2020 16:56:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="RmscZzcL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405298AbgE1Q42 (ORCPT ); Thu, 28 May 2020 12:56:28 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:26957 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405310AbgE1Q4Z (ORCPT ); Thu, 28 May 2020 12:56:25 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1590684984; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=AIpbCmMCznCXVtiVrbRFoTwG+u7mFH1W+SY+3jGOkts=; b=RmscZzcL2gdWRd4V7tHrqgkl+Ul9y3tJECdQSWpZOWPnhKc0j6vx1hpxjfekeMaV9A+aE7XJ jC/ohpFUHMk5eeFzjKSOKvKW6YHrvGDi+gTGxuWXjH3aLLs95cHhEt40gzJOU1qy9YXbK3a3 nrVudhH0qojfKh9a/Pkl1RLf/ss= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1YmJiNiIsICJkZXZpY2V0cmVlQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n05.prod.us-east-1.postgun.com with SMTP id 5ecfed382dd9e15ae3105b9e (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 28 May 2020 16:56:24 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id CA669C433A0; Thu, 28 May 2020 16:56:23 +0000 (UTC) Received: from jprakash-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jprakash) by smtp.codeaurora.org (Postfix) with ESMTPSA id 4E6B3C433AD; Thu, 28 May 2020 16:56:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 4E6B3C433AD Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=jprakash@codeaurora.org From: Jishnu Prakash To: agross@kernel.org, bjorn.andersson@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mka@chromium.org, linus.walleij@linaro.org, Jonathan.Cameron@huawei.com, andy.shevchenko@gmail.com, amit.kucheria@verdurent.com, smohanad@codeaurora.org, kgunda@codeaurora.org, aghayal@codeaurora.org, Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , linux-arm-msm@vger.kernel.org, linux-iio@vger.kernel.org Cc: linux-arm-msm-owner@vger.kernel.org, Jishnu Prakash Subject: [PATCH V6 7/7] iio: adc: Add a common read function for PMIC5 and PMIC7 Date: Thu, 28 May 2020 22:24:29 +0530 Message-Id: <1590684869-15400-8-git-send-email-jprakash@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1590684869-15400-1-git-send-email-jprakash@codeaurora.org> References: <1590684869-15400-1-git-send-email-jprakash@codeaurora.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add a common function used for read_raw callback for both PMIC5 and PMIC7 ADCs. Signed-off-by: Jishnu Prakash --- drivers/iio/adc/qcom-spmi-adc5.c | 53 +++++++++++++++++++--------------------- 1 file changed, 25 insertions(+), 28 deletions(-) diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c index 0f9af66..fe49741 100644 --- a/drivers/iio/adc/qcom-spmi-adc5.c +++ b/drivers/iio/adc/qcom-spmi-adc5.c @@ -449,6 +449,13 @@ static int adc7_do_conversion(struct adc5_chip *adc, return ret; } +struct adc_do_conversion { + int (*adc_do_conversion)(struct adc5_chip *adc, + struct adc5_channel_prop *prop, + struct iio_chan_spec const *chan, + u16 *data_volt, u16 *data_cur); +}; + static irqreturn_t adc5_isr(int irq, void *dev_id) { struct adc5_chip *adc = dev_id; @@ -487,9 +494,9 @@ static int adc7_of_xlate(struct iio_dev *indio_dev, return -EINVAL; } -static int adc5_read_raw(struct iio_dev *indio_dev, +static int adc_read_raw_common(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, - long mask) + long mask, struct adc_do_conversion do_conv) { struct adc5_chip *adc = iio_priv(indio_dev); struct adc5_channel_prop *prop; @@ -500,8 +507,8 @@ static int adc5_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_PROCESSED: - ret = adc5_do_conversion(adc, prop, chan, - &adc_code_volt, &adc_code_cur); + ret = do_conv.adc_do_conversion(adc, prop, chan, + &adc_code_volt, &adc_code_cur); if (ret) return ret; @@ -518,36 +525,26 @@ static int adc5_read_raw(struct iio_dev *indio_dev, } } -static int adc7_read_raw(struct iio_dev *indio_dev, +static int adc5_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) { - struct adc5_chip *adc = iio_priv(indio_dev); - struct adc5_channel_prop *prop; - u16 adc_code_volt, adc_code_cur; - int ret; - - prop = &adc->chan_props[chan->address]; - - switch (mask) { - case IIO_CHAN_INFO_PROCESSED: - ret = adc7_do_conversion(adc, prop, chan, - &adc_code_volt, &adc_code_cur); - if (ret) - return ret; + struct adc_do_conversion do_conv; - ret = qcom_adc5_hw_scale(prop->scale_fn_type, - &adc5_prescale_ratios[prop->prescale], - adc->data, - adc_code_volt, val); + do_conv.adc_do_conversion = adc5_do_conversion; + return adc_read_raw_common(indio_dev, chan, val, val2, + mask, do_conv); +} - if (ret) - return ret; +static int adc7_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, int *val, int *val2, + long mask) +{ + struct adc_do_conversion do_conv; - return IIO_VAL_INT; - default: - return -EINVAL; - } + do_conv.adc_do_conversion = adc7_do_conversion; + return adc_read_raw_common(indio_dev, chan, val, val2, + mask, do_conv); } static const struct iio_info adc5_info = {