From patchwork Fri Jan 24 22:03:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Heidelberg X-Patchwork-Id: 11351103 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0F52B1580 for ; Fri, 24 Jan 2020 22:14:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E273D2071A for ; Fri, 24 Jan 2020 22:14:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728731AbgAXWN6 (ORCPT ); Fri, 24 Jan 2020 17:13:58 -0500 Received: from ip-78-45-52-129.net.upcbroadband.cz ([78.45.52.129]:33206 "EHLO ixit.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727264AbgAXWN6 (ORCPT ); Fri, 24 Jan 2020 17:13:58 -0500 Received: from localhost.localdomain (227.146.230.94.awnet.cz [94.230.146.227]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ixit.cz (Postfix) with ESMTPSA id 278BC251E0; Fri, 24 Jan 2020 23:04:12 +0100 (CET) From: David Heidelberg To: linux-iio@vger.kernel.org Cc: David Heidelberg Subject: [PATCH 1/7] iio: light: al3320a slightly improve code formatting Date: Fri, 24 Jan 2020 23:03:40 +0100 Message-Id: <20200124220346.2655336-1-david@ixit.cz> X-Mailer: git-send-email 2.25.0 MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Modified to be in part with al3010 driver. Signed-off-by: David Heidelberg --- drivers/iio/light/al3320a.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c index a21aa99e74e4..613830b7df6e 100644 --- a/drivers/iio/light/al3320a.c +++ b/drivers/iio/light/al3320a.c @@ -38,6 +38,11 @@ #define AL3320A_GAIN_SHIFT 1 #define AL3320A_GAIN_MASK (BIT(2) | BIT(1)) +#define AL3320A_GAIN_READ(g) \ + (((g) & AL3320A_GAIN_MASK) >> AL3320A_GAIN_SHIFT) +#define AL3320A_GAIN_WRITE(g) \ + (((g) << AL3320A_GAIN_SHIFT) & AL3320A_GAIN_MASK) + /* chip params default values */ #define AL3320A_DEFAULT_MEAN_TIME 4 @@ -90,7 +95,7 @@ static int al3320a_init(struct al3320a_data *data) return ret; ret = i2c_smbus_write_byte_data(data->client, AL3320A_REG_CONFIG_RANGE, - AL3320A_RANGE_3 << AL3320A_GAIN_SHIFT); + AL3320A_GAIN_WRITE(AL3320A_RANGE_3)); if (ret < 0) return ret; @@ -133,7 +138,7 @@ static int al3320a_read_raw(struct iio_dev *indio_dev, if (ret < 0) return ret; - ret = (ret & AL3320A_GAIN_MASK) >> AL3320A_GAIN_SHIFT; + ret = AL3320A_GAIN_READ(ret); *val = al3320a_scales[ret][0]; *val2 = al3320a_scales[ret][1]; @@ -152,11 +157,13 @@ static int al3320a_write_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_SCALE: for (i = 0; i < ARRAY_SIZE(al3320a_scales); i++) { - if (val == al3320a_scales[i][0] && - val2 == al3320a_scales[i][1]) - return i2c_smbus_write_byte_data(data->client, - AL3320A_REG_CONFIG_RANGE, - i << AL3320A_GAIN_SHIFT); + if (val != al3320a_scales[i][0] || + val2 != al3320a_scales[i][1]) + continue; + + return i2c_smbus_write_byte_data(data->client, + AL3320A_REG_CONFIG_RANGE, + AL3320A_GAIN_WRITE(i)); } break; }