From patchwork Wed Apr 5 21:22:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= X-Patchwork-Id: 13202551 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F513C77B6C for ; Wed, 5 Apr 2023 21:23:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234373AbjDEVXV (ORCPT ); Wed, 5 Apr 2023 17:23:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234251AbjDEVXS (ORCPT ); Wed, 5 Apr 2023 17:23:18 -0400 Received: from pio-pvt-msa2.bahnhof.se (pio-pvt-msa2.bahnhof.se [79.136.2.41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8D1E61BF; Wed, 5 Apr 2023 14:23:09 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by pio-pvt-msa2.bahnhof.se (Postfix) with ESMTP id 3AD023F4DA; Wed, 5 Apr 2023 23:23:07 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at bahnhof.se Authentication-Results: pio-pvt-msa2.bahnhof.se (amavisd-new); dkim=pass (2048-bit key) header.d=dalakolonin.se Received: from pio-pvt-msa2.bahnhof.se ([127.0.0.1]) by localhost (pio-pvt-msa2.bahnhof.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id t_WA2Mg8pMkx; Wed, 5 Apr 2023 23:23:06 +0200 (CEST) Received: by pio-pvt-msa2.bahnhof.se (Postfix) with ESMTPA id 7FA1B3F3A9; Wed, 5 Apr 2023 23:23:06 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTP id D88F094DFA; Wed, 5 Apr 2023 21:23:05 +0000 (UTC) Received: from zimbra.dalakolonin.se ([127.0.0.1]) by localhost (zimbra.dalakolonin.se [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id B7jsiih08e8c; Wed, 5 Apr 2023 21:22:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTP id CEA1694DD9; Wed, 5 Apr 2023 21:22:54 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.10.3 zimbra.dalakolonin.se CEA1694DD9 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dalakolonin.se; s=D374B428-D0A7-11ED-A657-75977B426508; t=1680729774; bh=8oCsKoWj+OT4dqdz4wKUl0ESprUGM0ZozVBAf1AeyA0=; h=From:To:Date:Message-Id:MIME-Version; b=pq5LjY4swcA7YwZoss5qZBn7Fk1BvLJhUJIuWLkUq5nm3e2Igysq6O8u1JGxWl8B7 kiBoE6wPmAiRbGO+c3Y/2+2xyNuht2Zi6siVsMMczPUPLrQJ9CZreWGJ8BV0/MnVfA p+sDlXcrEFImDUeu9htb3XfZCm7p1NewTd9BflLVy/ZKpx7TGAVo35iLxr23U5h3Pr x4i6ZiYwmYS8jVAOJpitJx7HQnx6LlZJetTiaTT1AJCRB9wmflCHo5oBLbftDENzfQ 8Z6aS1Ucd7TbDiV4c+G2yiihihHquGNn+KvLMbYV6Q/5+HcBkjQRBZkqg6jD50rCmn F88yrunmXTnzw== X-Virus-Scanned: amavisd-new at dalakolonin.se Received: from zimbra.dalakolonin.se ([127.0.0.1]) by localhost (zimbra.dalakolonin.se [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id Uv4ko-kqoacb; Wed, 5 Apr 2023 21:22:54 +0000 (UTC) Received: from rack-server-1.dalakolonin.se (unknown [172.17.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTPSA id BD65F94DD6; Wed, 5 Apr 2023 21:22:53 +0000 (UTC) From: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= To: linux-iio@vger.kernel.org Cc: linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, kernel@pyra-handheld.com, pgoudagunta@nvidia.com, hns@goldelico.com, jic23@kernel.org, lars@metafoo.de, linux-omap@vger.kernel.org, =?utf-8?q?Pa?= =?utf-8?q?trik_Dahlstr=C3=B6m?= Subject: [PATCH v3 3/7] iio: adc: palmas: use iio_event_direction for threshold polarity Date: Wed, 5 Apr 2023 23:22:29 +0200 Message-Id: <20230405212233.4167986-4-risca@dalakolonin.se> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230405212233.4167986-1-risca@dalakolonin.se> References: <20230405212233.4167986-1-risca@dalakolonin.se> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Instead of having high_threshold > 0 as an indicator for upper threshold event and lower threshold event otherwise, use enum iio_event_direction instead. This is hopefully less ambiguous. Signed-off-by: Patrik Dahlström --- drivers/iio/adc/palmas_gpadc.c | 36 ++++++++++++++++++++++------------ 1 file changed, 23 insertions(+), 13 deletions(-) diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c index 55fdf59ef711..205a7628b235 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -77,9 +77,9 @@ static struct palmas_gpadc_info palmas_gpadc_info[] = { }; struct palmas_adc_event { - int adc_channel_number; - int adc_high_threshold; - int adc_low_threshold; + int channel; + int raw_thresh; + enum iio_event_direction direction; }; /* @@ -618,16 +618,21 @@ static int palmas_adc_configure_events(struct palmas_gpadc *adc) conv = 0; if (adc->event0_enable) { + struct palmas_adc_event *ev = &adc->event0; int polarity; - ch0 = adc->event0.adc_channel_number; + ch0 = ev->channel; + thres = ev->raw_thresh; conv |= PALMAS_GPADC_AUTO_CTRL_AUTO_CONV0_EN; - if (adc->event0.adc_high_threshold > 0) { - thres = adc->event0.adc_high_threshold; + switch (ev->direction) { + case IIO_EV_DIR_RISING: polarity = 0; - } else { - thres = adc->event0.adc_low_threshold; + break; + case IIO_EV_DIR_FALLING: polarity = PALMAS_GPADC_THRES_CONV0_MSB_THRES_CONV0_POL; + break; + default: + return -EINVAL; } ret = palmas_write(adc->palmas, PALMAS_GPADC_BASE, @@ -649,16 +654,21 @@ static int palmas_adc_configure_events(struct palmas_gpadc *adc) } if (adc->event1_enable) { + struct palmas_adc_event *ev = &adc->event1; int polarity; - ch1 = adc->event1.adc_channel_number; + ch1 = ev->channel; + thres = ev->raw_thresh; conv |= PALMAS_GPADC_AUTO_CTRL_AUTO_CONV1_EN; - if (adc->event1.adc_high_threshold > 0) { - thres = adc->event1.adc_high_threshold; + switch (ev->direction) { + case IIO_EV_DIR_RISING: polarity = 0; - } else { - thres = adc->event1.adc_low_threshold; + break; + case IIO_EV_DIR_FALLING: polarity = PALMAS_GPADC_THRES_CONV1_MSB_THRES_CONV1_POL; + break; + default: + return -EINVAL; } ret = palmas_write(adc->palmas, PALMAS_GPADC_BASE,