From patchwork Sun Apr 2 16:42:43 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: 13197457 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 88646C761AF for ; Sun, 2 Apr 2023 16:43:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230514AbjDBQn3 (ORCPT ); Sun, 2 Apr 2023 12:43:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230454AbjDBQn2 (ORCPT ); Sun, 2 Apr 2023 12:43:28 -0400 Received: from ste-pvt-msa1.bahnhof.se (ste-pvt-msa1.bahnhof.se [213.80.101.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03E2BEB73; Sun, 2 Apr 2023 09:43:25 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by ste-pvt-msa1.bahnhof.se (Postfix) with ESMTP id EC0DF3F6EF; Sun, 2 Apr 2023 18:43:23 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at bahnhof.se Authentication-Results: ste-pvt-msa1.bahnhof.se (amavisd-new); dkim=pass (2048-bit key) header.d=dalakolonin.se Received: from ste-pvt-msa1.bahnhof.se ([127.0.0.1]) by localhost (ste-pvt-msa1.bahnhof.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xfPpf1fz_h0h; Sun, 2 Apr 2023 18:43:23 +0200 (CEST) Received: by ste-pvt-msa1.bahnhof.se (Postfix) with ESMTPA id 1AD883F42D; Sun, 2 Apr 2023 18:43:23 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTP id DB31C937B1; Sun, 2 Apr 2023 16:43:22 +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 HFoiwCDHRIdH; Sun, 2 Apr 2023 16:43:18 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTP id AFCBF93789; Sun, 2 Apr 2023 16:43:17 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.10.3 zimbra.dalakolonin.se AFCBF93789 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dalakolonin.se; s=D374B428-D0A7-11ED-A657-75977B426508; t=1680453797; bh=+IL/VOJpx/Evc5dCgWk5x3rUwfJq8dsip/nY6cvyErU=; h=From:To:Date:Message-Id:MIME-Version; b=a8t6789mmQI+9K7R7vspArIyig1h3/guiDMqemD6XbVOkVt96pM2DQbeElPmdAaCS Zbn89NSIsJpemC3pUfWhYLaLWHZDZZKzdRxiD1jX01SWnkKstzf81ZkguMXg/Zsy1d skUFy5E4GyEpwTG0Txs188eIpJOzzyrFWRFUeTCjz2a+KSIfZ/ySw8PJJpiLdBCFdG +vkFSEVOwoi1otzamI9gfO670CZfkf3XVdhbRgaGcCps3pUK2lTpG5RV3DrbYyL2KT zEbxTvAGiBbFYpRXmlI1CLSj5BD7YDJ/eX+YAZ3LDwhJoUNy5OMbOgqZFKmbGLcoJP WgEcQBbdaxVLQ== 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 BrBSvqf0_VYi; Sun, 2 Apr 2023 16:43:17 +0000 (UTC) Received: from rack-server-1.dalakolonin.se (unknown [172.17.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTPSA id 5B46F9377C; Sun, 2 Apr 2023 16:43:17 +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 v2 3/7] iio: adc: palmas: use iio_event_direction for threshold polarity Date: Sun, 2 Apr 2023 18:42:43 +0200 Message-Id: <20230402164247.3089146-4-risca@dalakolonin.se> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230402164247.3089146-1-risca@dalakolonin.se> References: <20230402164247.3089146-1-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 3ef0e1c08c8b..fca455a4285e 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; }; /* @@ -617,16 +617,21 @@ 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, @@ -648,16 +653,21 @@ 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,