From patchwork Sun Mar 3 16:52:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasileios Amoiridis X-Patchwork-Id: 209322 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:fa17:b0:10a:f01:a869 with SMTP id ju23csp1000614dyc; Sun, 3 Mar 2024 08:53:53 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCUIwbEWBkhr+mxynU7umbxT7MTNOxKx+fsim/qGr/+mpbOBwrOvxtpcD+HV6vUV0XSASmFVhz3RJzEvZHzCqrFjamyqcw== X-Google-Smtp-Source: AGHT+IHkSfbxysNwSgrEMD4kOV8Y5NiNBDwVEq+1W8FkY+JCnNVPYR2oFGNbbg5dEQvCeL4DyEgP X-Received: by 2002:a17:90a:c08c:b0:29b:25ba:2586 with SMTP id o12-20020a17090ac08c00b0029b25ba2586mr9329540pjs.15.1709484833552; Sun, 03 Mar 2024 08:53:53 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1709484833; cv=pass; d=google.com; s=arc-20160816; b=lUv16vZQHF8nXKHa3iqt28zdW8PZxnX4Jh8PYXICetDPw4NzEnd9xpak3A6ONCoeIY pd70IUl2mEQ2ZRmcXrk+ZGRrPkQikdEmT55rm3Otjj5KSeL2REblx34nteLWL9CRDPm3 K2VPUPQsNoHIwiwij2DCVBPDMumhNJeBhha41M0Z/LjW2vnc49MITqvL9bOmzJUgFnFE jLUmjXDjzEIa/MHTIXtSZnCY6TpDIdMEBNnIot8czEC6OoV/MzLKsJhSZHRxauiYeSrA dRSY8HvKYrof7G6giG6LDHXyQr7i3V8Oqm1tYWph6cw0t9PJhtFBg7qxxRtf8Ew05Z6r xrZw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=VRG8TNmENP/pTcySnhHli+1ouRQdj2vqC4wgPeKT1sQ=; fh=tDiIABUQYbxewUrQAZajSEPBcEx+IKKBMWKol/4GcHU=; b=YhYpaZx61m0VJypvQ6Ta8heEQhnG+AkYtA15z0QikWLX4EUm3jpwBH1fHu7R6dCqSO CZUns79wZZwyePm+8B0nor5I1tc/nbCfFNwVSpfZ4JX9LNvoUAXXUQIwUneB+lZdt6Uq NXkcqMFXeebGiiduC1zaTFTjf7JoSP/jqXX8sjJ4hjjjQ0t3N4ivlqnPN2wE55Y/cOk7 wC2bsnkjR7csVYj5obcuWMIuHvRcGh/c5pwAbh/Gb6UKzQtmD8KNV1EuMRPSHlkPYhh3 NzAVVhLjjQWyVQevFMU/iHczodARx1ht2z7P9k/ZlUYqq4nMBbQ3eHItVOrkdKgd+YU7 KbhQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=fvFvC23s; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-89831-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-89831-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id m12-20020a17090a34cc00b00296890c7545si9208932pjf.161.2024.03.03.08.53.53 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Mar 2024 08:53:53 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-89831-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=fvFvC23s; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-89831-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-89831-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 616B8286634 for ; Sun, 3 Mar 2024 16:53:53 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 9E6686EB41; Sun, 3 Mar 2024 16:53:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fvFvC23s" Received: from mail-ej1-f45.google.com (mail-ej1-f45.google.com [209.85.218.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 060FC6E5EC; Sun, 3 Mar 2024 16:53:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709484790; cv=none; b=YL1jkRdIYzrGht0wyr2RcpCqVowJMsKe09joV1FTWatIIY6kOI8zqXzubDtu4IYyjwAu2cL0c1mMvzLjeYW5j6ORsCFTbcN7yxWKYlI8XonL65o5uhy/6fa2gg9s3g2EPnhT5WK3zomNyYdFLjjfdF/9nbqEUqCfjOW3wLBSIKQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709484790; c=relaxed/simple; bh=jVXy9lioZ8kjlYkytLDO0ybrYl1qAi+3ZwTGHGj4x7Y=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=RSPV4XPYXZ9nsqevDV0j6Q2Es1/Hj8pUx62L3Xr/nJaSqLVA77WIMQu9EAY2iD9VF6RwDAatk3gW/GdiIedfmR5TCbEn5E44pZeWI6xrHwAe7lthLNCTKHYxw5c4B5MxOWzOYZfTtR1K42whLjd8AYrx5FCg+Ior8aFh2F/V0/M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=fvFvC23s; arc=none smtp.client-ip=209.85.218.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ej1-f45.google.com with SMTP id a640c23a62f3a-a36126ee41eso576598566b.2; Sun, 03 Mar 2024 08:53:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1709484787; x=1710089587; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=VRG8TNmENP/pTcySnhHli+1ouRQdj2vqC4wgPeKT1sQ=; b=fvFvC23sSjn9beHvqIg3pcnROzEFwA/9/fi/qX3ThqPacBk9jEZa4kxA9EzOzPOZ9g yYHH65jgYGGfB1Zem9B46tQNQCUXe/7WKgBGc7AE5zX40nRPEY0M3d4hzKOc+KPcKVMB DHSkOI8w+qz8Fk/i1E0hSSkAtJobQyzAriq70x/1yux7fb/VFcwv4CIuC1p6BTk4sAL0 Hsax//rjuHwo2t5NvMjA+ieXL3RNtfkwdCgFfc243hm29oeK7fg65RqnnSZoWLtuj/VH Pd6oVkZl/iPURnpdscxWieMCcPkN7lni2HgQT9/Rv7nzF23wMIvQeBlwTftzIM6OTSpi fa2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709484787; x=1710089587; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VRG8TNmENP/pTcySnhHli+1ouRQdj2vqC4wgPeKT1sQ=; b=nxV2e1UeAELg6iKsPSite2jQWRbo3uWtK2Y4ODdGYTVn2C+hKZgMnx2sN2KR1yS9y+ OYV7OaCM8bDeuYjSmtkkLfSxM5iLD5xPtPfba3m8unuLrAn8kunMSEhN9CWCcaYGNt5I apQmQ6mbnWBb0t9ZSbKDZ43/OVFFtvwzJ0sVuggba62jBw2lOSsZl/tdRcfrWyCZNcra xgIwj6cjX+CAbwhuC53CEu0LvkuQfPmbxhvdqnkdFOuvHU9UUoewKFOd70YXon0Z/tCh +NWbgexly2/ioeDPhE9DZ+VkKPJY23jwMY1v9vFurZnRK3xYHPLWrR149KOa3Pv0ZbHp 5uXA== X-Forwarded-Encrypted: i=1; AJvYcCXlcLlxcVJ0pGb3GbQLORjGsV8w/cQS6XqQ8CRIfbQVgeNBWdAJAEDnZGkIj7SuFkbhSki/S7Pbgp0vv2xNTc29vB8Fr+slYUNPKwQRxCSbH2FENMii38v5QZgWnJy8Wh2rs4hxmpwN X-Gm-Message-State: AOJu0Yx71okllLln16AVqL78+Nufxp6RC8eE8fRH8nltY1DDIsmIeLpH 0G59PLoK1ZKhJUqtIslo/3U3WfsbJpQLlYNATLjiXVnbPxTbQaYvfGrOWUsotSUVcurC X-Received: by 2002:a17:906:2411:b0:a44:e92:ebcb with SMTP id z17-20020a170906241100b00a440e92ebcbmr5005844eja.21.1709484787156; Sun, 03 Mar 2024 08:53:07 -0800 (PST) Received: from localhost.localdomain ([2a04:ee41:82:7577:d4e3:724b:4d69:34b2]) by smtp.gmail.com with ESMTPSA id lh15-20020a170906f8cf00b00a44f14c8d64sm1413992ejb.135.2024.03.03.08.53.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Mar 2024 08:53:06 -0800 (PST) From: Vasileios Amoiridis To: jic23@kernel.org Cc: lars@metafoo.de, andriy.shevchenko@linux.intel.com, ang.iglesiasg@gmail.com, mazziesaccount@gmail.com, ak@it-klinger.de, petre.rodan@subdimension.ro, phil@raspberrypi.com, 579lpy@gmail.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Vasileios Amoiridis Subject: [PATCH 2/4] iio: pressure: Add scale value for channels Date: Sun, 3 Mar 2024 17:52:58 +0100 Message-Id: <20240303165300.468011-3-vassilisamir@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240303165300.468011-1-vassilisamir@gmail.com> References: <20240303165300.468011-1-vassilisamir@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792524768751633053 X-GMAIL-MSGID: 1792524768751633053 Add extra IIO_CHAN_INFO_SCALE in order to be able to have the scales for the values in userspace. Can be used for triggered buffers. Signed-off-by: Vasileios Amoiridis --- drivers/iio/pressure/bmp280-core.c | 70 ++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c index 29a8b7195076..acdf6138d317 100644 --- a/drivers/iio/pressure/bmp280-core.c +++ b/drivers/iio/pressure/bmp280-core.c @@ -138,16 +138,19 @@ static const struct iio_chan_spec bmp280_channels[] = { { .type = IIO_PRESSURE, .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), }, { .type = IIO_TEMP, .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), }, { .type = IIO_HUMIDITYRELATIVE, .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), }, }; @@ -156,6 +159,7 @@ static const struct iio_chan_spec bmp380_channels[] = { { .type = IIO_PRESSURE, .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ) | BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), @@ -163,6 +167,7 @@ static const struct iio_chan_spec bmp380_channels[] = { { .type = IIO_TEMP, .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ) | BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), @@ -170,6 +175,7 @@ static const struct iio_chan_spec bmp380_channels[] = { { .type = IIO_HUMIDITYRELATIVE, .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ) | BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), @@ -487,6 +493,70 @@ static int bmp280_read_raw(struct iio_dev *indio_dev, break; } break; + case IIO_CHAN_INFO_SCALE: + switch (chan->type) { + case IIO_HUMIDITYRELATIVE: + if (!strcmp(indio_dev->name, "bme280")) { + *val = 1000; + *val2 = 1024; + ret = IIO_VAL_FRACTIONAL; + } else { + ret = -EINVAL; + } + break; + case IIO_PRESSURE: + if ((!strcmp(indio_dev->name, "bmp085")) || + (!strcmp(indio_dev->name, "bmp180")) || + (!strcmp(indio_dev->name, "bmp181"))) { + *val = 1; + *val2 = 1000; + ret = IIO_VAL_FRACTIONAL; + } else if ((!strcmp(indio_dev->name, "bmp280")) || + (!strcmp(indio_dev->name, "bme280"))) { + *val = 1; + *val2 = 256000; + ret = IIO_VAL_FRACTIONAL; + } else if (!strcmp(indio_dev->name, "bmp380")) { + *val = 1; + *val2 = 100000; + ret = IIO_VAL_FRACTIONAL; + } else if (!strcmp(indio_dev->name, "bmp580")) { + *val = 1; + *val2 = 64000; + ret = IIO_VAL_FRACTIONAL; + } else { + ret = -EINVAL; + } + break; + case IIO_TEMP: + if ((!strcmp(indio_dev->name, "bmp085")) || + (!strcmp(indio_dev->name, "bmp180")) || + (!strcmp(indio_dev->name, "bmp181"))) { + *val = 100; + *val2 = 1; + ret = IIO_VAL_FRACTIONAL; + } else if ((!strcmp(indio_dev->name, "bmp280")) || + (!strcmp(indio_dev->name, "bme280"))) { + *val = 10; + *val2 = 1; + ret = IIO_VAL_FRACTIONAL; + } else if (!strcmp(indio_dev->name, "bmp380")) { + *val = 10; + *val2 = 1; + ret = IIO_VAL_FRACTIONAL; + } else if (!strcmp(indio_dev->name, "bmp580")) { + *val = 1000; + *val2 = 16; + ret = IIO_VAL_FRACTIONAL_LOG2; + } else { + ret = -EINVAL; + } + break; + default: + ret = -EINVAL; + break; + } + break; case IIO_CHAN_INFO_OVERSAMPLING_RATIO: switch (chan->type) { case IIO_HUMIDITYRELATIVE: