From nobody Sat Feb 7 17:41:53 2026 Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) (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 0ACD226561E for ; Wed, 4 Feb 2026 13:36:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.43 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770212214; cv=none; b=V04E7K9dxpGu3HZhYwxGsZbOai8QepQbRWPCPOYIG4i5m1cHo9wMHmyKnXav23N7WDaWDqyhMDQmCK1e8uvN8Ywy4vHFWBERnP+VWCpGPCY2/gByxgSTtRdyhYaEjrmQpPKEKbfXqvkxnTlK+ljhvAxYZmFuKdXFDwqQWpIcKrQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770212214; c=relaxed/simple; bh=f/iHOSt98VEql9k83HDuNZJgnWlJD811sHLH6piWGKU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=dhA+sMRpiq1hyx3ntPV9/+ClGTrKKLFuhgwOYRElj2/Pr5tetF9Th+GGWvX7ogFX+wDxuiz46wMUhrU3L/06ndUk9MNGoTljelzhWzje+4N4wejGZRETLEUQnA3b6Y/MosVk2PePxoJaqAKatfqsFSU2Zwf+qen0DefK8tdimss= 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=cUAk+Yum; arc=none smtp.client-ip=209.85.128.43 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cUAk+Yum" Received: by mail-wm1-f43.google.com with SMTP id 5b1f17b1804b1-4801d7c72a5so53458135e9.0 for ; Wed, 04 Feb 2026 05:36:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1770212212; x=1770817012; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=HObmXU3uBvxhP6GM9bDdwOd15Fnf+3qnP+5Sq0FpP0k=; b=cUAk+YumvPJk6Myzv05e0EXNBF42SuMTH2mI4BDTI+XiKEJ5mN7pcYBRX1E707MtCP s0rc/NSMWbpbQ6ZOPVIVrQO6q6x/5Gn015S+R3dh0LBC7D1gcMSfYWk86C6E2/kY/05/ j2Znrp4GK9GIIyG/UZRGJ5vVwS6vl8b14qCMS5IonF9lCroAm8YnMNVEIhAO18aAl4GX 1bJdsICoeYWj0zUfov1Rf56/+zeaNEt0+gIzX8OQ6/D3Eg5XaclSXfDq+Dj71yGiAONy akX10BLCOKc3eqwu7W8lQ1y5LK70xFxslwYxyWYENzDh3v0PL5YoU+sXdGeRjoL3wJY9 kz+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770212212; x=1770817012; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=HObmXU3uBvxhP6GM9bDdwOd15Fnf+3qnP+5Sq0FpP0k=; b=dbVKubL2HeQCqCsvXk0yMM7/ADlp7bj+/RqUCK6UEQDXVtQnl0nmZHA9CKzTpMMlct TzmWUw/PGHevuNpp4bjDYIkxWzt2VbQGFA8KNCiW5dB2etH4eUEnpmRXLQ8sjGhN4Xvw d9tEYkjckXVmAVm+TXu6wdJjqKneDFSk293a6Sfmxij6DhY/JxBed+tlTP2HhSSHC6wk 46fuSlm8zqYrwsMQ8uXtRMBgOwlDnjzmpqycWhf8fGZWybLTqzE7/jUFoPgTiHt2oe9q KYQus9TXB7K0ihQgQq+dOfS3zRP7x+bNwKn+oLg5ObSkKcvHYgApLuqDyfe1niu1/wod rFXw== X-Forwarded-Encrypted: i=1; AJvYcCVahPVyjbInig8HCesg4k7Tcr8z8WjNddDZdjuFmug6rPKKkO3dQzUoARnTZ60EGB3GwCu+utVdNSYveZI=@vger.kernel.org X-Gm-Message-State: AOJu0YyJkF4mgoM/nU01v8KSBxqlRe/e+Vd9Wnx/qH/Fqf2jaNvi9ZTE f+1KSqzWFz9UXBZ9f/kEXSGD3Hr71OGFA4GQ3uJhonUaPNrBH22God7p3gwByw== X-Gm-Gg: AZuq6aKRbckXVkE7mXb77MXNkVyfNL0tSzFNB2HAAoj0V8GUuf1yewNxBoOZ+0k7ASu R4ZgVa87l9Yp+NgEuqu9uKwFJ/q7IhleHE5OcpJ2F9RHwRp0ouLHT0xhDFW/BmvC99bOmppJaBA aK5ZSvhP4sZRAuZTsu5pE4XAeqTr2OvjqHyrQmhpsMGpr3eKuQCNt0w5VFiTBgu1NshjPRpfPUP V12NPyeFOkWV4FeI6nNYfP1SGguWVQbi1K2345dhIOw/x43wWarkZdUGrn4TtYlGXcGXO/MbRHd 7HTeg9Xaz0qwoI23VocWCnT9NFeYgUQ9K8LaA3iK3fROL0KREl6JuJFxocGIV7pq696+RD91wAa LYQqdGshffhuIIocYDm0RHb9m33GrRVw2DBWbtI75qnDWJtPIVHaQF1HG+sEva9blYivxvcq/o1 6nXfhy15NGbldlR/erZ1mtsZBoI3ZDTQ6AjspbaD5rIspG593DjIKSCku7g9SzvANE6RI= X-Received: by 2002:a05:600c:1f16:b0:47e:e71a:e13a with SMTP id 5b1f17b1804b1-4830e987b7fmr40251235e9.32.1770212212107; Wed, 04 Feb 2026 05:36:52 -0800 (PST) Received: from chris-laptop.localdomain ([195.21.90.46]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-483108e3ed5sm35389725e9.5.2026.02.04.05.36.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Feb 2026 05:36:51 -0800 (PST) From: Chris Spencer To: jic23@kernel.org Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, vassilisamir@gmail.com, Chris Spencer Subject: [PATCH v2] iio: chemical: bme680: Fix measurement wait duration calculation Date: Wed, 4 Feb 2026 13:36:13 +0000 Message-ID: <20260204133636.29361-1-spencercw@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This function refers to the Bosch BME680 API as the source of the calculation, but one of the constants does not match the Bosch implementation. This appears to be a simple transposition of two digits, resulting in a wait time that is too short. This can cause the following 'device measurement cycle incomplete' check to occasionally fail. Fixes: 4241665e6ea0 ("iio: chemical: bme680: Fix sensor data read operation= ") Link: https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x= .c#L521 Signed-off-by: Chris Spencer Acked-by: Vasileios Amoiridis --- v2: add Acked-by: Vasileios --- drivers/iio/chemical/bme680_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme6= 80_core.c index 70f81c4a96ba..24e0b59e2fdf 100644 --- a/drivers/iio/chemical/bme680_core.c +++ b/drivers/iio/chemical/bme680_core.c @@ -613,7 +613,7 @@ static int bme680_wait_for_eoc(struct bme680_data *data) * + heater duration */ int wait_eoc_us =3D ((data->oversampling_temp + data->oversampling_press + - data->oversampling_humid) * 1936) + (477 * 4) + + data->oversampling_humid) * 1963) + (477 * 4) + (477 * 5) + 1000 + (data->heater_dur * 1000); =20 fsleep(wait_eoc_us); --=20 2.43.0