From nobody Sat Feb 7 22:55:18 2026 Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) (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 0216421FF5F for ; Mon, 2 Feb 2026 07:41:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770018076; cv=none; b=H6J7cTFGyUsssXLHHAR6ON11iY0y/zE6GU0v3Lo2x9S1XTwCI8Fn6CRO9oCvvNSO5yK7kB7MkWogrKjfyTRZmcJxIN9aWeVxf4dhV8UektNxAzOeH+/y/y+D5TpzaurKG+MAxdhOKkNzM4iEtU+R5A4oWhGRRPhG/ychKFCrv38= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770018076; c=relaxed/simple; bh=pzz/JBzBg3f9XU0JcyAwWBdi4oIU4sKgoV3HmdZjLXM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=VO6wUiUEzdffEz/EfHqRkGVyKXfXn7X+GzZil+n0B33wOjcEB2xTV3NEncD74/xg5C6fz3BFE/bqaFwxAhDzOz5tANW5REBeL3cwq1wgLAQXKueZSUuca9S6mqkC8GwPhROFfmU4qH/ZlsjeQSbHt9LMj7eqprQNQ3fD8DX49gc= 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=KpL/VgPQ; arc=none smtp.client-ip=209.85.128.41 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="KpL/VgPQ" Received: by mail-wm1-f41.google.com with SMTP id 5b1f17b1804b1-48069a48629so42408665e9.0 for ; Sun, 01 Feb 2026 23:41:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1770018073; x=1770622873; 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=HoxUZLsQeBIQDd5f6nNmuNArij5mh0WW2KR678veF/U=; b=KpL/VgPQMnuR1Gb0VjpAne/74coHJlgfHGZkgG1oiRU+aNoeYSm8qjg4nn+GTu1d9Y r1PZnC6Dodcyis8qlCFTp3CqrjEwwwwODglBwl2CETkdTC3Ery2T16KNfSD3DbVed/cB /6Ur0u/ycByIOYOLb3xuGQU1hmT5fTWAxxBMR5LEw3Zlt7x8RkpiUFoYFOq5G9gzLtWp mTBifDOojrGlyg9FWHlOYT12wVwLfi90J5HlgxOyi2KJW3vKKEa77n0TcMF7j2PVFD33 eVp3LhbJWnI0Xz/pw396RAs7o6ZOXkkx3im5NnIaa0JFN/UbzIwNsvwDo6GhRBEC0lTJ N48A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770018073; x=1770622873; 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=HoxUZLsQeBIQDd5f6nNmuNArij5mh0WW2KR678veF/U=; b=V18XlJ0Juq/B4nP7jpqOMsrujFb2LkgiLGPyYySd7xm9Ti5VT31OhWr7x7da6fRSK5 AybT3RkTXFouBZr8M1+7w8hXoR67f/srVv7WOo0cSvZlalAJ5Yh5J1xrq00YzSVrCZo0 sx7Pw9blFw1IdUhFe0+bObZw4e+DLByyUBM6Itv3G49JVkPwA7YYot+Zj3JvHlguUog+ J/tmumsq0Y8499qFWZEEWSmqEzsfrFQqyeooVDsH1cX5z//69eooUqm4pviXCLb8kE/k k2xhSFkO/pxDk1txcgSbcZcJ1jXRGK3MjGQIBtaWtBirQVWQ8NJ4585L0yVHwhY5lPyF Zxfw== X-Forwarded-Encrypted: i=1; AJvYcCUt3JdFw5qmHl0q8AtMAn+I8OoeM0vqBrzd105NHqimHJ0APvf6DUwhCGQWnHDmNofdWaBzg1EiTxGp9H0=@vger.kernel.org X-Gm-Message-State: AOJu0YzEtWhH3W/BnZzWXiinDFJ/Ac2erJuwedX+Kp/Pk/F6fMJKQSXM USS/RrRiFNH0HZPKuhXuQh2Et0suyWjr477bsEaZTWzPbSp40uPE1m1n X-Gm-Gg: AZuq6aLL/GowNDtHBJUcW9I1DVef41jzxdr8NByrHwbx8vtCe2vcHsCUEPyGqVjTA/Q 4rhD3iSIJw0D4lEUELowjSBdgt0bNU5yNTl10UmG+mjsOvZDD4poripZJQKpaqjERQUEloxgDSm eumZOE8Z8JmnIUsv1qOig+g4+JKDcXSeIQCpYVqv6skKJNS2dIYStyEgvFzndnpsA7R5aC73/XL CBzEWFrkeUxsKmd3eCry8MiWfbUELnlMtCXTZUWPip1SJSSXGu4OI+eRvdj+w9FckwkFY6YgCm0 QKnGc1G3LjggXkE9V27vFuc2snXEgr6zAaNPNXL/LUqKXRR5lqj96YDPPRLUXXR48Mw4unxT3wf /jgw4s0O1vMaP3evER517BqgWFhDsIg/iaH6THEmMhvWXARqKmZXbA5S6eXTHlXxccmmpSaWrNj tRm1XCUug4nhRU8FE6KGNAeA3wbN4wbCFedh0xBJULsokWc12BtV5bo7Dg39uY X-Received: by 2002:a05:600c:530f:b0:47d:3690:7490 with SMTP id 5b1f17b1804b1-482db45ba1cmr134425985e9.9.1770018073043; Sun, 01 Feb 2026 23:41:13 -0800 (PST) Received: from chris-laptop.home.arpa ([2a0e:1d47:c905:1800:430e:2fc9:45d7:5180]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4806cdd79c7sm392243675e9.2.2026.02.01.23.41.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Feb 2026 23:41:12 -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] iio: chemical: bme680: Fix measurement wait duration calculation Date: Mon, 2 Feb 2026 07:38:42 +0000 Message-ID: <20260202073843.11225-1-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 --- 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