From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f51.google.com (mail-ot1-f51.google.com [209.85.210.51]) (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 7A764340A7A for ; Mon, 15 Dec 2025 16:41:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765816869; cv=none; b=haVo+YYrdALf9OsEKtQdthfh11YislPyWslC94DJstedx3Dtnx9uSRb3pqd5K7aSl2No2LsdEVFubAZQpJ4W9EgFWWc7BKe9X+xvc1YJJApcrRBQ5cc8X9EiLffxFK+hR9errXyA7zXZSA8O+NkTTj3YZB6hkOC3ykyF5g9HgFw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765816869; c=relaxed/simple; bh=y5bScCkMsOt0OM5pawqhWSn53Oaq6JppUmW/97i2jFU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=I9LgxzeyUR4QxaBv1NJLKZ2qLF8uQnH3qMN3ld6Qzqmpz2jdnNG9Y9a1ar90ilDGhy8q1z38CXJQziVL4pzbPUz5FHle3T8eug+KWTwTdrSgIRYJdMETOu+FsbivEamEibxZ0tGxI/Ci1Zr6LtYdxlSz8TBU+qxfDyzrJDZCvsk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=VK1N73iH; arc=none smtp.client-ip=209.85.210.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="VK1N73iH" Received: by mail-ot1-f51.google.com with SMTP id 46e09a7af769-7c7660192b0so2638932a34.0 for ; Mon, 15 Dec 2025 08:41:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1765816865; x=1766421665; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=GN2v/2ezRcsgAtgp5shQ6tWBDVdeAt0URzrgG6DIj3w=; b=VK1N73iHs7rdabwkiFfOBxJSl/R71C+QhVVcEqZGLN7otpzA8AcBXCGzDP4EEgsPdI sov+H/96LxXrZMRHUzcaoKYGALbu9kNVMNKYK3ZLG2xg1iC0fXziuWYSL1u8TL8h4pWG Ysywg9PFLNDdR76yPg1Yf1/opO/stM48Nlcdj2Ui7ZdiF6FTLfIlf/tA2X9LeY5BWG83 6Wkcv1opIBTR4c6cVAUPjJ3w1+7/sXhM0rEzQs7jjSwHmuLP+N8Te88yCbCCKig3bzC4 9G6VKv2aETwNlkDMSqXVSL8hwr1F88tCv5Mp4hgnIcE2/8Gdl3uCfXzGQuJam42zow9F Xnvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765816865; x=1766421665; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=GN2v/2ezRcsgAtgp5shQ6tWBDVdeAt0URzrgG6DIj3w=; b=cx2lgMZr8NWUHXcnMfrWWF+MhqE8MqH7zHs5PWGxKOmhOD0iJ9prDRIEnFD1hWt7Wq 7VbZtVEJHe74ZOAoAn+rAbmW3NdeR5GpPXAbsRtfpWL29uSkiu0eEDSAY7EInhlvdxTh db/oQrGu6pwEwOTIuM2EtulrScZDhZumhsxTb0/4XA9KgTnUu5XlQwRJ3EyHyjQjaWSf dxNSKWExf5Tkv381T0c9Iq7OICYuEjifTDDJPhsuprtjKGa7nZfLLR7ijA06Vz1Icol3 zpsXSxHcYYTyhb2WK534+P+Rp/5DUgwsJjJzdUpSZmg4RXHHpwbmkMfnz4QsC4vZxVW+ JsRQ== X-Forwarded-Encrypted: i=1; AJvYcCUGBzABpeNoMZiQDXLdWVgwuNuOqGfWWdo4ieMXoG3udLx+OZbIKb9E1FhsvZwkGi+kj0SCRfMgUQTOopo=@vger.kernel.org X-Gm-Message-State: AOJu0Yw++W57Gp+TLR0BHL9w6UkQXZUwI60YUN6a6KTQjoA0SZeRS8yP dlqA8UYcEsFEw1dK4Pn9h1gdW+IDfuPcnRbqT6Q+fNFhPYZch1osWB90vTAo9fRy11Q= X-Gm-Gg: AY/fxX6ml+FPur5Q/PD6ljcaebtXARorbp6MKOUGmSQ3rIaxE/KHGHM7QJYio4dANI/ 0MRspt7oH81B0MDL0ejY5zIf5YH0SRWqy9umaUstRdY2rH7wXEavHif1EopkeICj59MJF5lGhsP DZJ1OB9DNMBDscOtc7CKJjcPhzJlSps4VOps9QFwZ2nemDrWrGAp483EHj0slDg0PsU58x/KDh0 nPlRTTKtlOo00mAPg12pLNDQ3GAWJEsAGRCT8b+rpygCQU+YAcBrUm+NrG4kXQEjw5eksYqT34k 181zMKkWxM9okl3hEhgN06t2/amo5QzHjI66jPCYfuHiFaCrEOZ0h08yYaMqUEC/eUl25xJxcCO /fdqz3qKqipT44Xug+AHVnuQJeFrbnnarO4yTsQGKmza5kXySLNZ8lYpyTMQ3CG3kdQISTig0Bo OrvHXGKpp0u/m9A8UZLPf2pjgpq9zvsv7UJQ1lhZvS8ngRrI+WajtALjTaD6SR X-Google-Smtp-Source: AGHT+IETzkrhmvN6k15FVo/fxunqZCkMsRXAmBgkRp0PC7XoYu4pVDMCOLJ+872365vqu2AZhs2RHA== X-Received: by 2002:a05:6830:349a:b0:7c9:5bef:e9b with SMTP id 46e09a7af769-7cae82c6d11mr5847375a34.3.1765816865540; Mon, 15 Dec 2025 08:41:05 -0800 (PST) Received: from ?IPV6:2600:8803:e7e4:500:1635:b560:bfdd:f758? ([2600:8803:e7e4:500:1635:b560:bfdd:f758]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7cadb345977sm9646647a34.29.2025.12.15.08.41.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 15 Dec 2025 08:41:05 -0800 (PST) Message-ID: <64181fc9-4795-4c5b-97de-a9482eea4bf4@baylibre.com> Date: Mon, 15 Dec 2025 10:41:04 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] iio: chemical: scd4x: fix reported channel endianness To: Fiona Klute , Roan van Dijk , linux-iio@vger.kernel.org Cc: Jonathan Cameron , =?UTF-8?Q?Nuno_S=C3=A1?= , Andy Shevchenko , linux-kernel@vger.kernel.org References: <20251213163226.1678707-1-fiona.klute@gmx.de> Content-Language: en-US From: David Lechner In-Reply-To: <20251213163226.1678707-1-fiona.klute@gmx.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 12/13/25 10:32 AM, Fiona Klute wrote: > The driver converts values read from the sensor from BE to CPU > endianness in scd4x_read_meas(). The result is then pushed into the > buffer in scd4x_trigger_handler(), so on LE architectures parsing the > buffer using the reported BE type gave wrong results. > > scd4x_read_raw() which provides sysfs *_raw values is not affected, it > used the values returned by scd4x_read_meas() without further > conversion. > > Fixes: 49d22b695cbb6 ("drivers: iio: chemical: Add support for Sensirion SCD4x CO2 sensor") > Signed-off-by: Fiona Klute > --- Reviewed-by: David Lechner