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([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-iio@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