Re: [PATCH] iio: chemical: scd4x: fix reported channel endianness

From: David Lechner

Date: Mon Dec 15 2025 - 11:41:06 EST


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 <fiona.klute@xxxxxx>
> ---
Reviewed-by: David Lechner <dlechner@xxxxxxxxxxxx>