Commit 272736d7 authored Jun 06, 2024 by Vasileios Amoiridis Committed by Greg Kroah-Hartman Jul 05, 2024

iio: chemical: bme680: Fix pressure value output

commit ae1f7b93b52095be6776d0f34957b4f35dda44d9 upstream.

The IIO standard units are measured in kPa while the driver
is using hPa.

Apart from checking the userspace value itself, it is mentioned also
in the Bosch API [1] that the pressure value is in Pascal.

[1]: https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x_defs.h#L742



Fixes: 1b3bd859 ("iio: chemical: Add support for Bosch BME680 sensor")
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://lore.kernel.org/r/20240606212313.207550-2-vassilisamir@gmail.com


Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 75a024d3

drivers/iio/chemical/bme680_core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -678,7 +678,7 @@ static int bme680_read_press(struct bme680_data *data,
		}

		*val = bme680_compensate_press(data, adc_press);
		*val2 = 100;
		*val2 = 1000;
		return IIO_VAL_FRACTIONAL;
		}