linux-kernel - Re: [PATCH v2 01/19] iio: chemical: bme680: Fix pressure value output

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Date: Sun, 9 Jun 2024 12:00:04 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Vasileios Amoiridis <vassilisamir@...il.com>
Cc: dpfrey@...il.com, himanshujha199640@...il.com, lars@...afoo.de,
 linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
 mike.looijmans@...ic.nl
Subject: Re: [PATCH v2 01/19] iio: chemical: bme680: Fix pressure value
 output

On Thu,  6 Jun 2024 23:22:53 +0200
Vasileios Amoiridis <vassilisamir@...il.com> wrote:

> 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: 1b3bd8592780 ("iio: chemical: Add support for Bosch BME680 sensor")
> Signed-off-by: Vasileios Amoiridis <vassilisamir@...il.com>
Given we are early in the cycle I'm going to take the fixes via
the fixes-togreg branch of iio.git.

Thanks will slow down the rest a little but we still have time that
that should not matter and we'll get these fixes into stable much sooner.

Applied to the fixes-togreg branch of iio.git and marked for stable.

Thanks,

Jonathan

> ---
>  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/bme680_core.c
> index ef5e0e46fd34..2c40c13fe97a 100644
> --- a/drivers/iio/chemical/bme680_core.c
> +++ b/drivers/iio/chemical/bme680_core.c
> @@ -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;
>  }
>  
> 
> base-commit: b3019fcdeb286b2cfe45e44bccb44dbcd8ff66dd