Re: [PATCH v5 3/5] iio: pressure: bmp280: Add support for BMP380 sensor family

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On Sun,  7 Aug 2022 13:55:52 +0200
Angel Iglesias <ang.iglesiasg@xxxxxxxxx> wrote:

> Adds compatibility with the new generation of this sensor, the BMP380
> 
> Includes basic sensor initialization to do pressure and temp
> measurements and allows tuning oversampling settings for each channel.
> 
> The compensation algorithms are adapted from the device datasheet and
> the repository https://github.com/BoschSensortec/BMP3-Sensor-API
> 
> Signed-off-by: Angel Iglesias <ang.iglesiasg@xxxxxxxxx>

One additional comment from me inline.

Thanks,

Jonathan


>  	}
> @@ -1124,6 +1471,13 @@ int bmp280_common_probe(struct device *dev,
>  		return -EINVAL;
>  	}
>  
> +	/* BMP3xx requires soft-reset as part of initialization */
> +	if (chip_id == BMP380_CHIP_ID) {

I'd prefer this to be based on a flag in chip_info so that we can
trivially add it to future devices by just setting that flag for the
chip_info added for the new device.

> +		ret = bmp380_cmd(data, BMP380_CMD_SOFT_RESET);
> +		if (ret < 0)
> +			return ret;
> +	}
> +
>  	ret = data->chip_info->chip_config(data);
>  	if (ret < 0)
>  		return ret;




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