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iio: pressure: bmp280: Make read calibration callback optional

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Newer models do not require read the calibration parameters and apply the
compensation algorithms in the sensor.

Suggested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/bb1b95ab3f4e71d3c76543370325c5c9aaa07add.1676823250.git.ang.iglesiasg@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Angel Iglesias 2023-02-19 17:58:01 +01:00 committed by Jonathan Cameron
parent c25ea00fef
commit 4d545f9649
1 changed files with 6 additions and 4 deletions
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10
drivers/iio/pressure/bmp280-core.c
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@ -1631,10 +1631,12 @@ int bmp280_common_probe(struct device *dev,
* time once. They will not change.
*/
ret = data->chip_info->read_calib(data);
if (ret < 0)
return dev_err_probe(data->dev, ret,
"failed to read calibration coefficients\n");
if (data->chip_info->read_calib) {
ret = data->chip_info->read_calib(data);
if (ret < 0)
return dev_err_probe(data->dev, ret,
"failed to read calibration coefficients\n");
}
/*
* Attempt to grab an optional EOC IRQ - only the BMP085 has this