Messages in this thread Patch in this message | | | From | Angel Iglesias <> | Subject | [PATCH v3 3/7] iio: pressure: bmp280: Make read calibration callback optional | Date | Sun, 29 Jan 2023 02:33:05 +0100 |
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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 <jic23@kernel.org> Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c index 6467034b1d3e..22addaaa5393 100644 --- a/drivers/iio/pressure/bmp280-core.c +++ b/drivers/iio/pressure/bmp280-core.c @@ -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 -- 2.39.1
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