From 4d545f9649253a7defda89b44a6a2a2b1b377d9d Mon Sep 17 00:00:00 2001
From: Angel Iglesias <ang.iglesiasg@gmail.com>
Date: Sun, 19 Feb 2023 17:58:01 +0100
Subject: [PATCH] iio: pressure: bmp280: Make read calibration callback
optional
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>
---
drivers/iio/pressure/bmp280-core.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
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
--
2.30.9