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Message-Id: <61b0aee1c4838caed97774dccd88ed9fae279f76.1674954271.git.ang.iglesiasg@gmail.com>
Date: Sun, 29 Jan 2023 02:33:05 +0100
From: Angel Iglesias <ang.iglesiasg@...il.com>
To: linux-iio@...r.kernel.org
Cc: Angel Iglesias <ang.iglesiasg@...il.com>,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Andreas Klinger <ak@...klinger.de>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v3 3/7] 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 <jic23@...nel.org>
Signed-off-by: Angel Iglesias <ang.iglesiasg@...il.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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