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Subject[PATCH 2/3] iio: adc: stm32-adc: improve calibration error log
Date
Add more information in calibration error log to differentiate
single-ended and differential calibration.

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
---
drivers/iio/adc/stm32-adc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index 2b2b55eb130e..65dd45537505 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -1109,7 +1109,7 @@ static int stm32h7_adc_selfcalib(struct iio_dev *indio_dev, int do_lincal)
!(val & STM32H7_ADCAL), 100,
STM32H7_ADC_CALIB_TIMEOUT_US);
if (ret) {
- dev_err(&indio_dev->dev, "calibration failed\n");
+ dev_err(&indio_dev->dev, "calibration (single-ended) error %d\n", ret);
goto out;
}

@@ -1125,7 +1125,8 @@ static int stm32h7_adc_selfcalib(struct iio_dev *indio_dev, int do_lincal)
!(val & STM32H7_ADCAL), 100,
STM32H7_ADC_CALIB_TIMEOUT_US);
if (ret) {
- dev_err(&indio_dev->dev, "calibration failed\n");
+ dev_err(&indio_dev->dev, "calibration (diff%s) error %d\n",
+ (msk & STM32H7_ADCALLIN) ? "+linear" : "", ret);
goto out;
}

--
2.25.1
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