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authorMircea Caprioru <mircea.caprioru@analog.com>2019-09-02 16:08:29 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2019-09-08 10:35:31 +0100
commitc88c8cd8265a9c7c2bf57350ab9c64d89c7b596b (patch)
tree9d1833f5bb5402d3a25b842ea3778f6bf2047acb /include/linux/iio
parentiio: adc: ad7192: Add sysfs ABI documentation (diff)
downloadlinux-dev-c88c8cd8265a9c7c2bf57350ab9c64d89c7b596b.tar.xz
linux-dev-c88c8cd8265a9c7c2bf57350ab9c64d89c7b596b.zip
iio: adc: ad_sigma_delta: Export ad_sd_calibrate
This patch exports the ad_sd_calibrate function in order to be able to call it from outside ad_sigma_delta. There are cases where the option to calibrate one channel at a time is necessary (ex. system calibration for zero scale and full scale). Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'include/linux/iio')
-rw-r--r--include/linux/iio/adc/ad_sigma_delta.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/iio/adc/ad_sigma_delta.h b/include/linux/iio/adc/ad_sigma_delta.h
index 7716fa0c9fce..8a4e25a7080c 100644
--- a/include/linux/iio/adc/ad_sigma_delta.h
+++ b/include/linux/iio/adc/ad_sigma_delta.h
@@ -119,6 +119,8 @@ int ad_sd_reset(struct ad_sigma_delta *sigma_delta,
int ad_sigma_delta_single_conversion(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan, int *val);
+int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
+ unsigned int mode, unsigned int channel);
int ad_sd_calibrate_all(struct ad_sigma_delta *sigma_delta,
const struct ad_sd_calib_data *cd, unsigned int n);
int ad_sd_init(struct ad_sigma_delta *sigma_delta, struct iio_dev *indio_dev,