[V4,2/4] iio: adc: ad_sigma_delta: Export ad_sd_calibrate
diff mbox series

Message ID 20190902130831.23057-2-mircea.caprioru@analog.com
State New
Headers show
Series
  • [V4,1/4] iio: adc: ad7192: Add sysfs ABI documentation
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Commit Message

Mircea Caprioru Sept. 2, 2019, 1:08 p.m. UTC
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>
---
Changelog V2:
- no changes here

Changelog V3:
- no changes here

Changelog V4:
- no changes here

 drivers/iio/adc/ad_sigma_delta.c       | 3 ++-
 include/linux/iio/adc/ad_sigma_delta.h | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

Comments

Jonathan Cameron Sept. 8, 2019, 9:35 a.m. UTC | #1
On Mon, 2 Sep 2019 16:08:29 +0300
Mircea Caprioru <mircea.caprioru@analog.com> wrote:

> 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>
Applied, Thanks,
> ---
> Changelog V2:
> - no changes here
> 
> Changelog V3:
> - no changes here
> 
> Changelog V4:
> - no changes here
> 
>  drivers/iio/adc/ad_sigma_delta.c       | 3 ++-
>  include/linux/iio/adc/ad_sigma_delta.h | 2 ++
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
> index 2640b75fb774..8ba90486c787 100644
> --- a/drivers/iio/adc/ad_sigma_delta.c
> +++ b/drivers/iio/adc/ad_sigma_delta.c
> @@ -205,7 +205,7 @@ int ad_sd_reset(struct ad_sigma_delta *sigma_delta,
>  }
>  EXPORT_SYMBOL_GPL(ad_sd_reset);
>  
> -static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
> +int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
>  	unsigned int mode, unsigned int channel)
>  {
>  	int ret;
> @@ -242,6 +242,7 @@ static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
>  
>  	return ret;
>  }
> +EXPORT_SYMBOL_GPL(ad_sd_calibrate);
>  
>  /**
>   * ad_sd_calibrate_all() - Performs channel calibration
> 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,

Patch
diff mbox series

diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index 2640b75fb774..8ba90486c787 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -205,7 +205,7 @@  int ad_sd_reset(struct ad_sigma_delta *sigma_delta,
 }
 EXPORT_SYMBOL_GPL(ad_sd_reset);
 
-static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
+int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
 	unsigned int mode, unsigned int channel)
 {
 	int ret;
@@ -242,6 +242,7 @@  static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(ad_sd_calibrate);
 
 /**
  * ad_sd_calibrate_all() - Performs channel calibration
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,