From: Jonathan Cameron <jic23@kernel.org>
To: Mircea Caprioru <mircea.caprioru@analog.com>
Cc: <Michael.Hennerich@analog.com>, <stefan.popa@analog.com>,
<lars@metafoo.de>, <gregkh@linuxfoundation.org>,
<linux-kernel@vger.kernel.org>, <linux-iio@vger.kernel.org>,
<devicetree@vger.kernel.org>, <robh+dt@kernel.org>
Subject: Re: [PATCH V4 2/4] iio: adc: ad_sigma_delta: Export ad_sd_calibrate
Date: Sun, 8 Sep 2019 10:35:44 +0100 [thread overview]
Message-ID: <20190908103544.18568d02@archlinux> (raw)
In-Reply-To: <20190902130831.23057-2-mircea.caprioru@analog.com>
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,
next prev parent reply other threads:[~2019-09-08 10:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-02 13:08 [PATCH V4 1/4] iio: adc: ad7192: Add sysfs ABI documentation Mircea Caprioru
2019-09-02 13:08 ` [PATCH V4 2/4] iio: adc: ad_sigma_delta: Export ad_sd_calibrate Mircea Caprioru
2019-09-08 9:35 ` Jonathan Cameron [this message]
2019-09-02 13:08 ` [PATCH V4 3/4] staging: iio: adc: ad7192: Add system calibration support Mircea Caprioru
2019-09-08 9:36 ` Jonathan Cameron
2019-09-02 13:08 ` [PATCH V4 4/4] dt-bindings: iio: adc: ad7192: Add binding documentation for AD7192 Mircea Caprioru
2019-09-03 17:29 ` Rob Herring
2019-09-08 10:29 ` Jonathan Cameron
2019-10-02 14:44 ` Rob Herring
2019-09-08 9:35 ` [PATCH V4 1/4] iio: adc: ad7192: Add sysfs ABI documentation Jonathan Cameron
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