Re: [PATCH 07/11] iio: sensors-core: st: Allow full-scale to be an optional feature

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Acked-by: Denis Ciocca <denis.ciocca@xxxxxx>
> Some chips either don't support it or fail to provide adequate documentation,
> so sometimes it's impossible to enable the feature even if it is supported.
>
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> ---
>   drivers/iio/common/st_sensors/st_sensors_core.c | 11 +++++++----
>   drivers/iio/pressure/st_pressure_core.c         |  6 ++++--
>   2 files changed, 11 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
> index 865b178..fc9acb7 100644
> --- a/drivers/iio/common/st_sensors/st_sensors_core.c
> +++ b/drivers/iio/common/st_sensors/st_sensors_core.c
> @@ -209,10 +209,13 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev)
>   	if (err < 0)
>   		goto init_error;
>   
> -	err = st_sensors_set_fullscale(indio_dev,
> -						sdata->current_fullscale->num);
> -	if (err < 0)
> -		goto init_error;
> +	if (sdata->current_fullscale) {
> +		err = st_sensors_set_fullscale(indio_dev,
> +					       sdata->current_fullscale->num);
> +		if (err < 0)
> +			goto init_error;
> +	} else
> +		dev_info(&indio_dev->dev, "Full-scale not possible\n");
>   
>   	err = st_sensors_set_odr(indio_dev, sdata->odr);
>   	if (err < 0)
> diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
> index 7ba9299..423ed6a 100644
> --- a/drivers/iio/pressure/st_pressure_core.c
> +++ b/drivers/iio/pressure/st_pressure_core.c
> @@ -239,8 +239,10 @@ int st_press_common_probe(struct iio_dev *indio_dev)
>   	indio_dev->channels = pdata->sensor->ch;
>   	indio_dev->num_channels = ARRAY_SIZE(st_press_lsp331ap_channels);
>   
> -	pdata->current_fullscale = (struct st_sensor_fullscale_avl *)
> -						&pdata->sensor->fs.fs_avl[0];
> +	if (pdata->sensor->fs.addr != 0)
> +		pdata->current_fullscale = (struct st_sensor_fullscale_avl *)
> +			&pdata->sensor->fs.fs_avl[0];
> +
>   	pdata->odr = pdata->sensor->odr.odr_avl[0].hz;
>   
>   	err = st_sensors_init_sensor(indio_dev);
--
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