Re: [PATCH 2/4] iio: common: st_sensors: check odr address value in st_sensors_set_odr()

[Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

On Sun, 17 Sep 2017 18:17:10 +0200
Lorenzo Bianconi <lorenzo.bianconi83-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:

> Do not try to configure sample frequency if the sensor do not export
> odr register address in register map. That change will be used to
> properly support LIS3DHH accel sensor.
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi-qxv4g6HH51o@public.gmane.org>
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.

Thanks,

Jonathan
> ---
>  drivers/iio/common/st_sensors/st_sensors_core.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
> index 40dfdfc0906b..57db19182e95 100644
> --- a/drivers/iio/common/st_sensors/st_sensors_core.c
> +++ b/drivers/iio/common/st_sensors/st_sensors_core.c
> @@ -93,6 +93,9 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
>  	struct st_sensor_odr_avl odr_out = {0, 0};
>  	struct st_sensor_data *sdata = iio_priv(indio_dev);
>  
> +	if (!sdata->sensor_settings->odr.addr)
> +		return 0;
> +
>  	err = st_sensors_match_odr(sdata->sensor_settings, odr, &odr_out);
>  	if (err < 0)
>  		goto st_sensors_match_odr_error;

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