Re: [PATCH V4 2/5] iio: st-sensors: add support for single full scale device

[Denis Ciocca <denis.ciocca@st.com>]

Acked-by: Denis Ciocca <denis.ciocca@st.com>


On 07/21/2015 04:35 PM, Giuseppe BARBA wrote:
> Some sensors could have only one full scale value. This means that the
> sensor hasn't a full scale register. This commit add a check on the
> configured full scale address to support such kind of sensors.
>
> Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
> ---
>   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 d44bf16..2e7fdb5 100644
> --- a/drivers/iio/common/st_sensors/st_sensors_core.c
> +++ b/drivers/iio/common/st_sensors/st_sensors_core.c
> @@ -126,6 +126,9 @@ static int st_sensors_set_fullscale(struct iio_dev *indio_dev, unsigned int fs)
>   	int err, i = 0;
>   	struct st_sensor_data *sdata = iio_priv(indio_dev);
>   
> +	if (sdata->sensor_settings->fs.addr == 0)
> +		return 0;
> +
>   	err = st_sensors_match_fs(sdata->sensor_settings, fs, &i);
>   	if (err < 0)
>   		goto st_accel_set_fullscale_error;