From: Giuseppe Barba Date: Tue, 21 Jul 2015 08:35:42 +0000 (+0200) Subject: iio: st-sensors: add support for single full scale device X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bb602f8c61e289389e7c2af1b577303a841f6d34;p=linux-beck.git iio: st-sensors: add support for single full scale device 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 Acked-by: Denis Ciocca Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index d44bf1680859..2e7fdb502645 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;