From 0f23e7d2005116336ece2b42e9cada35ee8e6e65 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Tue, 10 Sep 2013 13:49:00 +0100 Subject: iio: sensors-core: st: Allow full-scale to be an optional feature 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 Acked-by: Denis Ciocca Signed-off-by: Jonathan Cameron Signed-off-by: Moyster omitted pressure driver changes (missing in this kernel) --- drivers/iio/common/st_sensors/st_sensors_core.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 35c93932e..15c2b18f0 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -243,10 +243,13 @@ 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) -- cgit v1.2.3