From: Lukasz Czerwinski Date: Wed, 5 Mar 2014 07:52:56 +0000 (+0100) Subject: iio:common:st: Prevent disable after read info raw data X-Git-Tag: submit/tizen_common/20140630.083047~323 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9cc26d75237c699dd9611ce5cda081e603331505;p=platform%2Fkernel%2Flinux-3.10.git iio:common:st: Prevent disable after read info raw data This patch prevents disable sensor after read info raw data when events are enabled. Change-Id: Ifc160e7aa5a633c5dc976ea8b775a790a0efaf69 Signed-off-by: Lukasz Czerwinski --- diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 53fbc50..085eb7d 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -315,7 +315,12 @@ int st_sensors_read_info_raw(struct iio_dev *indio_dev, *val = *val >> ch->scan_type.shift; - err = st_sensors_set_enable(indio_dev, false); + /* + * When events are enabled sensor should be always enabled. + * It prevents unnecessary sensor off. + */ + if (!sdata->events_flag) + err = st_sensors_set_enable(indio_dev, false); } mutex_unlock(&indio_dev->mlock);