From 9cc26d75237c699dd9611ce5cda081e603331505 Mon Sep 17 00:00:00 2001 From: Lukasz Czerwinski Date: Wed, 5 Mar 2014 08:52:56 +0100 Subject: [PATCH] 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 --- drivers/iio/common/st_sensors/st_sensors_core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) 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); -- 2.7.4