From: Archana Patni Date: Mon, 19 May 2014 11:19:00 +0000 (+0100) Subject: iio: hid-sensors: Get feature report from sensor hub after changing power state X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=c0a36f08f4241538368c0ceafd0aa07a0e57b47e;p=deliverable%2Flinux.git iio: hid-sensors: Get feature report from sensor hub after changing power state Some sensor hubs require a get feature report call to be issued soon after changing the power state of the sensor. Without this, the sensor remains in the current state. This patch adds a call soon after the power state. This is retained as a generic call across all sensor hubs since the behavior has been noticed on more than one implementation. Signed-off-by: Archana Patni Signed-off-by: Subramony Sesha Reviewed-by: Srinivas Pandruvada Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index dbefbdaf7cd1..f26f52d7c46f 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -73,6 +73,9 @@ static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig, (s32)report_val); } + sensor_hub_get_feature(st->hsdev, st->power_state.report_id, + st->power_state.index, + &state_val); return 0; }