iio: hid-sensors: Add API to power on/off

Added an API to allow client drivers to turn ON and OFF sensors for
quick read. Added data_read as counting varaible instead of boolean,
so that sensor is powered off only when last user released it.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h
index 88d8d636a68f..51f7ccadf923 100644
--- a/include/linux/hid-sensor-hub.h
+++ b/include/linux/hid-sensor-hub.h
@@ -189,7 +189,7 @@ struct hid_sensor_common {
         struct hid_sensor_hub_device *hsdev;
         struct platform_device *pdev;
         unsigned usage_id;
-        bool data_ready;
+        atomic_t data_ready;
         struct iio_trigger *trigger;
         struct hid_sensor_hub_attribute_info poll;
         struct hid_sensor_hub_attribute_info report_state;