iio: hid-sensors: Add api to get poll value
Added interface to get poll value in milli-seconds. This value is
changed by changing sampling frequency. This API allows clients
to wait for at least some poll milli seconds before reading a new sample.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h
index 89626b2..88d8d63 100644
--- a/include/linux/hid-sensor-hub.h
+++ b/include/linux/hid-sensor-hub.h
@@ -227,4 +227,6 @@
struct hid_sensor_hub_attribute_info *attr_info,
int *val0, int *val1);
+s32 hid_sensor_read_poll_value(struct hid_sensor_common *st);
+
#endif