1 files changed, 411 insertions, 66 deletions

diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
index 75b54730a963..a61428bfdce3 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
@@ -1,40 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * HID Sensors Driver
  * Copyright (c) 2012, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  */
-#include <linux/device.h>
-#include <linux/platform_device.h>
 #include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/time.h>
+#include <linux/units.h>
+
 #include <linux/hid-sensor-hub.h>
 #include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
 
-static int pow_10(unsigned power)
-{
-	int i;
-	int ret = 1;
-	for (i = 0; i < power; ++i)
-		ret = ret * 10;
+static const struct {
+	u32 usage_id;
+	int unit; /* 0 for default others from HID sensor spec */
+	int scale_val0; /* scale, whole number */
+	int scale_val1; /* scale, fraction in nanos */
+} unit_conversion[] = {
+	{HID_USAGE_SENSOR_ACCEL_3D, 0, 9, 806650000},
+	{HID_USAGE_SENSOR_ACCEL_3D,
+		HID_USAGE_SENSOR_UNITS_METERS_PER_SEC_SQRD, 1, 0},
+	{HID_USAGE_SENSOR_ACCEL_3D,
+		HID_USAGE_SENSOR_UNITS_G, 9, 806650000},
 
-	return ret;
-}
+	{HID_USAGE_SENSOR_GRAVITY_VECTOR, 0, 9, 806650000},
+	{HID_USAGE_SENSOR_GRAVITY_VECTOR,
+		HID_USAGE_SENSOR_UNITS_METERS_PER_SEC_SQRD, 1, 0},
+	{HID_USAGE_SENSOR_GRAVITY_VECTOR,
+		HID_USAGE_SENSOR_UNITS_G, 9, 806650000},
+
+	{HID_USAGE_SENSOR_GYRO_3D, 0, 0, 17453293},
+	{HID_USAGE_SENSOR_GYRO_3D,
+		HID_USAGE_SENSOR_UNITS_RADIANS_PER_SECOND, 1, 0},
+	{HID_USAGE_SENSOR_GYRO_3D,
+		HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND, 0, 17453293},
+
+	{HID_USAGE_SENSOR_COMPASS_3D, 0, 0, 1000000},
+	{HID_USAGE_SENSOR_COMPASS_3D, HID_USAGE_SENSOR_UNITS_GAUSS, 1, 0},
+
+	{HID_USAGE_SENSOR_INCLINOMETER_3D, 0, 0, 17453293},
+	{HID_USAGE_SENSOR_INCLINOMETER_3D,
+		HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453293},
+	{HID_USAGE_SENSOR_INCLINOMETER_3D,
+		HID_USAGE_SENSOR_UNITS_RADIANS, 1, 0},
+
+	{HID_USAGE_SENSOR_ALS, 0, 1, 0},
+	{HID_USAGE_SENSOR_ALS, HID_USAGE_SENSOR_UNITS_LUX, 1, 0},
+
+	{HID_USAGE_SENSOR_PRESSURE, 0, 100, 0},
+	{HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000000},
+
+	{HID_USAGE_SENSOR_TIME_TIMESTAMP, 0, 1000000000, 0},
+	{HID_USAGE_SENSOR_TIME_TIMESTAMP, HID_USAGE_SENSOR_UNITS_MILLISECOND,
+		1000000, 0},
+
+	{HID_USAGE_SENSOR_DEVICE_ORIENTATION, 0, 1, 0},
+
+	{HID_USAGE_SENSOR_RELATIVE_ORIENTATION, 0, 1, 0},
+
+	{HID_USAGE_SENSOR_GEOMAGNETIC_ORIENTATION, 0, 1, 0},
+
+	{HID_USAGE_SENSOR_TEMPERATURE, 0, 1000, 0},
+	{HID_USAGE_SENSOR_TEMPERATURE, HID_USAGE_SENSOR_UNITS_DEGREES, 1000, 0},
+
+	{HID_USAGE_SENSOR_HUMIDITY, 0, 1000, 0},
+	{HID_USAGE_SENSOR_HINGE, 0, 0, 17453293},
+	{HID_USAGE_SENSOR_HINGE, HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453293},
+
+	{HID_USAGE_SENSOR_HUMAN_PRESENCE, 0, 1, 0},
+	{HID_USAGE_SENSOR_HUMAN_PROXIMITY, 0, 1, 0},
+	{HID_USAGE_SENSOR_HUMAN_ATTENTION, 0, 1, 0},
+};
 
 static void simple_div(int dividend, int divisor, int *whole,
 				int *micro_frac)
@@ -54,14 +90,16 @@ static void simple_div(int dividend, int divisor, int *whole,
 			rem *= 10;
 			exp++;
 		}
-		*micro_frac = (rem / divisor) * pow_10(6-exp);
+		*micro_frac = (rem / divisor) * int_pow(10, 6 - exp);
 	}
 }
 
 static void split_micro_fraction(unsigned int no, int exp, int *val1, int *val2)
 {
-	*val1 = no/pow_10(exp);
-	*val2 = no%pow_10(exp) * pow_10(6-exp);
+	int divisor = int_pow(10, exp);
+
+	*val1 = no / divisor;
+	*val2 = no % divisor * int_pow(10, 6 - exp);
 }
 
 /*
@@ -83,7 +121,7 @@ static void convert_from_vtf_format(u32 value, int size, int exp,
 	}
 	exp = hid_sensor_convert_exponent(exp);
 	if (exp >= 0) {
-		*val1 = sign * value * pow_10(exp);
+		*val1 = sign * value * int_pow(10, exp);
 		*val2 = 0;
 	} else {
 		split_micro_fraction(value, -exp, val1, val2);
@@ -96,6 +134,7 @@ static void convert_from_vtf_format(u32 value, int size, int exp,
 
 static u32 convert_to_vtf_format(int size, int exp, int val1, int val2)
 {
+	int divisor;
 	u32 value;
 	int sign = 1;
 
@@ -103,16 +142,39 @@ static u32 convert_to_vtf_format(int size, int exp, int val1, int val2)
 		sign = -1;
 	exp = hid_sensor_convert_exponent(exp);
 	if (exp < 0) {
-		value = abs(val1) * pow_10(-exp);
-		value += abs(val2) / pow_10(6+exp);
-	} else
-		value = abs(val1) / pow_10(exp);
+		divisor = int_pow(10, 6 + exp);
+		value = abs(val1) * int_pow(10, -exp);
+		value += abs(val2) / divisor;
+	} else {
+		divisor = int_pow(10, exp);
+		value = abs(val1) / divisor;
+	}
 	if (sign < 0)
 		value =  ((1LL << (size * 8)) - value);
 
 	return value;
 }
 
+s32 hid_sensor_read_poll_value(struct hid_sensor_common *st)
+{
+	s32 value = 0;
+	int ret;
+
+	ret = sensor_hub_get_feature(st->hsdev,
+				     st->poll.report_id,
+				     st->poll.index, sizeof(value), &value);
+
+	if (ret < 0 || value < 0) {
+		return -EINVAL;
+	} else {
+		if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND)
+			value = value * 1000;
+	}
+
+	return value;
+}
+EXPORT_SYMBOL_NS(hid_sensor_read_poll_value, "IIO_HID_ATTRIBUTES");
+
 int hid_sensor_read_samp_freq_value(struct hid_sensor_common *st,
 				int *val1, int *val2)
 {
@@ -120,8 +182,8 @@ int hid_sensor_read_samp_freq_value(struct hid_sensor_common *st,
 	int ret;
 
 	ret = sensor_hub_get_feature(st->hsdev,
-		st->poll.report_id,
-		st->poll.index, &value);
+				     st->poll.report_id,
+				     st->poll.index, sizeof(value), &value);
 	if (ret < 0 || value < 0) {
 		*val1 = *val2 = 0;
 		return -EINVAL;
@@ -138,7 +200,7 @@ int hid_sensor_read_samp_freq_value(struct hid_sensor_common *st,
 
 	return IIO_VAL_INT_PLUS_MICRO;
 }
-EXPORT_SYMBOL(hid_sensor_read_samp_freq_value);
+EXPORT_SYMBOL_NS(hid_sensor_read_samp_freq_value, "IIO_HID");
 
 int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st,
 				int val1, int val2)
@@ -147,26 +209,33 @@ int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st,
 	int ret;
 
 	if (val1 < 0 || val2 < 0)
-		ret = -EINVAL;
+		return -EINVAL;
 
-	value = val1 * pow_10(6) + val2;
+	value = val1 * HZ_PER_MHZ + val2;
 	if (value) {
 		if (st->poll.units == HID_USAGE_SENSOR_UNITS_MILLISECOND)
-			value = pow_10(9)/value;
+			value = NSEC_PER_SEC / value;
 		else if (st->poll.units == HID_USAGE_SENSOR_UNITS_SECOND)
-			value = pow_10(6)/value;
+			value = USEC_PER_SEC / value;
 		else
 			value = 0;
 	}
-	ret = sensor_hub_set_feature(st->hsdev,
-		st->poll.report_id,
-		st->poll.index, value);
+	ret = sensor_hub_set_feature(st->hsdev, st->poll.report_id,
+				     st->poll.index, sizeof(value), &value);
+	if (ret < 0 || value < 0)
+		return -EINVAL;
+
+	ret = sensor_hub_get_feature(st->hsdev,
+				     st->poll.report_id,
+				     st->poll.index, sizeof(value), &value);
 	if (ret < 0 || value < 0)
-		ret = -EINVAL;
+		return -EINVAL;
+
+	st->poll_interval = value;
 
-	return ret;
+	return 0;
 }
-EXPORT_SYMBOL(hid_sensor_write_samp_freq_value);
+EXPORT_SYMBOL_NS(hid_sensor_write_samp_freq_value, "IIO_HID");
 
 int hid_sensor_read_raw_hyst_value(struct hid_sensor_common *st,
 				int *val1, int *val2)
@@ -175,8 +244,9 @@ int hid_sensor_read_raw_hyst_value(struct hid_sensor_common *st,
 	int ret;
 
 	ret = sensor_hub_get_feature(st->hsdev,
-		st->sensitivity.report_id,
-		st->sensitivity.index, &value);
+				     st->sensitivity.report_id,
+				     st->sensitivity.index, sizeof(value),
+				     &value);
 	if (ret < 0 || value < 0) {
 		*val1 = *val2 = 0;
 		return -EINVAL;
@@ -188,7 +258,30 @@ int hid_sensor_read_raw_hyst_value(struct hid_sensor_common *st,
 
 	return IIO_VAL_INT_PLUS_MICRO;
 }
-EXPORT_SYMBOL(hid_sensor_read_raw_hyst_value);
+EXPORT_SYMBOL_NS(hid_sensor_read_raw_hyst_value, "IIO_HID");
+
+int hid_sensor_read_raw_hyst_rel_value(struct hid_sensor_common *st, int *val1,
+				       int *val2)
+{
+	s32 value;
+	int ret;
+
+	ret = sensor_hub_get_feature(st->hsdev,
+				     st->sensitivity_rel.report_id,
+				     st->sensitivity_rel.index, sizeof(value),
+				     &value);
+	if (ret < 0 || value < 0) {
+		*val1 = *val2 = 0;
+		return -EINVAL;
+	}
+
+	convert_from_vtf_format(value, st->sensitivity_rel.size,
+				st->sensitivity_rel.unit_expo, val1, val2);
+
+	return IIO_VAL_INT_PLUS_MICRO;
+}
+EXPORT_SYMBOL_NS(hid_sensor_read_raw_hyst_rel_value, "IIO_HID");
+
 
 int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st,
 					int val1, int val2)
@@ -196,28 +289,227 @@ int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st,
 	s32 value;
 	int ret;
 
+	if (val1 < 0 || val2 < 0)
+		return -EINVAL;
+
 	value = convert_to_vtf_format(st->sensitivity.size,
 				st->sensitivity.unit_expo,
 				val1, val2);
-	ret = sensor_hub_set_feature(st->hsdev,
-		st->sensitivity.report_id,
-		st->sensitivity.index, value);
+	ret = sensor_hub_set_feature(st->hsdev, st->sensitivity.report_id,
+				     st->sensitivity.index, sizeof(value),
+				     &value);
+	if (ret < 0 || value < 0)
+		return -EINVAL;
+
+	ret = sensor_hub_get_feature(st->hsdev,
+				     st->sensitivity.report_id,
+				     st->sensitivity.index, sizeof(value),
+				     &value);
 	if (ret < 0 || value < 0)
-		ret = -EINVAL;
+		return -EINVAL;
+
+	st->raw_hystersis = value;
 
-	return ret;
+	return 0;
 }
-EXPORT_SYMBOL(hid_sensor_write_raw_hyst_value);
+EXPORT_SYMBOL_NS(hid_sensor_write_raw_hyst_value, "IIO_HID");
 
-int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
+int hid_sensor_write_raw_hyst_rel_value(struct hid_sensor_common *st,
+					int val1, int val2)
+{
+	s32 value;
+	int ret;
+
+	if (val1 < 0 || val2 < 0)
+		return -EINVAL;
+
+	value = convert_to_vtf_format(st->sensitivity_rel.size,
+				st->sensitivity_rel.unit_expo,
+				val1, val2);
+	ret = sensor_hub_set_feature(st->hsdev, st->sensitivity_rel.report_id,
+				     st->sensitivity_rel.index, sizeof(value),
+				     &value);
+	if (ret < 0 || value < 0)
+		return -EINVAL;
+
+	ret = sensor_hub_get_feature(st->hsdev,
+				     st->sensitivity_rel.report_id,
+				     st->sensitivity_rel.index, sizeof(value),
+				     &value);
+	if (ret < 0 || value < 0)
+		return -EINVAL;
+
+	st->raw_hystersis = value;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS(hid_sensor_write_raw_hyst_rel_value, "IIO_HID");
+
+/*
+ * This fuction applies the unit exponent to the scale.
+ * For example:
+ * 9.806650000 ->exp:2-> val0[980]val1[665000000]
+ * 9.000806000 ->exp:2-> val0[900]val1[80600000]
+ * 0.174535293 ->exp:2-> val0[17]val1[453529300]
+ * 1.001745329 ->exp:0-> val0[1]val1[1745329]
+ * 1.001745329 ->exp:2-> val0[100]val1[174532900]
+ * 1.001745329 ->exp:4-> val0[10017]val1[453290000]
+ * 9.806650000 ->exp:-2-> val0[0]val1[98066500]
+ */
+static void adjust_exponent_nano(int *val0, int *val1, int scale0,
+				  int scale1, int exp)
+{
+	int divisor;
+	int i;
+	int x;
+	int res;
+	int rem;
+
+	if (exp > 0) {
+		*val0 = scale0 * int_pow(10, exp);
+		res = 0;
+		if (exp > 9) {
+			*val1 = 0;
+			return;
+		}
+		for (i = 0; i < exp; ++i) {
+			divisor = int_pow(10, 8 - i);
+			x = scale1 / divisor;
+			res += int_pow(10, exp - 1 - i) * x;
+			scale1 = scale1 % divisor;
+		}
+		*val0 += res;
+		*val1 = scale1 * int_pow(10, exp);
+	} else if (exp < 0) {
+		exp = abs(exp);
+		if (exp > 9) {
+			*val0 = *val1 = 0;
+			return;
+		}
+		divisor = int_pow(10, exp);
+		*val0 = scale0 / divisor;
+		rem = scale0 % divisor;
+		res = 0;
+		for (i = 0; i < (9 - exp); ++i) {
+			divisor = int_pow(10, 8 - i);
+			x = scale1 / divisor;
+			res += int_pow(10, 8 - exp - i) * x;
+			scale1 = scale1 % divisor;
+		}
+		*val1 = rem * int_pow(10, 9 - exp) + res;
+	} else {
+		*val0 = scale0;
+		*val1 = scale1;
+	}
+}
+
+int hid_sensor_format_scale(u32 usage_id,
+			struct hid_sensor_hub_attribute_info *attr_info,
+			int *val0, int *val1)
+{
+	int i;
+	int exp;
+
+	*val0 = 1;
+	*val1 = 0;
+
+	for (i = 0; i < ARRAY_SIZE(unit_conversion); ++i) {
+		if (unit_conversion[i].usage_id == usage_id &&
+			unit_conversion[i].unit == attr_info->units) {
+			exp  = hid_sensor_convert_exponent(
+						attr_info->unit_expo);
+			adjust_exponent_nano(val0, val1,
+					unit_conversion[i].scale_val0,
+					unit_conversion[i].scale_val1, exp);
+			break;
+		}
+	}
+
+	return IIO_VAL_INT_PLUS_NANO;
+}
+EXPORT_SYMBOL_NS(hid_sensor_format_scale, "IIO_HID");
+
+int64_t hid_sensor_convert_timestamp(struct hid_sensor_common *st,
+				     int64_t raw_value)
+{
+	return st->timestamp_ns_scale * raw_value;
+}
+EXPORT_SYMBOL_NS(hid_sensor_convert_timestamp, "IIO_HID");
+
+static
+int hid_sensor_get_reporting_interval(struct hid_sensor_hub_device *hsdev,
 					u32 usage_id,
 					struct hid_sensor_common *st)
 {
-
 	sensor_hub_input_get_attribute_info(hsdev,
 					HID_FEATURE_REPORT, usage_id,
 					HID_USAGE_SENSOR_PROP_REPORT_INTERVAL,
 					&st->poll);
+	/* Default unit of measure is milliseconds */
+	if (st->poll.units == 0)
+		st->poll.units = HID_USAGE_SENSOR_UNITS_MILLISECOND;
+
+	st->poll_interval = -1;
+
+	return 0;
+
+}
+
+static void hid_sensor_get_report_latency_info(struct hid_sensor_hub_device *hsdev,
+					       u32 usage_id,
+					       struct hid_sensor_common *st)
+{
+	sensor_hub_input_get_attribute_info(hsdev, HID_FEATURE_REPORT,
+					    usage_id,
+					    HID_USAGE_SENSOR_PROP_REPORT_LATENCY,
+					    &st->report_latency);
+
+	hid_dbg(hsdev->hdev, "Report latency attributes: %x:%x\n",
+		st->report_latency.index, st->report_latency.report_id);
+}
+
+int hid_sensor_get_report_latency(struct hid_sensor_common *st)
+{
+	int ret;
+	int value;
+
+	ret = sensor_hub_get_feature(st->hsdev, st->report_latency.report_id,
+				     st->report_latency.index, sizeof(value),
+				     &value);
+	if (ret < 0)
+		return ret;
+
+	return value;
+}
+EXPORT_SYMBOL_NS(hid_sensor_get_report_latency, "IIO_HID_ATTRIBUTES");
+
+int hid_sensor_set_report_latency(struct hid_sensor_common *st, int latency_ms)
+{
+	return sensor_hub_set_feature(st->hsdev, st->report_latency.report_id,
+				      st->report_latency.index,
+				      sizeof(latency_ms), &latency_ms);
+}
+EXPORT_SYMBOL_NS(hid_sensor_set_report_latency, "IIO_HID_ATTRIBUTES");
+
+bool hid_sensor_batch_mode_supported(struct hid_sensor_common *st)
+{
+	return st->report_latency.index > 0 && st->report_latency.report_id > 0;
+}
+EXPORT_SYMBOL_NS(hid_sensor_batch_mode_supported, "IIO_HID_ATTRIBUTES");
+
+int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
+					u32 usage_id,
+					struct hid_sensor_common *st,
+					const u32 *sensitivity_addresses,
+					u32 sensitivity_addresses_len)
+{
+
+	struct hid_sensor_hub_attribute_info timestamp;
+	s32 value;
+	int ret;
+	int i;
+
+	hid_sensor_get_reporting_interval(hsdev, usage_id, st);
 
 	sensor_hub_input_get_attribute_info(hsdev,
 					HID_FEATURE_REPORT, usage_id,
@@ -229,20 +521,73 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
 					HID_USAGE_SENSOR_PROY_POWER_STATE,
 					&st->power_state);
 
+	st->power_state.logical_minimum = 1;
+	st->report_state.logical_minimum = 1;
+
 	sensor_hub_input_get_attribute_info(hsdev,
 			HID_FEATURE_REPORT, usage_id,
 			HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS,
 			 &st->sensitivity);
 
-	hid_dbg(hsdev->hdev, "common attributes: %x:%x, %x:%x, %x:%x %x:%x\n",
-			st->poll.index, st->poll.report_id,
-			st->report_state.index, st->report_state.report_id,
-			st->power_state.index, st->power_state.report_id,
-			st->sensitivity.index, st->sensitivity.report_id);
+	sensor_hub_input_get_attribute_info(hsdev,
+			HID_FEATURE_REPORT, usage_id,
+			HID_USAGE_SENSOR_PROP_SENSITIVITY_REL_PCT,
+			&st->sensitivity_rel);
+	/*
+	 * Set Sensitivity field ids, when there is no individual modifier, will
+	 * check absolute sensitivity and relative sensitivity of data field
+	 */
+	for (i = 0; i < sensitivity_addresses_len; i++) {
+		if (st->sensitivity.index < 0)
+			sensor_hub_input_get_attribute_info(
+				hsdev, HID_FEATURE_REPORT, usage_id,
+				HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS |
+					sensitivity_addresses[i],
+				&st->sensitivity);
+
+		if (st->sensitivity_rel.index < 0)
+			sensor_hub_input_get_attribute_info(
+				hsdev, HID_FEATURE_REPORT, usage_id,
+				HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_REL_PCT |
+					sensitivity_addresses[i],
+				&st->sensitivity_rel);
+	}
+
+	st->raw_hystersis = -1;
+
+	sensor_hub_input_get_attribute_info(hsdev,
+					    HID_INPUT_REPORT, usage_id,
+					    HID_USAGE_SENSOR_TIME_TIMESTAMP,
+					    &timestamp);
+	if (timestamp.index >= 0 && timestamp.report_id) {
+		int val0, val1;
+
+		hid_sensor_format_scale(HID_USAGE_SENSOR_TIME_TIMESTAMP,
+					&timestamp, &val0, &val1);
+		st->timestamp_ns_scale = val0;
+	} else
+		st->timestamp_ns_scale = 1000000000;
+
+	hid_sensor_get_report_latency_info(hsdev, usage_id, st);
+
+	hid_dbg(hsdev->hdev, "common attributes: %x:%x, %x:%x, %x:%x %x:%x %x:%x\n",
+		st->poll.index, st->poll.report_id,
+		st->report_state.index, st->report_state.report_id,
+		st->power_state.index, st->power_state.report_id,
+		st->sensitivity.index, st->sensitivity.report_id,
+		timestamp.index, timestamp.report_id);
+
+	ret = sensor_hub_get_feature(hsdev,
+				st->power_state.report_id,
+				st->power_state.index, sizeof(value), &value);
+	if (ret < 0)
+		return ret;
+	if (value < 0)
+		return -EINVAL;
 
 	return 0;
 }
-EXPORT_SYMBOL(hid_sensor_parse_common_attributes);
+EXPORT_SYMBOL_NS(hid_sensor_parse_common_attributes, "IIO_HID");
 
 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@intel.com>");
 MODULE_DESCRIPTION("HID Sensor common attribute processing");