HID: hid-sensor-hub: Extend API for async reads

Add additional flag to read in async mode. In this mode the caller will get
reply via registered callback for capture_sample. Callbacks can be registered
using sensor_hub_register_callback function. The usage id parameter of the
capture_sample can be matched with the usage id of the requested attribute.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

7 files changed, 14 insertions, 7 deletions

diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c
index d5d95317003a..0085c2faeaaa 100644
--- a/drivers/iio/accel/hid-sensor-accel-3d.c
+++ b/drivers/iio/accel/hid-sensor-accel-3d.c
@@ -130,7 +130,8 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev,
                         *val = sensor_hub_input_attr_get_raw_value(
                                         accel_state->common_attributes.hsdev,
                                         HID_USAGE_SENSOR_ACCEL_3D, address,
-                                        report_id);
+                                        report_id,
+                                        SENSOR_HUB_SYNC);
                 else {
                         *val = 0;
                         hid_sensor_power_state(&accel_state->common_attributes,
diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index a3ea1e8785d7..bdcd105aba26 100644
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -130,7 +130,8 @@ static int gyro_3d_read_raw(struct iio_dev *indio_dev,
                         *val = sensor_hub_input_attr_get_raw_value(
                                         gyro_state->common_attributes.hsdev,
                                         HID_USAGE_SENSOR_GYRO_3D, address,
-                                        report_id);
+                                        report_id,
+                                        SENSOR_HUB_SYNC);
                 else {
                         *val = 0;
                         hid_sensor_power_state(&gyro_state->common_attributes,
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index a5283d75c096..321862da626b 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -109,7 +109,8 @@ static int als_read_raw(struct iio_dev *indio_dev,
                         *val = sensor_hub_input_attr_get_raw_value(
                                         als_state->common_attributes.hsdev,
                                         HID_USAGE_SENSOR_ALS, address,
-                                        report_id);
+                                        report_id,
+                                        SENSOR_HUB_SYNC);
                         hid_sensor_power_state(&als_state->common_attributes,
                                                 false);
                 } else {
diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c
index f5a514698fd8..db9c60e47276 100644
--- a/drivers/iio/light/hid-sensor-prox.c
+++ b/drivers/iio/light/hid-sensor-prox.c
@@ -105,7 +105,8 @@ static int prox_read_raw(struct iio_dev *indio_dev,
                         *val = sensor_hub_input_attr_get_raw_value(
                                 prox_state->common_attributes.hsdev,
                                 HID_USAGE_SENSOR_PROX, address,
-                                report_id);
+                                report_id,
+                                SENSOR_HUB_SYNC);
                         hid_sensor_power_state(&prox_state->common_attributes,
                                                 false);
                 } else {
diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index 6294575d2777..4d299f39ffd1 100644
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -178,7 +178,8 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev,
                         *val = sensor_hub_input_attr_get_raw_value(
                                 magn_state->common_attributes.hsdev,
                                 HID_USAGE_SENSOR_COMPASS_3D, address,
-                                report_id);
+                                report_id,
+                                SENSOR_HUB_SYNC);
                 else {
                         *val = 0;
                         hid_sensor_power_state(&magn_state->common_attributes,
diff --git a/drivers/iio/orientation/hid-sensor-incl-3d.c b/drivers/iio/orientation/hid-sensor-incl-3d.c
index 1ff181bbbcef..45bed080b4a6 100644
--- a/drivers/iio/orientation/hid-sensor-incl-3d.c
+++ b/drivers/iio/orientation/hid-sensor-incl-3d.c
@@ -132,7 +132,8 @@ static int incl_3d_read_raw(struct iio_dev *indio_dev,
                         *val = sensor_hub_input_attr_get_raw_value(
                                 incl_state->common_attributes.hsdev,
                                 HID_USAGE_SENSOR_INCLINOMETER_3D, address,
-                                report_id);
+                                report_id,
+                                SENSOR_HUB_SYNC);
                 else {
                         hid_sensor_power_state(&incl_state->common_attributes,
                                                 false);
diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c
index 764928682df2..ac150f0c8b02 100644
--- a/drivers/iio/pressure/hid-sensor-press.c
+++ b/drivers/iio/pressure/hid-sensor-press.c
@@ -108,7 +108,8 @@ static int press_read_raw(struct iio_dev *indio_dev,
                         *val = sensor_hub_input_attr_get_raw_value(
                                 press_state->common_attributes.hsdev,
                                 HID_USAGE_SENSOR_PRESSURE, address,
-                                report_id);
+                                report_id,
+                                SENSOR_HUB_SYNC);
                         hid_sensor_power_state(&press_state->common_attributes,
                                                 false);
                 } else {