iio: hid-sensors: gyro : Add sensitivity

A number of Properties that can be applied to Data Fields are per data
field basis or for all data fields. Adding sensitivity field for all
gyro fields, which is most commonly used in currently available
sensor hubs.

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

2 files changed, 12 insertions, 0 deletions

diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index ea01c6bcfb56..97797dbaad34 100644
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -262,6 +262,17 @@ static int gyro_3d_parse_report(struct platform_device *pdev,
                         st->gyro[1].index, st->gyro[1].report_id,
                         st->gyro[2].index, st->gyro[2].report_id);
 
+        /* Set Sensitivity field ids, when there is no individual modifier */
+        if (st->common_attributes.sensitivity.index < 0) {
+                sensor_hub_input_get_attribute_info(hsdev,
+                        HID_FEATURE_REPORT, usage_id,
+                        HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS |
+                        HID_USAGE_SENSOR_DATA_ANGL_VELOCITY,
+                        &st->common_attributes.sensitivity);
+                dev_dbg(&pdev->dev, "Sensitivity index:report %d:%d\n",
+                        st->common_attributes.sensitivity.index,
+                        st->common_attributes.sensitivity.report_id);
+        }
         return ret;
 }
 
diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h
index 4dda3b791c82..f3ed6b14f86c 100644
--- a/include/linux/hid-sensor-ids.h
+++ b/include/linux/hid-sensor-ids.h
@@ -34,6 +34,7 @@
 
 /* Gyro 3D: (200076) */
 #define HID_USAGE_SENSOR_GYRO_3D                                0x200076
+#define HID_USAGE_SENSOR_DATA_ANGL_VELOCITY                     0x200456
 #define HID_USAGE_SENSOR_ANGL_VELOCITY_X_AXIS                   0x200457
 #define HID_USAGE_SENSOR_ANGL_VELOCITY_Y_AXIS                   0x200458
 #define HID_USAGE_SENSOR_ANGL_VELOCITY_Z_AXIS                   0x200459