iio: hid-sensors: light/als : Add sensitivity

[firefly-linux-kernel-4.4.55.git] / drivers / iio / light / hid-sensor-als.c

diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index fa6ae8cf89eaa9edfdfffe379939bc7cc8a491f0..0c7f115ee3b3c35f1b35e804686cb16d76f05aad 100644 (file)
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -229,6 +229,17 @@ static int als_parse_report(struct platform_device *pdev,
        dev_dbg(&pdev->dev, "als %x:%x\n", st->als_illum.index,
                        st->als_illum.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_LIGHT,
+                       &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;
 }