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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2013-11-06 00:11:00 +0000
committerJonathan Cameron <jic23@kernel.org>2013-11-09 13:51:23 +0000
commit2461fc9f3f45828eee23dd5018e7b5576aceec80 (patch)
treeb79cad779867677927240499785192aaf87620c1
parentf227c1325948859c63678c6f9f448d72a8208d8a (diff)
iio: hid-sensors: magnetometer : 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 magnetometer 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>
-rw-r--r--drivers/iio/magnetometer/hid-sensor-magn-3d.c12
-rw-r--r--include/linux/hid-sensor-ids.h1
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index 2634920562f..67fce1916d2 100644
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -263,6 +263,18 @@ static int magn_3d_parse_report(struct platform_device *pdev,
st->magn[1].index, st->magn[1].report_id,
st->magn[2].index, st->magn[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_ORIENTATION,
+ &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 8d45e0290c9..4cc165887b0 100644
--- a/include/linux/hid-sensor-ids.h
+++ b/include/linux/hid-sensor-ids.h
@@ -42,6 +42,7 @@
/* ORIENTATION: Compass 3D: (200083) */
#define HID_USAGE_SENSOR_COMPASS_3D 0x200083
+#define HID_USAGE_SENSOR_DATA_ORIENTATION 0x200470
#define HID_USAGE_SENSOR_ORIENT_MAGN_HEADING 0x200471
#define HID_USAGE_SENSOR_ORIENT_MAGN_HEADING_X 0x200472
#define HID_USAGE_SENSOR_ORIENT_MAGN_HEADING_Y 0x200473