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iio: hid-sensors: magnetometer : Add sensitivity

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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>
This commit is contained in:
Srinivas Pandruvada 2013-11-06 00:11:00 +00:00 committed by Jonathan Cameron
parent f227c13259
commit 2461fc9f3f
2 changed files with 13 additions and 0 deletions
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12
drivers/iio/magnetometer/hid-sensor-magn-3d.c
View File

@ -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;
}

1
include/linux/hid-sensor-ids.h
View File

@ -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