diff options
Diffstat (limited to 'drivers/iio')
-rw-r--r-- | drivers/iio/magnetometer/hid-sensor-magn-3d.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c index 6d162b7..131ced0 100644 --- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c +++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c @@ -42,6 +42,10 @@ struct magn_3d_state { struct hid_sensor_common common_attributes; struct hid_sensor_hub_attribute_info magn[MAGN_3D_CHANNEL_MAX]; u32 magn_val[MAGN_3D_CHANNEL_MAX]; + int scale_pre_decml; + int scale_post_decml; + int scale_precision; + int value_offset; }; static const u32 magn_3d_addresses[MAGN_3D_CHANNEL_MAX] = { @@ -124,12 +128,12 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SCALE: - *val = magn_state->magn[CHANNEL_SCAN_INDEX_X].units; - ret_type = IIO_VAL_INT; + *val = magn_state->scale_pre_decml; + *val2 = magn_state->scale_post_decml; + ret_type = magn_state->scale_precision; break; case IIO_CHAN_INFO_OFFSET: - *val = hid_sensor_convert_exponent( - magn_state->magn[CHANNEL_SCAN_INDEX_X].unit_expo); + *val = magn_state->value_offset; ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: @@ -263,6 +267,11 @@ 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); + st->scale_precision = hid_sensor_format_scale( + HID_USAGE_SENSOR_COMPASS_3D, + &st->magn[CHANNEL_SCAN_INDEX_X], + &st->scale_pre_decml, &st->scale_post_decml); + /* Set Sensitivity field ids, when there is no individual modifier */ if (st->common_attributes.sensitivity.index < 0) { sensor_hub_input_get_attribute_info(hsdev, |