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# Copyright 2021 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
description: |
There are 4 configuration parameters to deal with different
configuration
Power | S0 | S3 | S5
--------+-------------------+-------------------+-----------------
From AP | <------- SENSOR_CONFIG_AP ----------> |
| Use for normal | While sleeping | Always disabled
| operation (game, | For Activity |
| screen rotation) | Recognition |
--------+-------------------+-------------------+------------------
From EC |SENSOR_CONFIG_EC_S0|SENSOR_CONFIG_EC_S3|SENSOR_CONFIG_EC_S5
| Background | Gesture Recognition (Double tap, ...)
| Activity (compass,|
| ambient light) |
compatible: "cros-ec,motionsense-sensor-config"
child-binding:
description: |
A config node is used to create a motion_data_t instance.
Node name can only be either ap, ec-s0, ec-s3, or ec-s5,
and it is used to indicate one of the 4 configurations.
For example, node name ec-s0 is for SENSOR_CONFIG_EC_S0.
ec-s0 {
label = "SENSOR_CONFIG_EC_S0";
odr = <1000>;
ec_rate = <1000>;
};
properties:
label:
type: string
required: false
description: |
Human-readable string describing the config.
see the example the above.
odr:
type: int
required: false
description: |
Sensor output data rate in mHz.
MSB is used to know if we are rounding up.
ec-rate:
type: int
required: false
description: Delay between collection by EC, in us.
#
# examples:
#
# configs {
# compatible =
# "cros-ec,motionsense-sensor-config";
# ec-s0 {
# label = "SENSOR_CONFIG_EC_S0";
# odr = <(10000 | ROUND_UP_FLAG)>;
# };
# ec-s3 {
# label = "SENSOR_CONFIG_EC_S3";
# odr = <(10000 | ROUND_UP_FLAG)>;
# };
# };
#
|
