| // Copyright 2020 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. |
| use std::string::String; |
| |
| use dsm::{self, Error, Result}; |
| use serde::Deserialize; |
| /// `DeviceSettings` includes the settings of max98373. It currently includes: |
| /// * the settings of amplifier calibration. |
| /// * the path of dsm_param. |
| #[derive(Debug, Default, PartialEq, Deserialize, Clone)] |
| pub struct DeviceSettings { |
| pub amp_calibrations: AmpCalibSettings, |
| } |
| |
| /// `AmpCalibSettings` includes the settings needed for amplifier calibration. |
| #[derive(Debug, Default, PartialEq, Deserialize, Clone)] |
| pub struct AmpCalibSettings { |
| pub dsm_param_read_ctrl: String, |
| pub dsm_param_write_ctrl: String, |
| pub temp_ctrl: Vec<String>, |
| // Path of the dsm_param.bin file. |
| pub dsm_param: String, |
| pub boot_time_calibration_enabled: bool, |
| } |
| |
| impl AmpCalibSettings { |
| /// Returns the number of channels. |
| pub fn num_channels(&self) -> usize { |
| self.temp_ctrl.len() |
| } |
| } |
| |
| impl DeviceSettings { |
| /// Creates a `DeviceSettings` from a yaml str. |
| pub fn from_yaml_str(conf: &str) -> Result<DeviceSettings> { |
| let settings: DeviceSettings = serde_yaml::from_str(conf) |
| .map_err(|e| Error::DeserializationFailed("DeviceSettings".to_owned(), e))?; |
| Ok(settings) |
| } |
| } |