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// 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)
}
}
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