| // 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 serde::Deserialize; |
| |
| use crate::error::{Error, Result}; |
| |
| /// `DeviceSettings` includes the settings of max98390. 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: Vec<AmpCalibSettings>, |
| pub dsm_param: String, |
| } |
| |
| /// `AmpCalibSettings` includes the settings needed for amplifier calibration. |
| #[derive(Debug, Default, PartialEq, Deserialize, Clone)] |
| pub struct AmpCalibSettings { |
| /// `AmpSettings`. |
| pub amp: AmpSettings, |
| /// Vpd file of Rdc. |
| pub rdc_vpd: String, |
| /// Vpd file of ambient temperature. |
| pub temp_vpd: String, |
| /// File to store the boot time calibration values. |
| pub calib_file: String, |
| } |
| |
| /// `AmpSettings` represents mixer control names and amp params needed for amplifier calibration. |
| #[derive(Debug, Default, PartialEq, Deserialize, Clone)] |
| pub struct AmpSettings { |
| // Mixer control to get/set rdc value. |
| pub rdc_ctrl: String, |
| // Mixer control to get/set ambient temperature value. |
| pub temp_ctrl: String, |
| // Mixer control to trigger calibration. |
| pub calib_ctrl: String, |
| // Mixer control to adjust volume. |
| pub volume_ctrl: String, |
| // The threshold to put volume into normal. |
| pub volume_high_limit: i32, |
| // The threshold to put volume into protected mode. |
| pub volume_low_limit: i32, |
| // The upper limit of a valid temperature value. |
| pub temp_upper_limit: i32, |
| // The lower limit of a valid temperature value. |
| pub temp_lower_limit: i32, |
| } |
| |
| 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) |
| } |
| } |