1 files changed, 0 insertions, 153 deletions
diff --git a/sound_card_init/max98390d/src/lib.rs b/sound_card_init/max98390d/src/lib.rs
deleted file mode 100644
index 44b1c611..00000000
--- a/sound_card_init/max98390d/src/lib.rs
+++ /dev/null
@@ -1,153 +0,0 @@
-// 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.
-//! `max98390d` crate implements the required initialization workflows.
-//! It currently supports boot time calibration for max98390d.
-#![deny(missing_docs)]
-mod amp_calibration;
-mod datastore;
-mod error;
-mod settings;
-mod vpd;
-
-use std::fs;
-use std::path::{Path, PathBuf};
-use std::time::{Duration, SystemTime, UNIX_EPOCH};
-
-use cros_alsa::Card;
-use sys_util::error;
-use utils::{run_time, shutdown_time, DATASTORE_DIR};
-
-use crate::amp_calibration::{AmpCalibration, VolumeMode};
-use crate::error::{Error, Result};
-use crate::settings::DeviceSettings;
-
-const SPEAKER_COOL_DOWN_TIME: Duration = Duration::from_secs(180);
-
-/// Performs max98390d boot time calibration.
-///
-///
-/// # Arguments
-///
-/// * `snd_card` - The sound card name, ex: sofcmlmax98390d.
-/// * `conf` - The `DeviceSettings` in yaml format.
-///
-/// # Errors
-///
-/// If any amplifiers fail to complete the calibration.
-pub fn run_max98390d(snd_card: &str, conf: &str) -> Result<()> {
-    let settings = DeviceSettings::from_yaml_str(conf)?;
-    let mut card = Card::new(snd_card)?;
-
-    if !Path::new(&settings.dsm_param).exists() {
-        set_all_volume_low(&mut card, &settings);
-        return Err(Error::MissingDSMParam);
-    }
-
-    // Needs to check whether the speakers are over heated if it is not the first time boot.
-    if run_time::exists(snd_card) {
-        if let Err(err) = check_speaker_over_heated(snd_card, SPEAKER_COOL_DOWN_TIME) {
-            match err {
-                Error::HotSpeaker => run_all_hot_speaker_workflow(&mut card, &settings),
-                _ => {
-                    // We cannot assume the speakers are not replaced or not over heated
-                    // when the shutdown time file is invalid; therefore we can not use the datastore
-                    // value anymore and we can not trigger boot time calibration.
-                    del_all_datastore(snd_card, &settings);
-                    set_all_volume_low(&mut card, &settings);
-                }
-            };
-            return Err(err);
-        };
-    }
-
-    // If some error occurs during the calibration, the iteration will continue running the
-    // calibration for the next amp.
-    let results: Vec<Result<()>> = settings
-        .amp_calibrations
-        .into_iter()
-        .map(|s| {
-            let mut amp_calib = AmpCalibration::new(&mut card, s)?;
-            amp_calib.set_volume(VolumeMode::Low)?;
-            amp_calib.run()?;
-            amp_calib.set_volume(VolumeMode::High)?;
-            Ok(())
-        })
-        .filter_map(|res| res.err())
-        .map(|e| {
-            error!("calibration error: {}. volume remains low.", e);
-            Err(e)
-        })
-        .collect();
-
-    if !results.is_empty() {
-        return Err(Error::CalibrationFailed);
-    }
-
-    Ok(())
-}
-
-fn del_all_datastore(snd_card: &str, settings: &DeviceSettings) {
-    for s in &settings.amp_calibrations {
-        if let Err(e) = fs::remove_file(
-            PathBuf::from(DATASTORE_DIR)
-                .join(snd_card)
-                .join(&s.calib_file),
-        ) {
-            error!("failed to remove datastore: {}.", e);
-        }
-    }
-}
-
-fn run_all_hot_speaker_workflow(card: &mut Card, settings: &DeviceSettings) {
-    for s in &settings.amp_calibrations {
-        let mut amp_calib = match AmpCalibration::new(card, s.clone()) {
-            Ok(amp) => amp,
-            Err(e) => {
-                error!("{}.", e);
-                continue;
-            }
-        };
-        if let Err(e) = amp_calib.hot_speaker_workflow() {
-            error!("failed to run hot_speaker_workflow: {}.", e);
-        }
-    }
-}
-
-fn set_all_volume_low(card: &mut Card, settings: &DeviceSettings) {
-    for s in &settings.amp_calibrations {
-        let mut amp_calib = match AmpCalibration::new(card, s.clone()) {
-            Ok(amp) => amp,
-            Err(e) => {
-                error!("{}.", e);
-                continue;
-            }
-        };
-        if let Err(e) = amp_calib.set_volume(VolumeMode::Low) {
-            error!("failed to set volume to low: {}.", e);
-        }
-    }
-}
-
-// If (Current time - the latest CRAS shutdown time) < cool_down_time, we assume that
-// the speakers may be over heated.
-fn check_speaker_over_heated(snd_card: &str, cool_down_time: Duration) -> Result<()> {
-    let last_run = run_time::from_file(snd_card).map_err(Error::ReadTimestampFailed)?;
-    let last_shutdown = shutdown_time::from_file().map_err(Error::ReadTimestampFailed)?;
-    if last_shutdown < last_run {
-        return Err(Error::InvalidShutDownTime);
-    }
-
-    let now = SystemTime::now()
-        .duration_since(UNIX_EPOCH)
-        .map_err(Error::SystemTimeError)?;
-
-    let elapsed = now
-        .checked_sub(last_shutdown)
-        .ok_or(Error::InvalidShutDownTime)?;
-
-    if elapsed < cool_down_time {
-        return Err(Error::HotSpeaker);
-    }
-    Ok(())
-}