1 files changed, 0 insertions, 72 deletions
diff --git a/sound_card_init/dsm/src/datastore.rs b/sound_card_init/dsm/src/datastore.rs
deleted file mode 100644
index f0180cc2..00000000
--- a/sound_card_init/dsm/src/datastore.rs
+++ /dev/null
@@ -1,72 +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.
-use std::fs::{remove_file, File};
-use std::io::{prelude::*, BufReader, BufWriter};
-use std::path::PathBuf;
-
-use serde::{Deserialize, Serialize};
-use sys_util::info;
-
-use crate::error::{Error, Result};
-
-/// `Datastore`, which stores and reads calibration values in yaml format.
-#[derive(Debug, Deserialize, Serialize, Copy, Clone)]
-pub enum Datastore {
-    /// Indicates using values in VPD.
-    UseVPD,
-    DSM {
-        rdc: i32,
-        temp: i32,
-    },
-}
-
-impl Datastore {
-    /// The dir of datastore.
-    pub const DATASTORE_DIR: &'static str = "/var/lib/sound_card_init";
-
-    /// Creates a `Datastore` and initializes its fields from the datastore file.
-    pub fn from_file(snd_card: &str, channel: usize) -> Result<Datastore> {
-        let path = Self::path(snd_card, channel);
-        let reader =
-            BufReader::new(File::open(&path).map_err(|e| Error::FileIOFailed(path.to_owned(), e))?);
-        let datastore: Datastore =
-            serde_yaml::from_reader(reader).map_err(|e| Error::SerdeError(path.to_owned(), e))?;
-        Ok(datastore)
-    }
-
-    /// Saves a `Datastore` to file.
-    pub fn save(&self, snd_card: &str, channel: usize) -> Result<()> {
-        let path = Self::path(snd_card, channel);
-
-        let mut writer = BufWriter::new(
-            File::create(&path).map_err(|e| Error::FileIOFailed(path.to_owned(), e))?,
-        );
-        writer
-            .write(
-                serde_yaml::to_string(self)
-                    .map_err(|e| Error::SerdeError(path.to_owned(), e))?
-                    .as_bytes(),
-            )
-            .map_err(|e| Error::FileIOFailed(path.to_owned(), e))?;
-        writer
-            .flush()
-            .map_err(|e| Error::FileIOFailed(path.to_owned(), e))?;
-        info!("update Datastore {}: {:?}", path.to_string_lossy(), self);
-        Ok(())
-    }
-
-    /// Deletes the datastore file.
-    pub fn delete(snd_card: &str, channel: usize) -> Result<()> {
-        let path = Self::path(snd_card, channel);
-        remove_file(&path).map_err(|e| Error::FileIOFailed(path.to_owned(), e))?;
-        info!("datastore: {:#?} is deleted.", path);
-        Ok(())
-    }
-
-    fn path(snd_card: &str, channel: usize) -> PathBuf {
-        PathBuf::from(Self::DATASTORE_DIR)
-            .join(snd_card)
-            .join(format!("calib_{}", channel))
-    }
-}