1 files changed, 0 insertions, 40 deletions
diff --git a/cros_alsa/cros_alsa_derive/src/control.rs b/cros_alsa/cros_alsa_derive/src/control.rs
deleted file mode 100644
index 584a5418..00000000
--- a/cros_alsa/cros_alsa_derive/src/control.rs
+++ /dev/null
@@ -1,40 +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.
-
-//! This mod provides derive macros for cros_alsa::control.
-
-use proc_macro::TokenStream;
-use proc_macro2::Span;
-use quote::quote;
-
-use crate::common::{parse_cros_alsa_attr, CrosAlsaAttr};
-
-/// The provide default implementation for `ControlOps`.
-/// Users could hold `Ctl` and `ElemID` as `handle` and `id` in their control structure and use
-/// `#[derive(ControlOps)]` macro to generate default load / save implementations.
-pub fn impl_control_ops(ast: &syn::DeriveInput) -> TokenStream {
-    let name = &ast.ident;
-    let (impl_generics, ty_generics, where_clause) = ast.generics.split_for_impl();
-    let attrs = match parse_cros_alsa_attr(&ast.attrs) {
-        Ok(attrs) => attrs,
-        Err(e) => return e.to_compile_error().into(),
-    };
-    let path = match attrs.iter().find(|x| x.is_path()) {
-        Some(CrosAlsaAttr::Path(path)) => path.clone(),
-        None => syn::LitStr::new("cros_alsa", Span::call_site())
-            .parse()
-            .expect("failed to create a default path for derive macro: ControlOps"),
-    };
-    let gen = quote! {
-        impl #impl_generics #path::ControlOps #impl_generics for #name #ty_generics #where_clause {
-            fn load(&mut self) -> ::std::result::Result<<Self as #path::Control #impl_generics>::Item, #path::ControlError> {
-                Ok(<Self as #path::Control>::Item::load(self.handle, &self.id)?)
-            }
-            fn save(&mut self, val: <Self as #path::Control #impl_generics>::Item) -> ::std::result::Result<bool, #path::ControlError> {
-                Ok(<Self as #path::Control>::Item::save(self.handle, &self.id, val)?)
-            }
-        }
-    };
-    gen.into()
-}