1 files changed, 18 insertions, 4 deletions
diff --git a/sound_card_init/amp/src/lib.rs b/sound_card_init/amp/src/lib.rs
index 7486ff0a..7114233d 100644
--- a/sound_card_init/amp/src/lib.rs
+++ b/sound_card_init/amp/src/lib.rs
@@ -7,6 +7,7 @@
 
 mod max98373d;
 mod max98390d;
+use std::path::PathBuf;
 
 use dsm::Error;
 
@@ -19,19 +20,32 @@ const CONF_DIR: &str = "/etc/sound_card_init";
 /// It creates `Amp` object based on the sound card name.
 pub struct AmpBuilder<'a> {
     sound_card_id: &'a str,
+    config_path: PathBuf,
 }
 
 impl<'a> AmpBuilder<'a> {
     /// Creates an `AmpBuilder`.
-    pub fn new(sound_card_id: &'a str) -> Self {
-        AmpBuilder { sound_card_id }
+    /// # Arguments
+    ///
+    /// * `card_name` - card name.
+    /// * `conf_file` - config file name.
+    pub fn new(sound_card_id: &'a str, conf_file: &'a str) -> Self {
+        let config_path = PathBuf::from(CONF_DIR).join(conf_file);
+        AmpBuilder {
+            sound_card_id,
+            config_path,
+        }
     }
 
     /// Creates an `Amp` based on the sound card name.
     pub fn build(&self) -> Result<Box<dyn Amp>> {
         match self.sound_card_id {
-            "sofcmlmax98390d" => Ok(Box::new(Max98390::new(self.sound_card_id)?) as Box<dyn Amp>),
-            "sofrt5682" => Ok(Box::new(Max98373::new(self.sound_card_id)?) as Box<dyn Amp>),
+            "sofcmlmax98390d" => {
+                Ok(Box::new(Max98390::new(self.sound_card_id, &self.config_path)?) as Box<dyn Amp>)
+            }
+            "sofrt5682" => {
+                Ok(Box::new(Max98373::new(self.sound_card_id, &self.config_path)?) as Box<dyn Amp>)
+            }
             _ => Err(Error::UnsupportedSoundCard(self.sound_card_id.to_owned())),
         }
     }