fix: 补齐 ATX 控制器缺失接口并完成全项目 clippy -D warnings 修复

src/otg/service.rs

@@ -36,6 +36,7 @@ const FLAG_MSD: u8 = 0b10;
 
 /// HID device paths
 #[derive(Debug, Clone)]
+#[derive(Default)]
 pub struct HidDevicePaths {
     pub keyboard: Option<PathBuf>,
     pub mouse_relative: Option<PathBuf>,
@@ -43,16 +44,6 @@ pub struct HidDevicePaths {
     pub consumer: Option<PathBuf>,
 }
 
-impl Default for HidDevicePaths {
-    fn default() -> Self {
-        Self {
-            keyboard: None,
-            mouse_relative: None,
-            mouse_absolute: None,
-            consumer: None,
-        }
-    }
-}
 
 impl HidDevicePaths {
     pub fn existing_paths(&self) -> Vec<PathBuf> {
@@ -239,14 +230,13 @@ impl OtgService {
         let requested_functions = self.hid_functions.read().await.clone();
         {
             let state = self.state.read().await;
-            if state.hid_enabled {
-                if state.hid_functions.as_ref() == Some(&requested_functions) {
+            if state.hid_enabled
+                && state.hid_functions.as_ref() == Some(&requested_functions) {
                     if let Some(ref paths) = state.hid_paths {
                         info!("HID already enabled, returning existing paths");
                         return Ok(paths.clone());
                     }
                 }
-            }
         }
 
         // Recreate gadget with both HID and MSD if needed
@@ -671,7 +661,7 @@ mod tests {
     fn test_service_creation() {
         let _service = OtgService::new();
         // Just test that creation doesn't panic
-        assert!(!OtgService::is_available() || true); // Depends on environment
+        let _ = OtgService::is_available(); // Depends on environment
     }
 
     #[tokio::test]