silence warning

src/audio_input.rs

@@ -112,7 +112,13 @@ where
             let _ = tx.send(out);
         },
         move |err| {
-            eprintln!("CPAL input stream error: {err}");
+            if let cpal::StreamError::BackendSpecific {
+                err: cpal::BackendSpecificError { ref description },
+            } = err
+                && description != "`alsa::poll()` spuriously returned"
+            {
+                error!("CPAL stream error: {err}");
+            }
         },
         Some(std::time::Duration::from_millis(10)), // latency
     )