+static char ao_rn_buffer[64];
+static int ao_rn_buf_cnt, ao_rn_buf_ptr;
+static int ao_rn_draining;
+static AO_TICK_TYPE ao_rn_buf_time;
+
+/* Well, this is annoying. The status strings from the RN4678 can't be
+ * disabled due to a firmware bug. So, this code finds those in the
+ * input and strips them out.
+ */