Index: uspace/lib/drv/include/audio_pcm_iface.h
===================================================================
--- uspace/lib/drv/include/audio_pcm_iface.h	(revision 5337491165b4427c340aa2cbb3d6ed6a2fd87af9)
+++ uspace/lib/drv/include/audio_pcm_iface.h	(revision 20d77fbdda6dde00b2bbf1db077332ca4aeea104)
@@ -60,6 +60,9 @@
 	PCM_EVENT_FRAMES_CAPTURED,
 	PCM_EVENT_PLAYBACK_TERMINATED,
-	PCM_EVENT_CAPTURE_TERMINATED
+	PCM_EVENT_CAPTURE_TERMINATED,
 } pcm_event_t;
+
+const char *audio_pcm_cap_str(audio_cap_t);
+const char *audio_pcm_event_str(pcm_event_t);
 
 typedef async_sess_t audio_pcm_sess_t;