Index: uspace/drv/audio/hdaudio/pcm_iface.c
===================================================================
--- uspace/drv/audio/hdaudio/pcm_iface.c	(revision dd8ab1cacb307cb1ac01aa4918c789d13e112e56)
+++ uspace/drv/audio/hdaudio/pcm_iface.c	(revision 84a1a546f62a2ba0f913f8f1bfce8d4bc68d7aa4)
@@ -120,5 +120,5 @@
 		return 16384;
 	default:
-		return ENOTSUP;
+		return -1;
 	}
 }
Index: uspace/drv/audio/sb16/dsp.c
===================================================================
--- uspace/drv/audio/sb16/dsp.c	(revision dd8ab1cacb307cb1ac01aa4918c789d13e112e56)
+++ uspace/drv/audio/sb16/dsp.c	(revision 84a1a546f62a2ba0f913f8f1bfce8d4bc68d7aa4)
@@ -290,5 +290,5 @@
 		return 16535;
 	default:
-		return ENOTSUP;
+		return -1;
 	}
 }