Index: uspace/drv/audio/sb16/mixer.c
===================================================================
--- uspace/drv/audio/sb16/mixer.c	(revision e941bf8f09481d11d14b73df15c106a0873f3f60)
+++ uspace/drv/audio/sb16/mixer.c	(revision ff396eab3112645fe1c7607eb45a89d6f77be1a8)
@@ -52,8 +52,8 @@
 /* CT1335 channels */
 static const channel_t channels_table_ct1335[] = {
-	{ "", 0x02, 1, 8, false }, /* Master, Mono, 3bit volume level */
-	{ "", 0x06, 1, 8, false }, /* Midi, Mono, 3bit volume level */
-	{ "", 0x08, 1, 8, false }, /* CD, Mono, 3bit volume level */
-	{ "", 0x0a, 1, 4, false }, /* Voice, Mono, 2bit volume level */
+	{ "Mono", 0x02, 1, 8, false }, /* Master, Mono, 3bit volume level */
+	{ "Mono", 0x06, 1, 8, false }, /* Midi, Mono, 3bit volume level */
+	{ "Mono", 0x08, 1, 8, false }, /* CD, Mono, 3bit volume level */
+	{ "Mono", 0x0a, 1, 4, false }, /* Voice, Mono, 2bit volume level */
 };
 
@@ -70,5 +70,5 @@
 	{ "Left", 0x04, 5, 8, true }, /* Voice, Left, 3bit volume level */
 	{ "Right", 0x04, 1, 8, true }, /* Voice, Right, 3bit volume level */
-	{ "", 0x0a, 1, 4, false }, /* Mic, Mono, 2bit volume level */
+	{ "Mono", 0x0a, 1, 4, false }, /* Mic, Mono, 2bit volume level */
 };
 
@@ -85,6 +85,6 @@
 	{ "Left", 0x38, 3, 32, false }, /* Line, Left, 5bit volume level */
 	{ "Right", 0x39, 3, 32, false }, /* Line, Right, 5bit volume level */
-	{ "", 0x3a, 3, 32, false }, /* Mic, Mono, 5bit volume level */
-	{ "", 0x3b, 6, 4, false }, /* PC speaker, Mono, 2bit level */
+	{ "Mono", 0x3a, 3, 32, false }, /* Mic, Mono, 5bit volume level */
+	{ "Mono", 0x3b, 6, 4, false }, /* PC speaker, Mono, 2bit level */
 	{ "Left", 0x3f, 6, 4, false }, /* Input Gain, Left, 2bit level */
 	{ "Right", 0x40, 6, 4, false }, /* Input Gain, Right, 2bit level */