Index: uspace/drv/audio/sb16/mixer.c
===================================================================
--- uspace/drv/audio/sb16/mixer.c	(revision 050d4fa3cb229d794ef21cf55ce0398a74fcac76)
+++ uspace/drv/audio/sb16/mixer.c	(revision bde691c94fe7d6aed67f175af380707953b611e9)
@@ -89,24 +89,24 @@
 };
 
-static void mixer_max_master_levels(sb_mixer_t *mixer)
+static void sb_mixer_max_master_levels(sb_mixer_t *mixer)
 {
 	assert(mixer);
 	/* Set Master to maximum */
-	if (!mixer_get_control_item_count(mixer))
+	if (!sb_mixer_get_control_item_count(mixer))
 		return;
 	unsigned levels = 0, channels = 0, current_level;
 	const char *name = NULL;
-	mixer_get_control_item_info(mixer, 0, &name, &channels, &levels);
+	sb_mixer_get_control_item_info(mixer, 0, &name, &channels, &levels);
 	unsigned channel = 0;
 	for (;channel < channels; ++channel) {
 		current_level =
-		    mixer_get_volume_level(mixer, 0, channel);
+		    sb_mixer_get_volume_level(mixer, 0, channel);
 		ddf_log_note("Setting %s channel %d to %d (%d).\n",
 		    name, channel, levels - 1, current_level);
 
-		mixer_set_volume_level(mixer, 0, channel, levels - 1);
+		sb_mixer_set_volume_level(mixer, 0, channel, levels - 1);
 
 		current_level =
-		    mixer_get_volume_level(mixer, 0, channel);
+		    sb_mixer_get_volume_level(mixer, 0, channel);
 		ddf_log_note("%s channel %d set to %d.\n",
 		    name, channel, current_level);
@@ -115,5 +115,5 @@
 }
 /*----------------------------------------------------------------------------*/
-const char * mixer_type_str(mixer_type_t type)
+const char * sb_mixer_type_str(sb_mixer_type_t type)
 {
 	static const char * names[] = {
@@ -126,5 +126,5 @@
 }
 /*----------------------------------------------------------------------------*/
-int mixer_init(sb_mixer_t *mixer, sb16_regs_t *regs, mixer_type_t type)
+int sb_mixer_init(sb_mixer_t *mixer, sb16_regs_t *regs, sb_mixer_type_t type)
 {
 	assert(mixer);
@@ -137,10 +137,10 @@
 		pio_write_8(&regs->mixer_address, CT_MIXER_RESET_ADDRESS);
 		pio_write_8(&regs->mixer_data, 1);
-		mixer_max_master_levels(mixer);
+		sb_mixer_max_master_levels(mixer);
 	}
 	return EOK;
 }
 /*----------------------------------------------------------------------------*/
-int mixer_get_control_item_count(const sb_mixer_t *mixer)
+int sb_mixer_get_control_item_count(const sb_mixer_t *mixer)
 {
 	assert(mixer);
@@ -148,5 +148,5 @@
 }
 /*----------------------------------------------------------------------------*/
-int mixer_get_control_item_info(const sb_mixer_t *mixer, unsigned index,
+int sb_mixer_get_control_item_info(const sb_mixer_t *mixer, unsigned index,
     const char** name, unsigned *channels, unsigned *levels)
 {
@@ -164,5 +164,5 @@
 }
 /*----------------------------------------------------------------------------*/
-int mixer_set_volume_level(const sb_mixer_t *mixer,
+int sb_mixer_set_volume_level(const sb_mixer_t *mixer,
     unsigned index, unsigned channel, unsigned level)
 {
@@ -194,5 +194,5 @@
 }
 /*----------------------------------------------------------------------------*/
-unsigned mixer_get_volume_level(const sb_mixer_t *mixer, unsigned index,
+unsigned sb_mixer_get_volume_level(const sb_mixer_t *mixer, unsigned index,
     unsigned channel)
 {
Index: uspace/drv/audio/sb16/mixer.h
===================================================================
--- uspace/drv/audio/sb16/mixer.h	(revision 050d4fa3cb229d794ef21cf55ce0398a74fcac76)
+++ uspace/drv/audio/sb16/mixer.h	(revision bde691c94fe7d6aed67f175af380707953b611e9)
@@ -43,19 +43,19 @@
 	SB_MIXER_CT1745,
 	SB_MIXER_UNKNOWN,
-} mixer_type_t;
+} sb_mixer_type_t;
 
 typedef struct sb_mixer {
 	sb16_regs_t *regs;
-	mixer_type_t type;
+	sb_mixer_type_t type;
 } sb_mixer_t;
 
-const char * mixer_type_str(mixer_type_t type);
-int mixer_init(sb_mixer_t *mixer, sb16_regs_t *regs, mixer_type_t type);
-int mixer_get_control_item_count(const sb_mixer_t *mixer);
-int mixer_get_control_item_info(const sb_mixer_t *mixer, unsigned index,
+const char * sb_mixer_type_str(sb_mixer_type_t type);
+int sb_mixer_init(sb_mixer_t *mixer, sb16_regs_t *regs, sb_mixer_type_t type);
+int sb_mixer_get_control_item_count(const sb_mixer_t *mixer);
+int sb_mixer_get_control_item_info(const sb_mixer_t *mixer, unsigned index,
     const char** name, unsigned *channels, unsigned *levels);
-int mixer_set_volume_level(const sb_mixer_t *mixer,
+int sb_mixer_set_volume_level(const sb_mixer_t *mixer,
     unsigned item, unsigned channel, unsigned level);
-unsigned mixer_get_volume_level(const sb_mixer_t *mixer,
+unsigned sb_mixer_get_volume_level(const sb_mixer_t *mixer,
     unsigned item, unsigned channel);
 #endif
Index: uspace/drv/audio/sb16/sb16.c
===================================================================
--- uspace/drv/audio/sb16/sb16.c	(revision 050d4fa3cb229d794ef21cf55ce0398a74fcac76)
+++ uspace/drv/audio/sb16/sb16.c	(revision bde691c94fe7d6aed67f175af380707953b611e9)
@@ -41,5 +41,6 @@
     { .cmdcount = 1, .cmds = (irq_cmd_t*)irq_cmds };
 
-static mixer_type_t mixer_type_by_dsp_version(unsigned major, unsigned minor)
+static inline sb_mixer_type_t sb_mixer_type_by_dsp_version(
+    unsigned major, unsigned minor)
 {
 	switch (major)
@@ -91,8 +92,8 @@
 
 	/* Initialize mixer */
-	const mixer_type_t mixer_type = mixer_type_by_dsp_version(
+	const sb_mixer_type_t mixer_type = sb_mixer_type_by_dsp_version(
 	    drv->dsp_version.major, drv->dsp_version.minor);
 
-	ret = mixer_init(&drv->mixer, drv->regs, mixer_type);
+	ret = sb_mixer_init(&drv->mixer, drv->regs, mixer_type);
 	if (ret != EOK) {
 		ddf_log_error("Failed to initialize SB mixer: %s.\n",
@@ -101,5 +102,5 @@
 	}
 	ddf_log_note("Initialized mixer: %s.\n",
-	    mixer_type_str(drv->mixer.type));
+	    sb_mixer_type_str(drv->mixer.type));
 
 	return EOK;