diff --git a/sys/dev/sound/pcm/feeder.h b/sys/dev/sound/pcm/feeder.h
--- a/sys/dev/sound/pcm/feeder.h
+++ b/sys/dev/sound/pcm/feeder.h
@@ -35,7 +35,7 @@
 
 struct feeder_class {
 	KOBJ_CLASS_FIELDS;
-	struct pcm_feederdesc *desc;
+	struct pcm_feederdesc desc;
 	void *data;
 };
 
@@ -64,12 +64,12 @@
 void feeder_printchain(struct pcm_feeder *head);
 int feeder_chain(struct pcm_channel *);
 
-#define FEEDER_DECLARE(feeder, pdata)					\
+#define FEEDER_DECLARE(feeder, type, pdata)				\
 static struct feeder_class feeder ## _class = {				\
 	.name =		#feeder,					\
 	.methods =	feeder ## _methods,				\
 	.size =		sizeof(struct pcm_feeder),			\
-	.desc =		feeder ## _desc,				\
+	.desc =		{ type, 0, 0, 0 },				\
 	.data =		pdata,						\
 };									\
 SYSINIT(feeder, SI_SUB_DRIVERS, SI_ORDER_ANY, feeder_register,		\
diff --git a/sys/dev/sound/pcm/feeder.c b/sys/dev/sound/pcm/feeder.c
--- a/sys/dev/sound/pcm/feeder.c
+++ b/sys/dev/sound/pcm/feeder.c
@@ -70,22 +70,13 @@
 {
 	struct feeder_class *fc = p;
 	struct feedertab_entry *fte;
-	int i;
 
-	KASSERT(fc->desc != NULL, ("feeder '%s' has no descriptor", fc->name));
-
-	/*
-	 * beyond this point failure is non-fatal but may result in some
-	 * translations being unavailable
-	 */
-	i = 0;
-	while (fc->desc[i].type > 0) {
-		fte = malloc(sizeof(*fte), M_FEEDER, M_WAITOK | M_ZERO);
-		fte->feederclass = fc;
-		fte->desc = &fc->desc[i];
-		SLIST_INSERT_HEAD(&feedertab, fte, link);
-		i++;
-	}
+	KASSERT(fc->desc.type != 0, ("feeder '%s' has no descriptor", fc->name));
+
+	fte = malloc(sizeof(*fte), M_FEEDER, M_WAITOK | M_ZERO);
+	fte->feederclass = fc;
+	fte->desc = &fc->desc;
+	SLIST_INSERT_HEAD(&feedertab, fte, link);
 }
 
 static void
@@ -442,7 +433,7 @@
 	.name =		"feeder_root",
 	.methods =	feeder_root_methods,
 	.size =		sizeof(struct pcm_feeder),
-	.desc =		NULL,
+	.desc =		{ 0 },
 	.data =		NULL,
 };
 /*
diff --git a/sys/dev/sound/pcm/feeder_eq.c b/sys/dev/sound/pcm/feeder_eq.c
--- a/sys/dev/sound/pcm/feeder_eq.c
+++ b/sys/dev/sound/pcm/feeder_eq.c
@@ -419,11 +419,6 @@
 	return (dst - b);
 }
 
-static struct pcm_feederdesc feeder_eq_desc[] = {
-	{ FEEDER_EQ, 0, 0, 0 },
-	{ 0, 0, 0, 0 }
-};
-
 static kobj_method_t feeder_eq_methods[] = {
 	KOBJMETHOD(feeder_init,		feed_eq_init),
 	KOBJMETHOD(feeder_free,		feed_eq_free),
@@ -432,7 +427,7 @@
 	KOBJMETHOD_END
 };
 
-FEEDER_DECLARE(feeder_eq, NULL);
+FEEDER_DECLARE(feeder_eq, FEEDER_EQ, NULL);
 
 static int32_t
 feed_eq_scan_preamp_arg(const char *s)
diff --git a/sys/dev/sound/pcm/feeder_format.c b/sys/dev/sound/pcm/feeder_format.c
--- a/sys/dev/sound/pcm/feeder_format.c
+++ b/sys/dev/sound/pcm/feeder_format.c
@@ -172,11 +172,6 @@
 	return (dst - b);
 }
 
-static struct pcm_feederdesc feeder_format_desc[] = {
-	{ FEEDER_FORMAT, 0, 0, 0 },
-	{ 0, 0, 0, 0 }
-};
-
 static kobj_method_t feeder_format_methods[] = {
 	KOBJMETHOD(feeder_init,		feed_format_init),
 	KOBJMETHOD(feeder_free,		feed_format_free),
@@ -185,4 +180,4 @@
 	KOBJMETHOD_END
 };
 
-FEEDER_DECLARE(feeder_format, NULL);
+FEEDER_DECLARE(feeder_format, FEEDER_FORMAT, NULL);
diff --git a/sys/dev/sound/pcm/feeder_matrix.c b/sys/dev/sound/pcm/feeder_matrix.c
--- a/sys/dev/sound/pcm/feeder_matrix.c
+++ b/sys/dev/sound/pcm/feeder_matrix.c
@@ -398,11 +398,6 @@
 	return (dst - b);
 }
 
-static struct pcm_feederdesc feeder_matrix_desc[] = {
-	{ FEEDER_MATRIX, 0, 0, 0 },
-	{ 0, 0, 0, 0 }
-};
-
 static kobj_method_t feeder_matrix_methods[] = {
 	KOBJMETHOD(feeder_init,		feed_matrix_init),
 	KOBJMETHOD(feeder_free,		feed_matrix_free),
@@ -410,7 +405,7 @@
 	KOBJMETHOD_END
 };
 
-FEEDER_DECLARE(feeder_matrix, NULL);
+FEEDER_DECLARE(feeder_matrix, FEEDER_MATRIX, NULL);
 
 /* External */
 int
diff --git a/sys/dev/sound/pcm/feeder_mixer.c b/sys/dev/sound/pcm/feeder_mixer.c
--- a/sys/dev/sound/pcm/feeder_mixer.c
+++ b/sys/dev/sound/pcm/feeder_mixer.c
@@ -358,11 +358,6 @@
 	return (rcnt);
 }
 
-static struct pcm_feederdesc feeder_mixer_desc[] = {
-	{ FEEDER_MIXER, 0, 0, 0 },
-	{ 0, 0, 0, 0 }
-};
-
 static kobj_method_t feeder_mixer_methods[] = {
 	KOBJMETHOD(feeder_init,		feed_mixer_init),
 	KOBJMETHOD(feeder_free,		feed_mixer_free),
@@ -371,4 +366,4 @@
 	KOBJMETHOD_END
 };
 
-FEEDER_DECLARE(feeder_mixer, NULL);
+FEEDER_DECLARE(feeder_mixer, FEEDER_MIXER, NULL);
diff --git a/sys/dev/sound/pcm/feeder_rate.c b/sys/dev/sound/pcm/feeder_rate.c
--- a/sys/dev/sound/pcm/feeder_rate.c
+++ b/sys/dev/sound/pcm/feeder_rate.c
@@ -1705,11 +1705,6 @@
 	return (count - left);
 }
 
-static struct pcm_feederdesc feeder_rate_desc[] = {
-	{ FEEDER_RATE, 0, 0, 0 },
-	{ 0, 0, 0, 0 },
-};
-
 static kobj_method_t feeder_rate_methods[] = {
 	KOBJMETHOD(feeder_init,		z_resampler_init),
 	KOBJMETHOD(feeder_free,		z_resampler_free),
@@ -1719,4 +1714,4 @@
 	KOBJMETHOD_END
 };
 
-FEEDER_DECLARE(feeder_rate, NULL);
+FEEDER_DECLARE(feeder_rate, FEEDER_RATE, NULL);
diff --git a/sys/dev/sound/pcm/feeder_volume.c b/sys/dev/sound/pcm/feeder_volume.c
--- a/sys/dev/sound/pcm/feeder_volume.c
+++ b/sys/dev/sound/pcm/feeder_volume.c
@@ -306,11 +306,6 @@
 	return (dst - b);
 }
 
-static struct pcm_feederdesc feeder_volume_desc[] = {
-	{ FEEDER_VOLUME, 0, 0, 0 },
-	{ 0, 0, 0, 0 }
-};
-
 static kobj_method_t feeder_volume_methods[] = {
 	KOBJMETHOD(feeder_init,		feed_volume_init),
 	KOBJMETHOD(feeder_free,		feed_volume_free),
@@ -319,7 +314,7 @@
 	KOBJMETHOD_END
 };
 
-FEEDER_DECLARE(feeder_volume, NULL);
+FEEDER_DECLARE(feeder_volume, FEEDER_VOLUME, NULL);
 
 /* Extern */