--- alsa-lib-1.0.9rc2/src/mixer/mixer.c.old	2005-04-22 14:15:33.000000000 +0200
+++ alsa-lib-1.0.9rc2/src/mixer/mixer.c	2005-04-22 14:27:40.000000000 +0200
@@ -520,14 +520,22 @@
 	return c1->class->compare(c1, c2);
 }
 
+static snd_mixer_t *qsort_mixer;
 typedef int (*qsort_func)(const void *, const void *);
+
+static int compar(const void *a, const void *b) {
+       return qsort_mixer->compare(*(const snd_mixer_elem_t * const *) a,
+                                   *(const snd_mixer_elem_t * const *) b);
+}
+
 static int snd_mixer_sort(snd_mixer_t *mixer)
 {
 	unsigned int k;
 	assert(mixer);
 	assert(mixer->compare);
 	INIT_LIST_HEAD(&mixer->elems);
-	qsort(mixer->pelems, mixer->count, sizeof(snd_mixer_elem_t*), (qsort_func)mixer->compare);
+        qsort_mixer = mixer;
+	qsort(mixer->pelems, mixer->count, sizeof(snd_mixer_elem_t*), compar);
 	for (k = 0; k < mixer->count; k++)
 		list_add_tail(&mixer->pelems[k]->list, &mixer->elems);
 	return 0;