diff -u alsactl.c alsactl.c
--- alsactl.c	2007-05-22 22:03:36.000000000 +0200
+++ alsactl.c	2007-05-22 22:06:43.000000000 +0200
@@ -51,6 +51,8 @@
 	printf("                   to configuration file\n");
 	printf("  restore <card #> load current driver setup for one or each soundcards\n");
 	printf("                   from configuration file\n");
+	printf("  names   <card #> dump information about all the known present (sub-)devices\n");
+	printf("                   into configuration file\n");
 }
 
 int main(int argc, char *argv[])