diff --git a/src/alsa.c b/src/alsa.c
index 39a6fe9..4b64d95 100644
--- a/src/alsa.c
+++ b/src/alsa.c
@@ -470,6 +470,14 @@ static void alsa_add_card_callback(struct alsa_card *card) {
   );
 }
 
+static void alsa_get_firmware_version(struct alsa_card *card) {
+  struct alsa_elem *elem = get_elem_by_name(card->elems, "Firmware Version");
+
+  if (!elem)
+    return;
+  card->firmware_version = alsa_get_elem_value(elem);
+}
+
 static void alsa_subscribe(struct alsa_card *card) {
   int count = snd_ctl_poll_descriptors_count(card->handle);
 
@@ -524,6 +532,7 @@ void alsa_scan_cards(void) {
     card->handle = ctl;
 
     alsa_get_elem_list(card);
+    alsa_get_firmware_version(card);
     alsa_subscribe(card);
 
     create_card_window(card);
diff --git a/src/alsa.h b/src/alsa.h
index 6c46145..c0d58c6 100644
--- a/src/alsa.h
+++ b/src/alsa.h
@@ -145,6 +145,7 @@ struct alsa_card {
   char               *name;
   snd_ctl_t          *handle;
   struct pollfd       pfd;
+  int                 firmware_version;
   GArray             *elems;
   struct alsa_elem   *sample_capture_elem;
   struct alsa_elem   *level_meter_elem;
diff --git a/src/menu.c b/src/menu.c
index 2fecee6..3411eff 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -149,7 +149,10 @@ void add_startup_action_map(struct alsa_card *card) {
 
 static const GActionEntry mixer_entries[] = {
   {"routing", activate_routing, NULL, "false"},
-  {"mixer",   activate_mixer,   NULL, "false"},
+  {"mixer",   activate_mixer,   NULL, "false"}
+};
+
+static const GActionEntry levels_entries[] = {
   {"levels",  activate_levels,  NULL, "false"}
 };
 
@@ -160,4 +163,13 @@ void add_mixer_action_map(struct alsa_card *card) {
     G_N_ELEMENTS(mixer_entries),
     card
   );
+
+  if (card->firmware_version) {
+    g_action_map_add_action_entries(
+      G_ACTION_MAP(card->window_main),
+      levels_entries,
+      G_N_ELEMENTS(levels_entries),
+      card
+    );
+  }
 }