diff --git a/spa/plugins/alsa/alsa-udev.c b/spa/plugins/alsa/alsa-udev.c
index 7d1ae9a3a..b05bd7d06 100644
--- a/spa/plugins/alsa/alsa-udev.c
+++ b/spa/plugins/alsa/alsa-udev.c
@@ -39,6 +39,14 @@ enum action {
 /* Used for unavailable devices in the card structure. */
 #define ID_DEVICE_NOT_SUPPORTED 0
 
+#define MAX_PARENT_TRAVERSAL_DEPTH 5
+
+enum wireless_status {
+	WIRELESS_STATUS_UNKNOWN = 0,
+	WIRELESS_STATUS_CONNECTED,
+	WIRELESS_STATUS_DISCONNECTED,
+};
+
 /* This represents an ALSA card.
  * One card can have up to 1 PCM and 1 Compress-Offload device. */
 struct card {
@@ -48,6 +56,7 @@ struct card {
 	unsigned int accessible:1;
 	unsigned int ignored:1;
 	unsigned int emitted:1;
+	unsigned int wireless_disconnected:1;
 
 	/* Local SPA object IDs. (Global IDs are produced by PipeWire
 	 * out of this using its registry.) Compress-Offload or PCM
@@ -59,6 +68,8 @@ struct card {
 	 * is used because 0 is a valid ALSA card number. */
 	uint32_t pcm_device_id;
 	uint32_t compress_offload_device_id;
+
+	char *wireless_status_path;
 };
 
 static uint32_t calc_pcm_device_id(struct card *card)
@@ -144,14 +155,19 @@ static struct card *find_card(struct impl *this, unsigned int card_nr)
 static void remove_card(struct impl *this, struct card *card)
 {
 	udev_device_unref(card->udev_device);
-	*card = this->cards[--this->n_cards];
+	free(card->wireless_status_path);
+	this->n_cards--;
+	if (card != &this->cards[this->n_cards])
+		*card = this->cards[this->n_cards];
 }
 
 static void clear_cards(struct impl *this)
 {
         unsigned int i;
-	for (i = 0; i < this->n_cards; i++)
+	for (i = 0; i < this->n_cards; i++) {
 	        udev_device_unref(this->cards[i].udev_device);
+		free(this->cards[i].wireless_status_path);
+	}
 	this->n_cards = 0;
 }