ALSA: fireworks: ensure to release isochronous resources in pcm.hw_params callback

When stopping packet streaming in reserve function for duplex streams,
isochronous resources should be released.

Fixes: 7bc93821 ("ALSA: firewire-lib: split allocation of isochronous resources from establishment of connection")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/firewire/fireworks/fireworks_stream.c

@@ -217,6 +217,9 @@ int snd_efw_stream_reserve_duplex(struct snd_efw *efw, unsigned int rate)
 	if (rate != curr_rate) {
 		stop_stream(efw, &efw->tx_stream);
 		stop_stream(efw, &efw->rx_stream);
+
+		cmp_connection_release(&efw->out_conn);
+		cmp_connection_release(&efw->in_conn);
 	}
 
 	if (efw->substreams_counter == 0 || rate != curr_rate) {