ALSA: lola - Fix PCM stalls

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/lola/lola.h b/sound/pci/lola/lola.h
index 1041b0f..839779d 100644
--- a/sound/pci/lola/lola.h
+++ b/sound/pci/lola/lola.h
@@ -305,6 +305,7 @@
 
 	/* flags */
 	unsigned int opened:1;
+	unsigned int prepared:1;
 	unsigned int running:1;
 };