ALSA: asihpi - Add adapter index to cache info for debug.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/asihpi/hpi6000.c b/sound/pci/asihpi/hpi6000.c
index c85db49..c486af1 100644
--- a/sound/pci/asihpi/hpi6000.c
+++ b/sound/pci/asihpi/hpi6000.c
@@ -582,6 +582,9 @@
 		pao->adapter_type, pao->index);
 	pao->open = 0;	/* upon creation the adapter is closed */
 
+	if (phw->p_cache)
+		phw->p_cache->adap_idx = pao->index;
+
 	return hpi_add_adapter(pao);
 }