ALSA: ctxfi: added reference of snd_card

added a pointer of snd_card in some of the structures to get a
reference of the card from other functions.
these references of snd_card will be initialised in the next patch
of this series and as of now these snd_card will be used to print the
the device information when we convert the pr_* macros to dev_* in a
later patch of this series.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ctxfi/ctamixer.h b/sound/pci/ctxfi/ctamixer.h
index 6fa5eff..72f42f2 100644
--- a/sound/pci/ctxfi/ctamixer.h
+++ b/sound/pci/ctxfi/ctamixer.h
@@ -21,6 +21,7 @@
 
 #include "ctresource.h"
 #include <linux/spinlock.h>
+#include <sound/core.h>
 
 /* Define the descriptor of a summation node resource */
 struct sum {
@@ -35,6 +36,7 @@
 
 struct sum_mgr {
 	struct rsc_mgr mgr;	/* Basic resource manager info */
+	struct snd_card *card;	/* pointer to this card */
 	spinlock_t mgr_lock;
 
 	 /* request one sum resource */
@@ -79,6 +81,7 @@
 
 struct amixer_mgr {
 	struct rsc_mgr mgr;	/* Basic resource manager info */
+	struct snd_card *card;	/* pointer to this card */
 	spinlock_t mgr_lock;
 
 	 /* request one amixer resource */