ALSA: ctxfi - Add subsystem option

Added a new option "subsystem" to override the PCI SSID for identifying
the card type.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ctxfi/ctatc.h b/sound/pci/ctxfi/ctatc.h
index 9fd8a57..7167c01 100644
--- a/sound/pci/ctxfi/ctatc.h
+++ b/sound/pci/ctxfi/ctatc.h
@@ -148,7 +148,7 @@
 
 int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
 			    unsigned int rsr, unsigned int msr, int chip_type,
-			    struct ct_atc **ratc);
+			    unsigned int subsysid, struct ct_atc **ratc);
 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc);
 
 #endif /* CTATC_H */