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>

1 files changed, 15 insertions, 8 deletions

diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c
index cb65bd0..903594e 100644
--- a/sound/pci/ctxfi/ctatc.c
+++ b/sound/pci/ctxfi/ctatc.c
@@ -1225,10 +1225,11 @@ static int atc_dev_free(struct snd_device *dev)
 	return ct_atc_destroy(atc);
 }
 
-static int __devinit atc_identify_card(struct ct_atc *atc)
+static int __devinit atc_identify_card(struct ct_atc *atc, unsigned int ssid)
 {
 	const struct snd_pci_quirk *p;
 	const struct snd_pci_quirk *list;
+	u16 vendor_id, device_id;
 
 	switch (atc->chip_type) {
 	case ATC20K1:
@@ -1242,13 +1243,19 @@ static int __devinit atc_identify_card(struct ct_atc *atc)
 	default:
 		return -ENOENT;
 	}
-	p = snd_pci_quirk_lookup(atc->pci, list);
+	if (ssid) {
+		vendor_id = ssid >> 16;
+		device_id = ssid & 0xffff;
+	} else {
+		vendor_id = atc->pci->subsystem_vendor;
+		device_id = atc->pci->subsystem_device;
+	}
+	p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
 	if (p) {
 		if (p->value < 0) {
 			printk(KERN_ERR "ctxfi: "
 			       "Device %04x:%04x is black-listed\n",
-			       atc->pci->subsystem_vendor,
-			       atc->pci->subsystem_device);
+			       vendor_id, device_id);
 			return -ENOENT;
 		}
 		atc->model = p->value;
@@ -1261,8 +1268,7 @@ static int __devinit atc_identify_card(struct ct_atc *atc)
 	atc->model_name = ct_subsys_name[atc->model];
 	snd_printd("ctxfi: chip %s model %s (%04x:%04x) is found\n",
 		   atc->chip_name, atc->model_name,
-		   atc->pci->subsystem_vendor,
-		   atc->pci->subsystem_device);
+		   vendor_id, device_id);
 	return 0;
 }
 
@@ -1636,7 +1642,8 @@ static struct ct_atc atc_preset __devinitdata = {
 
 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)
+			    int chip_type, unsigned int ssid,
+			    struct ct_atc **ratc)
 {
 	struct ct_atc *atc;
 	static struct snd_device_ops ops = {
@@ -1662,7 +1669,7 @@ int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
 	mutex_init(&atc->atc_mutex);
 
 	/* Find card model */
-	err = atc_identify_card(atc);
+	err = atc_identify_card(atc, ssid);
 	if (err < 0) {
 		printk(KERN_ERR "ctatc: Card not recognised\n");
 		goto error1;