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, 4 insertions, 1 deletions

diff --git a/sound/pci/ctxfi/xfi.c b/sound/pci/ctxfi/xfi.c
index 76541748e7bc..ed44ed788b60 100644
--- a/sound/pci/ctxfi/xfi.c
+++ b/sound/pci/ctxfi/xfi.c
@@ -32,6 +32,7 @@ module_param(multiple, uint, S_IRUGO);
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+static unsigned int subsystem[SNDRV_CARDS];
 
 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver");
@@ -39,6 +40,8 @@ module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver");
+module_param_array(subsystem, int, NULL, 0444);
+MODULE_PARM_DESC(subsystem, "Override subsystem ID for Creative X-Fi driver");
 
 static struct pci_device_id ct_pci_dev_ids[] = {
         /* only X-Fi is supported, so... */
@@ -85,7 +88,7 @@ ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
                 multiple = 2;
         }
         err = ct_atc_create(card, pci, reference_rate, multiple,
-                            pci_id->driver_data, &atc);
+                            pci_id->driver_data, subsystem[dev], &atc);
         if (err < 0)
                 goto error;