[ALSA] snd-ca0106: Add new card variant.

Fixed ALSA bug#2326
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/pci/ca0106/ca0106_main.c

@@ -154,6 +154,7 @@ MODULE_SUPPORTED_DEVICE("{{Creative,SB CA0106 chip}}");
 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 uint subsystem[SNDRV_CARDS]; /* Force card subsystem model */
 
 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for the CA0106 soundcard.");
@@ -161,6 +162,8 @@ module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for the CA0106 soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable the CA0106 soundcard.");
+module_param_array(subsystem, uint, NULL, 0444);
+MODULE_PARM_DESC(subsystem, "Force card subsystem model.");
 
 #include "ca0106.h"
 
@@ -194,6 +197,17 @@ static struct snd_ca0106_details ca0106_chip_details[] = {
 	   .gpio_type = 1,
 	   .i2c_adc = 1,
 	   .spi_dac = 1 } ,
+	 /* New Audigy LS. Has a different DAC. */
+	 /* SB0570:
+	  * CTRL:CA0106-DAT
+	  * ADC: WM8775EDS
+	  * DAC: WM8768GEDS
+	  */
+	 { .serial = 0x10111102,
+	   .name   = "Audigy LS [SB0570a]",
+	   .gpio_type = 1,
+	   .i2c_adc = 1,
+	   .spi_dac = 1 } ,
 	 /* MSI K8N Diamond Motherboard with onboard SB Live 24bit without AC97 */
 	 /* SB0438
 	  * CTRL:CA0106-DAT
@@ -1223,7 +1237,7 @@ static unsigned int i2c_adc_init[][2] = {
 	{ 0x15, ADC_MUX_LINEIN },  /* ADC Mixer control */
 };
 
-static int __devinit snd_ca0106_create(struct snd_card *card,
+static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
 					 struct pci_dev *pci,
 					 struct snd_ca0106 **rchip)
 {
@@ -1286,17 +1300,25 @@ static int __devinit snd_ca0106_create(struct snd_card *card,
 	pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
 	pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
 #if 1
-	printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model,
+	printk(KERN_INFO "snd-ca0106: Model %04x Rev %08x Serial %08x\n", chip->model,
 	       chip->revision, chip->serial);
 #endif
 	strcpy(card->driver, "CA0106");
 	strcpy(card->shortname, "CA0106");
 
 	for (c = ca0106_chip_details; c->serial; c++) {
-		if (c->serial == chip->serial)
+		if (subsystem[dev]) {
+			if (c->serial == subsystem[dev])
+				break;
+		} else if (c->serial == chip->serial)
 			break;
 	}
 	chip->details = c;
+	if (subsystem[dev]) {
+		printk(KERN_INFO "snd-ca0106: Sound card name=%s, subsystem=0x%x. Forced to subsytem=0x%x\n",
+                        c->name, chip->serial, subsystem[dev]);
+	}
+
 	sprintf(card->longname, "%s at 0x%lx irq %i",
 		c->name, chip->port, chip->irq);
 
@@ -1539,7 +1561,7 @@ static int __devinit snd_ca0106_probe(struct pci_dev *pci,
 	if (card == NULL)
 		return -ENOMEM;
 
-	if ((err = snd_ca0106_create(card, pci, &chip)) < 0) {
+	if ((err = snd_ca0106_create(dev, card, pci, &chip)) < 0) {
 		snd_card_free(card);
 		return err;
 	}