[ALSA] hda-codec - Add method for configuring Mac Pro without PCI SSID

This patch adds a switch to configure systems that do not provide
PCI SSID's for HD Audio like Mac Pro with ALC885.
Signed-off-by: Tobin Davis <tdavis@dsl-only.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/pci/hda/patch_realtek.c

@@ -4942,10 +4942,17 @@ static int patch_alc882(struct hda_codec *codec)
 						  alc882_cfg_tbl);
 
 	if (board_config < 0 || board_config >= ALC882_MODEL_LAST) {
+		/* Pick up systems that don't supply PCI SSID */
+		switch (codec->subsystem_id) {
+		case 0x106b0c00: /* Mac Pro */
+			board_config = ALC885_MACPRO;
+			break;
+		default:
 			printk(KERN_INFO "hda_codec: Unknown model for ALC882, "
 		       			 "trying auto-probe from BIOS...\n");
 			board_config = ALC882_AUTO;
 		}
+	}
 
 	if (board_config == ALC882_AUTO) {
 		/* automatic parse from the BIOS config */