[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>

1 files changed, 10 insertions, 3 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 145682b78071..7a4b5d36f245 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4942,9 +4942,16 @@ static int patch_alc882(struct hda_codec *codec)
                                                   alc882_cfg_tbl);
 
         if (board_config < 0 || board_config >= ALC882_MODEL_LAST) {
-                printk(KERN_INFO "hda_codec: Unknown model for ALC882, "
-                       "trying auto-probe from BIOS...\n");
-                board_config = ALC882_AUTO;
+                /* 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) {