ALSA: VIA HDA: Modify mute_aa_path() function

From: Lydia Wang <[email protected]>
Subject: ALSA: VIA HDA: Modify mute_aa_path() function.

Modify mute_aa_path() function to support VT1718S codec.

---
 sound/pci/hda/patch_via.c |    5 +++++
 1 file changed, 5 insertions(+)

@@ -1323,6 +1323,11 @@
 		start_idx = 2;
 		end_idx = 4;
 		break;
+	case VT1718S:
+		nid_mixer = 0x21;
+		start_idx = 1;
+		end_idx = 3;
+		break;
 	default:
 		return;
 	}