diff --git a/src/mainboard/apple/macbook21/devicetree.cb b/src/mainboard/apple/macbook21/devicetree.cb
index 258a329c8c..a3dfe3a547 100644
--- a/src/mainboard/apple/macbook21/devicetree.cb
+++ b/src/mainboard/apple/macbook21/devicetree.cb
@@ -71,7 +71,7 @@ chip northbridge/intel/i945
 
 			register "c4onc3_enable" = "1"
 			device pci 1b.0 on # Audio Controller
-				subsystemid 0x17aa 0x2010
+				subsystemid 0x8384 0x7680
 			end
 			device pci 1c.0 on end # Ethernet
 			device pci 1c.1 on end # Atheros WLAN
diff --git a/src/mainboard/apple/macbook21/hda_verb.h b/src/mainboard/apple/macbook21/hda_verb.h
new file mode 100644
index 0000000000..4e1687d3d1
--- /dev/null
+++ b/src/mainboard/apple/macbook21/hda_verb.h
@@ -0,0 +1,93 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Vladimir Serbinenko.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the License,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+static const u32 mainboard_cim_verb_data[] = {
+	/* coreboot specific header */
+	0x83847680,	/* Codec Vendor / Device ID: SigmaTel STAC9221 A1 */
+	0x106b2200,	/* Subsystem ID  */
+	0x0000000B,	/* Number of 4 dword sets */
+
+	/* NID 0x01: Subsystem ID.  */
+	0x00172000,
+	0x00172122,
+	0x0017226B,
+	0x00172310,
+
+	/* NID 0x0A.  */
+	0x00A71C1F,
+	0x00A71DE2,
+	0x00A71E21,
+	0x00A71F03,
+
+	/* NID 0x0B.  */
+	0x00B71C2E,
+	0x00B71DE0,
+	0x00B71EA1,
+	0x00B71F03,
+
+	/* NID 0x0C.  */
+	0x00C71C10,
+	0x00C71DE1,
+	0x00C71E17,
+	0x00C71F90,
+
+	/* NID 0x0D.  */
+	0x00D71C1F,
+	0x00D71DE1,
+	0x00D71E17,
+	0x00D71F90,
+
+	/* NID 0x0E.  */
+	0x00E71CFE,
+	0x00E71D00,
+	0x00E71E00,
+	0x00E71F40,
+
+	/* NID 0x0F  */
+	0x00F71C20,
+	0x00F71DE0,
+	0x00F71E81,
+	0x00F71F03,
+
+	/* NID 0x10  */
+	0x01071C30,
+	0x01071DE2,
+	0x01071E45,
+	0x01071F13,
+
+	/* NID 0x11  */
+	0x01171C40,
+	0x01171DE2,
+	0x01171EC5,
+	0x01171F13,
+
+	/* NID 0x15  */
+	0x01571CFC,
+	0x01571D00,
+	0x01571E00,
+	0x01571F40,
+
+	/* NID 0x1B.  */
+	0x01B71CFB,
+	0x01B71D00,
+	0x01B71E00,
+	0x01B71F40,
+
+};
diff --git a/src/mainboard/apple/macbook21/mainboard.c b/src/mainboard/apple/macbook21/mainboard.c
index 6bd3aec083..9a025ddf98 100644
--- a/src/mainboard/apple/macbook21/mainboard.c
+++ b/src/mainboard/apple/macbook21/mainboard.c
@@ -34,8 +34,12 @@
 #include <arch/x86/include/arch/acpigen.h>
 #include <smbios.h>
 #include <x86emu/x86emu.h>
+#include "hda_verb.h"
 #define PANEL INT15_5F35_CL_DISPLAY_DEFAULT
 
+extern const u32 *cim_verb_data;
+extern u32 cim_verb_data_size;
+
 #if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
 static int int15_handler(void)
 {
@@ -83,6 +87,8 @@ static void mainboard_init(device_t dev)
 static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
+	cim_verb_data = mainboard_cim_verb_data;
+	cim_verb_data_size = sizeof(mainboard_cim_verb_data);
 }
 
 struct chip_operations mainboard_ops = {