diff --git a/src/mainboard/google/brox/Kconfig b/src/mainboard/google/brox/Kconfig
index e6d1f1e..007328f 100644
--- a/src/mainboard/google/brox/Kconfig
+++ b/src/mainboard/google/brox/Kconfig
@@ -47,6 +47,7 @@
 	select SOC_INTEL_CRASHLOG
 	select SOC_INTEL_RAPTORLAKE
 	select SOC_INTEL_ALDERLAKE_PCH_P
+	select SOC_INTEL_COMMON_BLOCK_HDA_VERB
 	select DRIVERS_INTEL_ISH
 	select SYSTEM_TYPE_LAPTOP
 	select TPM_GOOGLE_TI50
diff --git a/src/mainboard/google/brox/Makefile.mk b/src/mainboard/google/brox/Makefile.mk
index 8c7e42d..10f1230 100644
--- a/src/mainboard/google/brox/Makefile.mk
+++ b/src/mainboard/google/brox/Makefile.mk
@@ -10,6 +10,7 @@
 ramstage-$(CONFIG_CHROMEOS) += chromeos.c
 ramstage-y += mainboard.c
 ramstage-y += ec.c
+ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_HDA_VERB) += hda_verb.c
 
 BASEBOARD_DIR:=$(call strip_quotes,$(CONFIG_BASEBOARD_DIR))
 
diff --git a/src/mainboard/google/brox/hda_verb.c b/src/mainboard/google/brox/hda_verb.c
new file mode 100644
index 0000000..39d2d86
--- /dev/null
+++ b/src/mainboard/google/brox/hda_verb.c
@@ -0,0 +1,118 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+	/* coreboot specific header */
+	0x10ec0256,	// Codec Vendor / Device ID: Realtek ALC256
+	0x10ec12ac,	// Subsystem ID
+	0x0000001D,	// Number of jacks (NID entries)
+
+	AZALIA_RESET(0x1),
+	/* NID 0x01, HDA Codec Subsystem ID Verb table */
+	AZALIA_SUBVENDOR(0, 0x10ec12ac),
+
+	/* Pin Widget Verb Table */
+
+	/*
+	 * DMIC
+	 * Requirement is to use PCH DMIC. Hence,
+	 * commented out codec's Internal DMIC.
+	 * AZALIA_PIN_CFG(0, 0x12, 0x90A60130),
+	 * AZALIA_PIN_CFG(0, 0x13, 0x40000000),
+	 */
+
+	/* Pin widget 0x14 - Front (Port-D) */
+	AZALIA_PIN_CFG(0, 0x14, 0x90170110),
+	/* Pin widget 0x18 - NPC */
+	AZALIA_PIN_CFG(0, 0x18, 0x411111F0),
+	/* Pin widget 0x19 - MIC2 (Port-F) */
+	AZALIA_PIN_CFG(0, 0x19, 0x04A11040),
+	/* Pin widget 0x1A - LINE1 (Port-C) */
+	AZALIA_PIN_CFG(0, 0x1a, 0x411111F0),
+	/* Pin widget 0x1B - NPC */
+	AZALIA_PIN_CFG(0, 0x1b, 0x411111F0),
+	/* Pin widget 0x1D - BEEP-IN */
+	AZALIA_PIN_CFG(0, 0x1d, 0x40610041),
+	/* Pin widget 0x1E - NPC */
+	AZALIA_PIN_CFG(0, 0x1e, 0x411111F0),
+	/* Pin widget 0x21 - HP1-OUT (Port-I) */
+	AZALIA_PIN_CFG(0, 0x21, 0x04211020),
+	/*
+	 * Widget node 0x20 - 1
+	 * Codec hidden reset and speaker power 2W/4ohm
+	 */
+	0x0205001A,
+	0x0204C003,
+	0x02050038,
+	0x02047901,
+	/*
+	 * Widget node 0x20 - 2
+	 * Class D power on Reset
+	 */
+	0x0205003C,
+	0x02040354,
+	0x0205003C,
+	0x02040314,
+	/*
+	 * Widget node 0x20 - 3
+	 * Disable AGC and set AGC limit to -1.5dB
+	 */
+	0x02050016,
+	0x02040C50,
+	0x02050012,
+	0x0204EBC1,
+	/*
+	 * Widget node 0x20 - 4
+	 * Set AGC Post gain +1.5dB then Enable AGC
+	 */
+	0x02050013,
+	0x02044023,
+	0x02050016,
+	0x02040E50,
+	/*
+	 * Widget node 0x20 - 5
+	 * Silence detector enabling + Set EAPD to verb control
+	 */
+	0x02050037,
+	0x0204FE15,
+	0x02050010,
+	0x02040020,
+	/*
+	 * Widget node 0x20 - 6
+	 * Silence data mode Threshold (-90dB)
+	 */
+	0x02050030,
+	0x0204A000,
+	0x0205001B,
+	0x02040A4B,
+	/*
+	 * Widget node 0x20 - 7
+	 * Default setting - 1
+	 */
+	0x05750003,
+	0x05740DA3,
+	0x02050046,
+	0x02040004,
+	/*
+	 * Widget node 0x20 - 8
+	 * support 1 pin detect two port
+	 */
+	0x02050009,
+	0x0204E003,
+	0x0205000A,
+	0x02047770,
+	/*
+	 * Widget node 0x20 - 9
+	 * To set LDO1/LDO2 as default (used for headset)
+	 */
+	0x02050008,
+	0x02046A0C,
+	0x02050008,
+	0x02046A0C,
+};
+
+const u32 pc_beep_verbs[] = {
+};
+
+AZALIA_ARRAY_SIZES;
diff --git a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
index 8ea21b0..e1c8134 100644
--- a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
+++ b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
@@ -72,6 +72,9 @@
 
 	# HD Audio
 	register "pch_hda_dsp_enable" = "1"
+	register "pch_hda_sdi_enable[0]" = "1"
+	register "pch_hda_sdi_enable[1]" = "1"
+	register "pch_hda_audio_link_hda_enable" = "1"
 	register "pch_hda_idisp_link_tmode" = "HDA_TMODE_8T"
 	register "pch_hda_idisp_link_frequency" = "HDA_LINKFREQ_96MHZ"
 	register "pch_hda_idisp_codec_enable" = "1"