[XS] Change in coreboot[main]: mb/google/brox: Update verb table to refine speaker amp DC offset

[Terry Cheong (Code Review)]

Terry Cheong has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/82794?usp=email )

Change subject: mb/google/brox: Update verb table to refine speaker amp DC offset
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mb/google/brox: Update verb table to refine speaker amp DC offset

DC offset of class-D amplifier is larger than expectation in Brox.
Add a section in the verb table to enable class-D calibration based
on the updated verb table provided by Realtek.

BUG=b:342506575
BRANCH=main
TEST=Verify DC offset of speaker amplier is less than 3mV

Change-Id: I776f5c24ce3c829cbd64840957c1431608cf2b85
---
M src/mainboard/google/brox/variants/brox/include/variant/hda_verb.h
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/94/82794/1

diff --git a/src/mainboard/google/brox/variants/brox/include/variant/hda_verb.h b/src/mainboard/google/brox/variants/brox/include/variant/hda_verb.h
index c0b0eb0..f47bdfe 100644
--- a/src/mainboard/google/brox/variants/brox/include/variant/hda_verb.h
+++ b/src/mainboard/google/brox/variants/brox/include/variant/hda_verb.h
@@ -113,6 +113,11 @@
    0x02046A0C,
    0x02050008,
    0x02046A0C,
+	/* Class D calibration */
+	0x05850000,
+	0x0584F880,
+	0x05850000,
+	0x0584F880,
 };

const u32 pc_beep_verbs[] = {