From 2b959f4560fd821965ca797d1a77d79aee04a4a4 Mon Sep 17 00:00:00 2001
From: Matt DeVillier <matt.devillier@gmail.com>
Date: Mon, 1 Dec 2025 20:10:21 -0600
Subject: [PATCH] mb/google/puff: Add CFR option for automatic fan control

Allow users to enable/disable automatic fan control via CFR options
menu.

TEST=build/boot puff (wyvern) w/edk2 payload, verify automatic fan
control toggle functional.

Change-Id: I188e4393776b986809cbb1e51accaa88864b667f
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90311
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
---
 src/mainboard/google/puff/cfr.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/mainboard/google/puff/cfr.c b/src/mainboard/google/puff/cfr.c
index 8a60ed7d53..e50af539c8 100644
--- a/src/mainboard/google/puff/cfr.c
+++ b/src/mainboard/google/puff/cfr.c
@@ -3,6 +3,7 @@
 
 #include <boot/coreboot_tables.h>
 #include <drivers/option/cfr_frontend.h>
+#include <ec/google/chromeec/cfr.h>
 #include <intelblocks/cfr.h>
 #include <soc/cfr.h>
 
@@ -25,6 +26,14 @@ static struct sm_obj_form system = {
 	},
 };
 
+static struct sm_obj_form ec = {
+	.ui_name = "ChromeEC Embedded Controller",
+	.obj_list = (const struct sm_object *[]) {
+		&auto_fan_control,
+		NULL
+	},
+};
+
 static struct sm_obj_form power = {
 	.ui_name = "Power",
 	.obj_list = (const struct sm_object *[]) {
@@ -35,6 +44,7 @@ static struct sm_obj_form power = {
 
 static struct sm_obj_form *sm_root[] = {
 	&system,
+	&ec,
 	&power,
 	NULL
 };