diff --git a/src/include/boot/coreboot_tables.h b/src/include/boot/coreboot_tables.h
index 496c93c055..c8010ba2a6 100644
--- a/src/include/boot/coreboot_tables.h
+++ b/src/include/boot/coreboot_tables.h
@@ -197,6 +197,10 @@ struct lb_framebuffer {
 
 #define LB_TAG_GPIO	0x0013
 
+/* Values for the polarity field below. */
+#define ACTIVE_LOW     0
+#define ACTIVE_HIGH    1
+
 struct lb_gpio {
 	uint32_t port;
 	uint32_t polarity;
diff --git a/src/mainboard/gizmosphere/gizmo/chromeos.c b/src/mainboard/gizmosphere/gizmo/chromeos.c
index 202e148b53..5a4c21790d 100644
--- a/src/mainboard/gizmosphere/gizmo/chromeos.c
+++ b/src/mainboard/gizmosphere/gizmo/chromeos.c
@@ -82,8 +82,6 @@ static u8 gpio_read(int gpiox)
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
diff --git a/src/mainboard/google/beltino/chromeos.c b/src/mainboard/google/beltino/chromeos.c
index 074f648a68..61f8408da5 100644
--- a/src/mainboard/google/beltino/chromeos.c
+++ b/src/mainboard/google/beltino/chromeos.c
@@ -35,8 +35,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static void fill_lb_gpio(struct lb_gpio *gpio, int num,
 			 int polarity, const char *name, int force)
diff --git a/src/mainboard/google/bolt/chromeos.c b/src/mainboard/google/bolt/chromeos.c
index 76f2c313c8..7bc0ce1a03 100644
--- a/src/mainboard/google/bolt/chromeos.c
+++ b/src/mainboard/google/bolt/chromeos.c
@@ -36,8 +36,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static int get_lid_switch(void)
 {
diff --git a/src/mainboard/google/butterfly/chromeos.c b/src/mainboard/google/butterfly/chromeos.c
index b5a645fb24..ffa2454991 100644
--- a/src/mainboard/google/butterfly/chromeos.c
+++ b/src/mainboard/google/butterfly/chromeos.c
@@ -28,8 +28,6 @@
 #include <ec/quanta/ene_kb3940q/ec.h>
 #include "ec.h"
 
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 #define WP_GPIO		6
 #define DEVMODE_GPIO	54
 #define FORCE_RECOVERY_MODE	0
diff --git a/src/mainboard/google/daisy/chromeos.c b/src/mainboard/google/daisy/chromeos.c
index 524aaf9ce2..2c1b8a2284 100644
--- a/src/mainboard/google/daisy/chromeos.c
+++ b/src/mainboard/google/daisy/chromeos.c
@@ -26,11 +26,6 @@
 #include <soc/samsung/exynos5250/cpu.h>
 #include <soc/samsung/exynos5250/gpio.h>
 
-enum {
-	ACTIVE_LOW = 0,
-	ACTIVE_HIGH = 1
-};
-
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	int count = 0;
diff --git a/src/mainboard/google/falco/chromeos.c b/src/mainboard/google/falco/chromeos.c
index 51d625b82c..913b6f33fc 100644
--- a/src/mainboard/google/falco/chromeos.c
+++ b/src/mainboard/google/falco/chromeos.c
@@ -33,8 +33,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static int get_lid_switch(void)
 {
diff --git a/src/mainboard/google/link/chromeos.c b/src/mainboard/google/link/chromeos.c
index dd1606f1cc..47db2ffb6e 100644
--- a/src/mainboard/google/link/chromeos.c
+++ b/src/mainboard/google/link/chromeos.c
@@ -30,8 +30,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static int get_lid_switch(void)
 {
diff --git a/src/mainboard/google/nyan/chromeos.c b/src/mainboard/google/nyan/chromeos.c
index 1fc19f235f..12c478134e 100644
--- a/src/mainboard/google/nyan/chromeos.c
+++ b/src/mainboard/google/nyan/chromeos.c
@@ -25,11 +25,6 @@
 #include <vendorcode/google/chromeos/chromeos.h>
 #include <soc/nvidia/tegra124/gpio.h>
 
-enum {
-	ACTIVE_LOW = 0,
-	ACTIVE_HIGH = 1
-};
-
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	int count = 0;
diff --git a/src/mainboard/google/nyan_big/chromeos.c b/src/mainboard/google/nyan_big/chromeos.c
index f2fca59a37..d348bd449d 100644
--- a/src/mainboard/google/nyan_big/chromeos.c
+++ b/src/mainboard/google/nyan_big/chromeos.c
@@ -25,11 +25,6 @@
 #include <vendorcode/google/chromeos/chromeos.h>
 #include <soc/nvidia/tegra124/gpio.h>
 
-enum {
-	ACTIVE_LOW = 0,
-	ACTIVE_HIGH = 1
-};
-
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	int count = 0;
diff --git a/src/mainboard/google/nyan_blaze/chromeos.c b/src/mainboard/google/nyan_blaze/chromeos.c
index f2fca59a37..d348bd449d 100644
--- a/src/mainboard/google/nyan_blaze/chromeos.c
+++ b/src/mainboard/google/nyan_blaze/chromeos.c
@@ -25,11 +25,6 @@
 #include <vendorcode/google/chromeos/chromeos.h>
 #include <soc/nvidia/tegra124/gpio.h>
 
-enum {
-	ACTIVE_LOW = 0,
-	ACTIVE_HIGH = 1
-};
-
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	int count = 0;
diff --git a/src/mainboard/google/panther/chromeos.c b/src/mainboard/google/panther/chromeos.c
index 074f648a68..61f8408da5 100644
--- a/src/mainboard/google/panther/chromeos.c
+++ b/src/mainboard/google/panther/chromeos.c
@@ -35,8 +35,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static void fill_lb_gpio(struct lb_gpio *gpio, int num,
 			 int polarity, const char *name, int force)
diff --git a/src/mainboard/google/parrot/chromeos.c b/src/mainboard/google/parrot/chromeos.c
index 8a647dcfb5..54458692e4 100644
--- a/src/mainboard/google/parrot/chromeos.c
+++ b/src/mainboard/google/parrot/chromeos.c
@@ -28,8 +28,6 @@
 #include <ec/compal/ene932/ec.h>
 #include "ec.h"
 
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 #ifndef __PRE_RAM__
 #include <boot/coreboot_tables.h>
diff --git a/src/mainboard/google/peach_pit/chromeos.c b/src/mainboard/google/peach_pit/chromeos.c
index 658746d9af..f7eb0cdabf 100644
--- a/src/mainboard/google/peach_pit/chromeos.c
+++ b/src/mainboard/google/peach_pit/chromeos.c
@@ -26,11 +26,6 @@
 #include <soc/samsung/exynos5420/cpu.h>
 #include <soc/samsung/exynos5420/gpio.h>
 
-enum {
-	ACTIVE_LOW = 0,
-	ACTIVE_HIGH = 1
-};
-
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	int count = 0;
diff --git a/src/mainboard/google/peppy/chromeos.c b/src/mainboard/google/peppy/chromeos.c
index 51d625b82c..913b6f33fc 100644
--- a/src/mainboard/google/peppy/chromeos.c
+++ b/src/mainboard/google/peppy/chromeos.c
@@ -33,8 +33,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static int get_lid_switch(void)
 {
diff --git a/src/mainboard/google/rambi/chromeos.c b/src/mainboard/google/rambi/chromeos.c
index 8ca3c18f0e..0a12af4c60 100644
--- a/src/mainboard/google/rambi/chromeos.c
+++ b/src/mainboard/google/rambi/chromeos.c
@@ -36,8 +36,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static int get_lid_switch(void)
 {
diff --git a/src/mainboard/google/rush/chromeos.c b/src/mainboard/google/rush/chromeos.c
index 1c63beb1b5..03908c0434 100644
--- a/src/mainboard/google/rush/chromeos.c
+++ b/src/mainboard/google/rush/chromeos.c
@@ -25,11 +25,6 @@
 #include <vendorcode/google/chromeos/chromeos.h>
 #include <soc/nvidia/tegra132/gpio.h>
 
-enum {
-	ACTIVE_LOW = 0,
-	ACTIVE_HIGH = 1
-};
-
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
 	int count = 0;
diff --git a/src/mainboard/google/samus/chromeos.c b/src/mainboard/google/samus/chromeos.c
index 2c27b9eaad..44512a28e6 100644
--- a/src/mainboard/google/samus/chromeos.c
+++ b/src/mainboard/google/samus/chromeos.c
@@ -34,8 +34,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static int get_lid_switch(void)
 {
diff --git a/src/mainboard/google/slippy/chromeos.c b/src/mainboard/google/slippy/chromeos.c
index 51d625b82c..913b6f33fc 100644
--- a/src/mainboard/google/slippy/chromeos.c
+++ b/src/mainboard/google/slippy/chromeos.c
@@ -33,8 +33,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static int get_lid_switch(void)
 {
diff --git a/src/mainboard/google/stout/chromeos.c b/src/mainboard/google/stout/chromeos.c
index 7a861ec191..4442d43a04 100644
--- a/src/mainboard/google/stout/chromeos.c
+++ b/src/mainboard/google/stout/chromeos.c
@@ -32,8 +32,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	7
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static int ec_in_rec_mode;
 static int ec_rec_flag_good;
diff --git a/src/mainboard/intel/baskingridge/chromeos.c b/src/mainboard/intel/baskingridge/chromeos.c
index 6bf5116c64..8f0e92d1e9 100644
--- a/src/mainboard/intel/baskingridge/chromeos.c
+++ b/src/mainboard/intel/baskingridge/chromeos.c
@@ -29,8 +29,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
diff --git a/src/mainboard/intel/bayleybay/chromeos.c b/src/mainboard/intel/bayleybay/chromeos.c
index 2681b3a495..082f9efa4c 100644
--- a/src/mainboard/intel/bayleybay/chromeos.c
+++ b/src/mainboard/intel/bayleybay/chromeos.c
@@ -31,8 +31,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static void fill_lb_gpio(struct lb_gpio *gpio, int polarity,
 			 const char *name, int force)
diff --git a/src/mainboard/intel/emeraldlake2/chromeos.c b/src/mainboard/intel/emeraldlake2/chromeos.c
index 4d998ec4e8..4938ff6fec 100644
--- a/src/mainboard/intel/emeraldlake2/chromeos.c
+++ b/src/mainboard/intel/emeraldlake2/chromeos.c
@@ -28,8 +28,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
diff --git a/src/mainboard/intel/pearlvalley/chromeos.c b/src/mainboard/intel/pearlvalley/chromeos.c
index 7b8e89a39d..5d39932cce 100644
--- a/src/mainboard/intel/pearlvalley/chromeos.c
+++ b/src/mainboard/intel/pearlvalley/chromeos.c
@@ -32,8 +32,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static void fill_lb_gpio(struct lb_gpio *gpio, int num,
 			 int polarity, const char *name, int force)
diff --git a/src/mainboard/intel/wtm2/chromeos.c b/src/mainboard/intel/wtm2/chromeos.c
index 0363dcdbe0..995b13f280 100644
--- a/src/mainboard/intel/wtm2/chromeos.c
+++ b/src/mainboard/intel/wtm2/chromeos.c
@@ -32,8 +32,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 static void fill_lb_gpio(struct lb_gpio *gpio, int num,
 			 int polarity, const char *name, int force)
diff --git a/src/mainboard/samsung/lumpy/chromeos.c b/src/mainboard/samsung/lumpy/chromeos.c
index afbdeeb9d0..b708fa3582 100644
--- a/src/mainboard/samsung/lumpy/chromeos.c
+++ b/src/mainboard/samsung/lumpy/chromeos.c
@@ -39,8 +39,6 @@
 #include <ec/smsc/mec1308/ec.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 void fill_lb_gpios(struct lb_gpios *gpios)
 {
diff --git a/src/mainboard/samsung/stumpy/chromeos.c b/src/mainboard/samsung/stumpy/chromeos.c
index e639fd3cbd..c141083ed4 100644
--- a/src/mainboard/samsung/stumpy/chromeos.c
+++ b/src/mainboard/samsung/stumpy/chromeos.c
@@ -36,8 +36,6 @@
 #include <boot/coreboot_tables.h>
 
 #define GPIO_COUNT	6
-#define ACTIVE_LOW	0
-#define ACTIVE_HIGH	1
 
 void fill_lb_gpios(struct lb_gpios *gpios)
 {