diff --git a/src/mainboard/google/dedede/variants/boten/include/variant/ec.h b/src/mainboard/google/dedede/variants/boten/include/variant/ec.h
index 08870e0627..99ff519a84 100644
--- a/src/mainboard/google/dedede/variants/boten/include/variant/ec.h
+++ b/src/mainboard/google/dedede/variants/boten/include/variant/ec.h
@@ -5,4 +5,9 @@
 
 #include <baseboard/ec.h>
 
+/* Enable Tablet switch for Windows drivers */
+#if !CONFIG(CHROMEOS)
+#define EC_ENABLE_TBMC_DEVICE
+#endif
+
 #endif
diff --git a/src/mainboard/google/dedede/variants/bugzzy/include/variant/ec.h b/src/mainboard/google/dedede/variants/bugzzy/include/variant/ec.h
index 08870e0627..99ff519a84 100644
--- a/src/mainboard/google/dedede/variants/bugzzy/include/variant/ec.h
+++ b/src/mainboard/google/dedede/variants/bugzzy/include/variant/ec.h
@@ -5,4 +5,9 @@
 
 #include <baseboard/ec.h>
 
+/* Enable Tablet switch for Windows drivers */
+#if !CONFIG(CHROMEOS)
+#define EC_ENABLE_TBMC_DEVICE
+#endif
+
 #endif
diff --git a/src/mainboard/google/dedede/variants/drawcia/include/variant/ec.h b/src/mainboard/google/dedede/variants/drawcia/include/variant/ec.h
index 27c930d4f2..f721a22ec7 100644
--- a/src/mainboard/google/dedede/variants/drawcia/include/variant/ec.h
+++ b/src/mainboard/google/dedede/variants/drawcia/include/variant/ec.h
@@ -8,4 +8,9 @@
 /* Enable Keyboard Backlight in ACPI */
 #define EC_ENABLE_KEYBOARD_BACKLIGHT
 
+/* Enable Tablet switch for Windows drivers */
+#if !CONFIG(CHROMEOS)
+#define EC_ENABLE_TBMC_DEVICE
+#endif
+
 #endif
diff --git a/src/mainboard/google/dedede/variants/kracko/include/variant/ec.h b/src/mainboard/google/dedede/variants/kracko/include/variant/ec.h
index 08870e0627..99ff519a84 100644
--- a/src/mainboard/google/dedede/variants/kracko/include/variant/ec.h
+++ b/src/mainboard/google/dedede/variants/kracko/include/variant/ec.h
@@ -5,4 +5,9 @@
 
 #include <baseboard/ec.h>
 
+/* Enable Tablet switch for Windows drivers */
+#if !CONFIG(CHROMEOS)
+#define EC_ENABLE_TBMC_DEVICE
+#endif
+
 #endif
diff --git a/src/mainboard/google/dedede/variants/madoo/include/variant/ec.h b/src/mainboard/google/dedede/variants/madoo/include/variant/ec.h
index d6c3859c91..927b8a62d4 100644
--- a/src/mainboard/google/dedede/variants/madoo/include/variant/ec.h
+++ b/src/mainboard/google/dedede/variants/madoo/include/variant/ec.h
@@ -8,4 +8,9 @@
 /* Enable EC backed Keyboard Backlight in ACPI */
 #define EC_ENABLE_KEYBOARD_BACKLIGHT
 
+/* Enable Tablet switch for Windows drivers */
+#if !CONFIG(CHROMEOS)
+#define EC_ENABLE_TBMC_DEVICE
+#endif
+
 #endif
diff --git a/src/mainboard/google/dedede/variants/magolor/include/variant/ec.h b/src/mainboard/google/dedede/variants/magolor/include/variant/ec.h
index 27c930d4f2..f721a22ec7 100644
--- a/src/mainboard/google/dedede/variants/magolor/include/variant/ec.h
+++ b/src/mainboard/google/dedede/variants/magolor/include/variant/ec.h
@@ -8,4 +8,9 @@
 /* Enable Keyboard Backlight in ACPI */
 #define EC_ENABLE_KEYBOARD_BACKLIGHT
 
+/* Enable Tablet switch for Windows drivers */
+#if !CONFIG(CHROMEOS)
+#define EC_ENABLE_TBMC_DEVICE
+#endif
+
 #endif
diff --git a/src/mainboard/google/dedede/variants/metaknight/include/variant/ec.h b/src/mainboard/google/dedede/variants/metaknight/include/variant/ec.h
index 08870e0627..99ff519a84 100644
--- a/src/mainboard/google/dedede/variants/metaknight/include/variant/ec.h
+++ b/src/mainboard/google/dedede/variants/metaknight/include/variant/ec.h
@@ -5,4 +5,9 @@
 
 #include <baseboard/ec.h>
 
+/* Enable Tablet switch for Windows drivers */
+#if !CONFIG(CHROMEOS)
+#define EC_ENABLE_TBMC_DEVICE
+#endif
+
 #endif
diff --git a/src/mainboard/google/dedede/variants/storo/include/variant/ec.h b/src/mainboard/google/dedede/variants/storo/include/variant/ec.h
index 08870e0627..99ff519a84 100644
--- a/src/mainboard/google/dedede/variants/storo/include/variant/ec.h
+++ b/src/mainboard/google/dedede/variants/storo/include/variant/ec.h
@@ -5,4 +5,9 @@
 
 #include <baseboard/ec.h>
 
+/* Enable Tablet switch for Windows drivers */
+#if !CONFIG(CHROMEOS)
+#define EC_ENABLE_TBMC_DEVICE
+#endif
+
 #endif