diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 29f9928..70ef5d9 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -275,3 +275,6 @@
 
 # Variables for hwcomposer.$(TARGET_BOARD_PLATFORM)
 $(call soong_config_set_bool,google_graphics,board_uses_hwc_services,$(if $(filter true,$(BOARD_USES_HWC_SERVICES)),true,false))
+
+# Variables for controlling android.hardware.composer.hwc3-service.pixel
+$(call soong_config_set,google_graphics,board_hwc_version,$(BOARD_HWC_VERSION))