diff --git a/libcutils/android_reboot.c b/libcutils/android_reboot.c
index 159a9d4..6bdcc13 100644
--- a/libcutils/android_reboot.c
+++ b/libcutils/android_reboot.c
@@ -209,6 +209,10 @@
                            LINUX_REBOOT_CMD_RESTART2, arg);
             break;
 
+        case ANDROID_RB_THERMOFF:
+            ret = reboot(RB_POWER_OFF);
+            break;
+
         default:
             ret = -1;
     }
diff --git a/libcutils/include/cutils/android_reboot.h b/libcutils/include/cutils/android_reboot.h
index a3861a0..549f258 100644
--- a/libcutils/include/cutils/android_reboot.h
+++ b/libcutils/include/cutils/android_reboot.h
@@ -25,6 +25,7 @@
 #define ANDROID_RB_RESTART  0xDEAD0001
 #define ANDROID_RB_POWEROFF 0xDEAD0002
 #define ANDROID_RB_RESTART2 0xDEAD0003
+#define ANDROID_RB_THERMOFF 0xDEAD0004
 
 /* Properties */
 #define ANDROID_RB_PROPERTY "sys.powerctl"