depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
--- /dev/null
+++ b/drivers/leds/leds-latch.c
-@@ -0,0 +1,149 @@
+@@ -0,0 +1,150 @@
+/*
+ * LEDs driver for Memory Latched Devices
+ *
+#include <linux/workqueue.h>
+#include <asm/io.h>
+#include <linux/spinlock.h>
++#include <linux/slab.h>
+
+static unsigned int mem_keep = 0xFF;
+static spinlock_t mem_lock;