1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/leds.h b/include/linux/leds.h
index 3aade1d8f410..c6f8dad2ceb0 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -237,4 +237,20 @@ struct gpio_led_platform_data {
 struct platform_device *gpio_led_register_device(
                 int id, const struct gpio_led_platform_data *pdata);
 
+enum cpu_led_event {
+        CPU_LED_IDLE_START,     /* CPU enters idle */
+        CPU_LED_IDLE_END,       /* CPU idle ends */
+        CPU_LED_START,          /* Machine starts, especially resume */
+        CPU_LED_STOP,           /* Machine stops, especially suspend */
+        CPU_LED_HALTED,         /* Machine shutdown */
+};
+#ifdef CONFIG_LEDS_TRIGGER_CPU
+extern void ledtrig_cpu(enum cpu_led_event evt);
+#else
+static inline void ledtrig_cpu(enum cpu_led_event evt)
+{
+        return;
+}
+#endif
+
 #endif          /* __LINUX_LEDS_H_INCLUDED */