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-rw-r--r--include/linux/leds.h16
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 */