Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney...

[cascardo/linux.git] / include / linux / leds.h

diff --git a/include/linux/leds.h b/include/linux/leds.h
index 0d9b5ee..0287ab2 100644 (file)
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -142,6 +142,10 @@ extern void led_set_brightness(struct led_classdev *led_cdev,
 /*
  * LED Triggers
  */
+/* Registration functions for simple triggers */
+#define DEFINE_LED_TRIGGER(x)          static struct led_trigger *x;
+#define DEFINE_LED_TRIGGER_GLOBAL(x)   struct led_trigger *x;
+
 #ifdef CONFIG_LEDS_TRIGGERS
 
 #define TRIG_NAME_MAX 50
@@ -164,9 +168,6 @@ struct led_trigger {
 extern int led_trigger_register(struct led_trigger *trigger);
 extern void led_trigger_unregister(struct led_trigger *trigger);
 
-/* Registration functions for simple triggers */
-#define DEFINE_LED_TRIGGER(x)          static struct led_trigger *x;
-#define DEFINE_LED_TRIGGER_GLOBAL(x)   struct led_trigger *x;
 extern void led_trigger_register_simple(const char *name,
                                struct led_trigger **trigger);
 extern void led_trigger_unregister_simple(struct led_trigger *trigger);
@@ -199,20 +200,30 @@ extern void led_trigger_rename_static(const char *name,
 
 #else
 
-/* Triggers aren't active - null macros */
-#define DEFINE_LED_TRIGGER(x)
-#define DEFINE_LED_TRIGGER_GLOBAL(x)
-#define led_trigger_register_simple(x, y) do {} while(0)
-#define led_trigger_unregister_simple(x) do {} while(0)
-#define led_trigger_event(x, y) do {} while(0)
+/* Trigger has no members */
+struct led_trigger {};
 
-#endif
+/* Trigger inline empty functions */
+static inline void led_trigger_register_simple(const char *name,
+                                       struct led_trigger **trigger) {}
+static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
+static inline void led_trigger_event(struct led_trigger *trigger,
+                               enum led_brightness event) {}
+#endif /* CONFIG_LEDS_TRIGGERS */
 
 /* Trigger specific functions */
 #ifdef CONFIG_LEDS_TRIGGER_IDE_DISK
 extern void ledtrig_ide_activity(void);
 #else
-#define ledtrig_ide_activity() do {} while(0)
+static inline void ledtrig_ide_activity(void) {}
+#endif
+
+#if defined(CONFIG_LEDS_TRIGGER_CAMERA) || defined(CONFIG_LEDS_TRIGGER_CAMERA_MODULE)
+extern void ledtrig_flash_ctrl(bool on);
+extern void ledtrig_torch_ctrl(bool on);
+#else
+static inline void ledtrig_flash_ctrl(bool on) {}
+static inline void ledtrig_torch_ctrl(bool on) {}
 #endif
 
 /*