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-rw-r--r--include/linux/leds.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h
index 376fe07732ea..c7f0b148df06 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -45,7 +45,9 @@ struct led_classdev {
/* Get LED brightness level */
enum led_brightness (*brightness_get)(struct led_classdev *led_cdev);
- /* Activate hardware accelerated blink */
+ /* Activate hardware accelerated blink, delays are in
+ * miliseconds and if none is provided then a sensible default
+ * should be chosen. */
int (*blink_set)(struct led_classdev *led_cdev,
unsigned long *delay_on,
unsigned long *delay_off);