leds: Further document parameters for blink_set()

The documentation for the parameters of blink_set() was a bit hard
to find so put some where I'd expected to find it.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

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);