leds: Document the context brightness_set needs

Make sure there is no confusion about the contexts brightness_set can be called under by documenting it. Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
git-mirror · Apr 24, 2008 · 2e214e0 · 2e214e0
1 parent 3b2e46f
commit 2e214e0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/include/linux/leds.h b/include/linux/leds.h
@@ -35,6 +35,7 @@ struct led_classdev {
 #define LED_SUSPENDED		(1 << 0)
 
 	/* Set LED brightness level */
+	/* Must not sleep, use a workqueue if needed */
 	void		(*brightness_set)(struct led_classdev *led_cdev,
 					  enum led_brightness brightness);
 	/* Get LED brightness level */