From: Richard Purdie <rpurdie@rpsys.net>
Date: Thu, 24 Apr 2008 22:49:30 +0000 (+0100)
Subject: leds: Document the context brightness_set needs
X-Git-Tag: firefly_0821_release~21534^2~1
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=2e214e0fa21465cf2749ca7d5a072cf8591f3213;p=firefly-linux-kernel-4.4.55.git

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>
---

diff --git a/include/linux/leds.h b/include/linux/leds.h
index ff1570f97045..519df72e939d 100644
--- 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 */