This patch adds a new brightness_set_nonblocking op to the LED subsystem.
The op is intended for drivers that set brightness in a non-blocking way,
i.e. they neither sleep nor use delays while setting brightness.
Signed-off-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
Cc: Bryan Wu <cooloney@xxxxxxxxx>
Cc: Andrew Lunn <andrew@xxxxxxx>
Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
Cc: Stas Sergeev <stsp@xxxxxxxxxxxxxxxxxxxxx>
---
include/linux/leds.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/leds.h b/include/linux/leds.h
index b122eea..c32f1b8 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -53,6 +53,9 @@ struct led_classdev {
/* Must not sleep, use a workqueue if needed */
void (*brightness_set)(struct led_classdev *led_cdev,
enum led_brightness brightness);
+ /* Intended for drivers that set brightness in a non-blocking way */
+ void (*brightness_set_nonblocking)(struct led_classdev *led_cdev,
+ enum led_brightness brightness);
/*
* Set LED brightness level immediately - it can block the caller for
* the time required for accessing a LED device register.
--
1.7.9.5
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