This driver doesn't use sleeping operations in .brightness_set
method, and can be marked with LED_BRIGHTNESS_FAST flag.
That flag allows changing brightness at high rates (over 100Hz).

CC: Bryan Wu <coolo...@gmail.com>
CC: Richard Purdie <rpur...@rpsys.net>
CC: Jacek Anaszewski <j.anaszew...@samsung.com>
CC: linux-l...@vger.kernel.org
CC: linux-kernel@vger.kernel.org

Signed-off-by: Stas Sergeev <s...@users.sourceforge.net>
---
 drivers/leds/leds-cobalt-qube.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/leds/leds-cobalt-qube.c b/drivers/leds/leds-cobalt-qube.c
index d975220..f16da2a 100644
--- a/drivers/leds/leds-cobalt-qube.c
+++ b/drivers/leds/leds-cobalt-qube.c
@@ -31,6 +31,7 @@ static struct led_classdev qube_front_led = {
        .brightness             = LED_FULL,
        .brightness_set         = qube_front_led_set,
        .default_trigger        = "default-on",
+       .flags                  = LED_BRIGHTNESS_FAST,
 };

 static int cobalt_qube_led_probe(struct platform_device *pdev)
-- 
1.7.9.5
--
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