linux-kernel - [PATCH 15/20] leds: mark ot200 driver with LED_BRIGHTNESS

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Message-ID: <555DF7DD.9080907@list.ru>
Date:	Thu, 21 May 2015 18:21:01 +0300
From:	Stas Sergeev <stsp@...t.ru>
To:	linux-leds@...r.kernel.org
CC:	Linux kernel <linux-kernel@...r.kernel.org>,
	Stas Sergeev <stsp@...rs.sourceforge.net>,
	Bryan Wu <cooloney@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Jacek Anaszewski <j.anaszewski@...sung.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Christian Gmeiner <christian.gmeiner@...il.com>
Subject: [PATCH 15/20] leds: mark ot200 driver with LED_BRIGHTNESS_FAST flag


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 <cooloney@...il.com>
CC: Richard Purdie <rpurdie@...ys.net>
CC: Jacek Anaszewski <j.anaszewski@...sung.com>
CC: linux-leds@...r.kernel.org
CC: linux-kernel@...r.kernel.org
CC: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC: Christian Gmeiner <christian.gmeiner@...il.com>

Signed-off-by: Stas Sergeev <stsp@...rs.sourceforge.net>
---
 drivers/leds/leds-ot200.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/leds/leds-ot200.c b/drivers/leds/leds-ot200.c
index 39870de..d357c14 100644
--- a/drivers/leds/leds-ot200.c
+++ b/drivers/leds/leds-ot200.c
@@ -123,6 +123,7 @@ static int ot200_led_probe(struct platform_device *pdev)

 		leds[i].cdev.name = leds[i].name;
 		leds[i].cdev.brightness_set = ot200_led_brightness_set;
+		leds[i].cdev.flags |= LED_BRIGHTNESS_FAST;

 		ret = led_classdev_register(&pdev->dev, &leds[i].cdev);
 		if (ret < 0)
-- 
1.7.9.5
--
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