linux-kernel - [PATCH 19/20] leds: mark versatile driver with LED_BRIGHTNESS

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Message-ID: <555CAA16.70606@list.ru>
Date:	Wed, 20 May 2015 18:36:54 +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>
Subject: [PATCH 19/20] leds: mark versatile 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

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

diff --git a/drivers/leds/leds-versatile.c b/drivers/leds/leds-versatile.c
index 8055302..4061257 100644
--- a/drivers/leds/leds-versatile.c
+++ b/drivers/leds/leds-versatile.c
@@ -84,6 +84,7 @@ static int versatile_leds_probe(struct platform_device *dev)
 		led->cdev.name = versatile_leds[i].name;
 		led->cdev.brightness_set = versatile_led_set;
 		led->cdev.brightness_get = versatile_led_get;
+		led->cdev.flags |= LED_BRIGHTNESS_FAST;
 		led->cdev.default_trigger = versatile_leds[i].trigger;
 		led->mask = BIT(i);

-- 
1.7.9.5
--
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