linux-kernel - [PATCH 18/20] leds: mark ss4200 driver with LED_BRIGHTNESS

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Message-ID: <555DF857.6000900@list.ru>
Date:	Thu, 21 May 2015 18:23:03 +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>,
	Dave Hansen <dave@...1.net>
Subject: [PATCH 18/20] leds: mark ss4200 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: Dave Hansen <dave@...1.net>

Signed-off-by: Stas Sergeev <stsp@...rs.sourceforge.net>
---
 drivers/leds/leds-ss4200.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c
index 046cb70..99e8348 100644
--- a/drivers/leds/leds-ss4200.c
+++ b/drivers/leds/leds-ss4200.c
@@ -487,6 +487,7 @@ static int register_nasgpio_led(int led_nr)
 		led->brightness = LED_FULL;
 	led->brightness_set = nasgpio_led_set_brightness;
 	led->blink_set = nasgpio_led_set_blink;
+	led->flags |= LED_BRIGHTNESS_FAST;
 	led->groups = nasgpio_led_groups;
 	ret = led_classdev_register(&nas_gpio_pci_dev->dev, led);
 	if (ret)
-- 
1.7.9.5
--
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