linux-kernel - Re: [PATCH v3 resend2] s3c/s3c24xx: arm: leds: Make s3c24xx LEDS driver use gpiolib

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Message-ID: <1323812431.3837.31.camel@joe2Laptop>
Date:	Tue, 13 Dec 2011 13:40:31 -0800
From:	Joe Perches <joe@...ches.com>
To:	Denis Kuzmenko <linux@...onet.org.ua>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...aro.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Richard Purdie <rpurdie@...ys.net>
Subject: Re: [PATCH v3 resend2] s3c/s3c24xx: arm: leds: Make s3c24xx LEDS
 driver use gpiolib

On Tue, 2011-12-13 at 23:33 +0200, Denis Kuzmenko wrote:
> On 12/13/2011 11:28 PM, Joe Perches wrote:
> > The LEDF_ACTLOW use is dependent on it being #defined
> > to 1 when using ^.  I think that's unintelligible.
> Sorry, can't understand. Can you please clarify last two sentences?

	s3c2410_gpio_setpin(pd->gpio, (value ? 1 : 0) ^
			    (pd->flags & S3C24XX_LEDF_ACTLOW));

I think this should be:
	s3c2410_gpio_setpin(pd->gpio,
			    !!value ^ !!(pd->flags & S3C24XX_LEDF_ACTLOW));

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