linux-kernel - Re: [PATCH 1/1] pwm_bl: Add support for backlight enable GPIO

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Message-ID: <51357F20.8080008@nvidia.com>
Date:	Tue, 5 Mar 2013 14:14:08 +0900
From:	Alex Courbot <acourbot@...dia.com>
To:	Andrew Chew <AChew@...dia.com>
CC:	Thierry Reding <thierry.reding@...onic-design.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] pwm_bl: Add support for backlight enable GPIO

On 03/05/2013 01:59 PM, Alex Courbot wrote:
> Btw, you also want to check if the enable-gpio property exists first
> because otherwise probe() will fails if no GPIO is specified).

That's actually not true - I overlooked the fact that probe() checks for 
the GPIO validity before requesting it. My bad.

Alex.


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