linux-kernel - Re: [PATCH 3/5] gma500: backlight warning

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Message-ID: <20110413142022.56ebe93f@lxorguk.ukuu.org.uk>
Date:	Wed, 13 Apr 2011 14:20:22 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Alan Cox <alan@...ux.jf.intel.com>, greg@...ah.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] gma500: backlight warning

On Wed, 13 Apr 2011 14:17:14 +0100
Matthew Garrett <mjg59@...f.ucam.org> wrote:

> On Wed, Apr 13, 2011 at 10:36:19AM +0100, Alan Cox wrote:
> >  	props.max_brightness = 100;
> > +	props.type = BACKLIGHT_PLATFORM;
> 
> No, this should be BACKLIGHT_RAW - it's hitting the control registers 
> directly rather than going via a platform interface.

Ah ok - I figured it *was* the platform backlight. I'll send Greg a new
version of that changeset.

Alan
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