linux-kernel - Re: no backlight on radeon after recent kernel "upgrade"s

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Message-ID: <Pine.LNX.4.64.0702220112440.17121@pentafluge.infradead.org>
Date:	Thu, 22 Feb 2007 01:13:15 +0000 (GMT)
From:	James Simmons <jsimmons@...radead.org>
To:	Alex Romosan <romosan@...orax.lbl.gov>
cc:	Richard Purdie <rpurdie@...ys.net>,
	Yaroslav Halchenko <kernel@...russian.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	linux-fbdev-devel@...ts.sourceforge.net
Subject: Re: no backlight on radeon after recent kernel "upgrade"s


> Richard Purdie <rpurdie@...ys.net> writes:
> 
> > If FB_RADEON_BACKLIGHT wasn't set for 2.6.20, can you try 2.6.21-rc1
> > with that option disabled?
> 
> i don't have my laptop with me but i am pretty sure
> FB_RADEON_BACKLIGHT wasn't set for 2.6.20 (i think it showed up as a
> new option when i did make oldconfig). i'll post the difference when i
> get home tonight and also try disabling it.

Correct. You need to enable the backlight for the radeon card.
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