Re: [Linux-fbdev-devel] no backlight on radeon after recent kernel "upgrade"s
From: Joel Becker
Date: Wed Feb 21 2007 - 21:10:59 EST
On Thu, Feb 22, 2007 at 01:11:18AM +0000, James Simmons wrote:
> > *$> grep BACKLIGH /boot/config-2.6.20
> > # CONFIG_FB_BACKLIGHT is not set
> > CONFIG_BACKLIGHT_LCD_SUPPORT=y
> > CONFIG_BACKLIGHT_CLASS_DEVICE=m
> > CONFIG_BACKLIGHT_DEVICE=y
>
> You need to explictly enable the backlight for your fbdev driver. It
> doesn't do the selecting magically for you.
> Jus do a make "favorite"config and go to the fbdev menu and select the
> backlight option for your fbdev driver.
I would think that we'd always want to enable the backlight.
How are people supposed to Just Know that the kernel defaults to a black
LCD?
Joel
--
Life's Little Instruction Book #407
"Every once in a while, take the scenic route."
Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker@xxxxxxxxxx
Phone: (650) 506-8127
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/