From: Joel Becker <Joel.Becker@oracle.com>
To: James Simmons <jsimmons@infradead.org>
Cc: Yaroslav Halchenko <lists@onerussian.com>,
Richard Purdie <rpurdie@rpsys.net>,
Andrew Morton <akpm@linux-foundation.org>,
linux-fbdev-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org
Subject: Re: [Linux-fbdev-devel] no backlight on radeon after recent kernel "upgrade"s
Date: Wed, 21 Feb 2007 18:09:51 -0800 [thread overview]
Message-ID: <20070222020951.GR7920@ca-server1.us.oracle.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0702220109450.17121@pentafluge.infradead.org>
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@oracle.com
Phone: (650) 506-8127
next prev parent reply other threads:[~2007-02-22 2:09 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-19 4:46 no backlight on radeon after recent kernel "upgrade"s Yaroslav Halchenko
2007-02-19 8:04 ` Andrew Morton
2007-02-19 8:04 ` Andrew Morton
2007-02-19 9:19 ` Richard Purdie
2007-02-19 9:19 ` Richard Purdie
2007-02-21 5:56 ` Yaroslav Halchenko
2007-02-22 0:34 ` Richard Purdie
2007-02-22 0:34 ` Richard Purdie
2007-02-22 1:07 ` James Simmons
2007-02-22 1:07 ` James Simmons
2007-02-22 9:46 ` Richard Purdie
2007-02-22 9:46 ` Richard Purdie
2007-02-22 15:18 ` James Simmons
2007-02-22 1:11 ` [Linux-fbdev-devel] " James Simmons
2007-02-22 2:09 ` Joel Becker [this message]
2007-02-22 15:55 ` James Simmons
2007-02-22 15:55 ` [Linux-fbdev-devel] " James Simmons
2007-02-22 17:28 ` David Miller
2007-02-22 17:28 ` [Linux-fbdev-devel] " David Miller
2007-02-28 16:55 ` James Simmons
2007-03-01 10:57 ` Richard Purdie
2007-03-01 10:57 ` [Linux-fbdev-devel] " Richard Purdie
2007-03-01 21:08 ` James Simmons
2007-03-01 21:08 ` [Linux-fbdev-devel] " James Simmons
2007-02-21 22:18 ` Alex Romosan
2007-02-21 22:41 ` Richard Purdie
2007-02-21 22:41 ` Richard Purdie
2007-02-21 23:17 ` Henrique de Moraes Holschuh
2007-02-22 0:12 ` Richard Purdie
2007-02-22 0:12 ` Richard Purdie
2007-02-22 0:51 ` Henrique de Moraes Holschuh
2007-02-22 1:10 ` Richard Purdie
2007-02-22 1:10 ` Richard Purdie
2007-02-22 2:13 ` Henrique de Moraes Holschuh
2007-02-22 1:10 ` Henrique de Moraes Holschuh
2007-02-22 1:16 ` ACPI: ibm-acpi: fix initial status of backlight device Henrique de Moraes Holschuh
2007-02-22 10:03 ` Richard Purdie
2007-02-22 14:45 ` Henrique de Moraes Holschuh
2007-02-22 18:19 ` Henrique de Moraes Holschuh
2007-02-22 10:00 ` no backlight on radeon after recent kernel "upgrade"s Richard Purdie
2007-02-22 10:00 ` Richard Purdie
2007-02-22 14:56 ` Henrique de Moraes Holschuh
2007-02-22 15:19 ` Richard Purdie
2007-02-22 15:19 ` Richard Purdie
2007-02-22 16:00 ` James Simmons
2007-02-22 16:00 ` James Simmons
2007-02-22 16:34 ` Henrique de Moraes Holschuh
2007-02-22 17:08 ` Richard Purdie
2007-02-22 17:08 ` Richard Purdie
2007-02-21 23:51 ` Alex Romosan
2007-02-22 1:13 ` James Simmons
2007-02-22 1:13 ` James Simmons
2007-02-22 9:56 ` Richard Purdie
2007-02-22 9:56 ` Richard Purdie
2007-02-22 14:38 ` Henrique de Moraes Holschuh
2007-02-22 4:03 ` Alex Romosan
2007-02-22 4:58 ` Alex Romosan
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