From mboxrd@z Thu Jan  1 00:00:00 1970
From: yakui_zhao <yakui.zhao@intel.com>
Subject: Re: 2.6.30-rc3 video/i915 build error
Date: Fri, 24 Apr 2009 09:10:58 +0800
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To: Len Brown <lenb@kernel.org>
Cc: Norbert Preining <preining@logic.at>, Jesse Barnes <jbarnes@virtuousgeek.org>, Eric Anholt <eric@anholt.net>, "Zhang, Rui" <rui.zhang@intel.com>, Keith Packard <keithp@keithp.com>, "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>

On Fri, 2009-04-24 at 03:50 +0800, Len Brown wrote:

Hi, Len
    The issue can be fixed by the patch from Matthew.
    In Matthew's patch the acpi video is also selected when the i915 is
compiled as builtin-kernel module.
    But IMO this is not very good. From the Kconfig file we know that
acpi video driver depends on the following configuration:
    BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL

    If the VIDEO_OUTPUT_CONTROL/BACKLIGHT_CLASS_DEVICE is not selected,
then it will still fail in kernel compilation.

    Thanks.
> 
> http://patchwork.kernel.org/patch/18420/
> 
> thanks,
> Len Brown, Intel Open Source Technology Center
> 
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