From mboxrd@z Thu Jan  1 00:00:00 1970
From: Len Brown <lenb@kernel.org>
Subject: Re: Question about ACPI Video
Date: Mon, 25 Jan 2010 22:24:02 -0500 (EST)
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To: Zhang Rui <rui.zhang@intel.com>
Cc: luke lin <luke.lin1105@gmail.com>, "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>, Luke lin <luke1105@gmail.com>

> > why after level == max_level, it will still need set_level again?
> > is this a bug, or it is necessary.
> > 
> Because setting the backlight to max_level is just to check if _BQC uses
> indexed value. We need to set the backlight back after this is done.

perhaps a good place for a comment?

thanks,
Len Brown, Intel Open Source Technology Center