http://bugzilla.kernel.org/show_bug.cgi?id=12450
------- Comment #10 from yakui.z...@intel.com 2009-01-19 16:47 -------
Thanks for the test.
It seems that the backlight can't work well when it is registered by
generic ACPI video driver. But it can work well if it is registered as platform
backlight.
After the following commit is shipped, the generic backlight interface will
be preferred when the backlight can be registered by platform driver and ACPI
video driver.
>commit c3d6de698c84efdbdd3781b7058bcc339ab43da8
>Author: Thomas Renninger <tr...@suse.de>
>Date: Fri Aug 1 17:37:55 2008 +0200
>ACPI video: if no ACPI backlight support, use vendor drivers
Of course I will continue to investigate why the ACPI backlight interface
can work on your box.
Thanks.
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