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    SubjectRe: 2.6.21-rc2 radeon backlight
    On Fri, 02 Mar 2007 09:24:03 -0800
    Alex Romosan <romosan@sycorax.lbl.gov> wrote:

    > Andrew Morton <akpm@linux-foundation.org> writes:
    >
    > > On Wed, 28 Feb 2007 08:32:43 -0800
    > > Alex Romosan <romosan@sycorax.lbl.gov> wrote:
    > >
    > >> the backlight on my thinkpad still (2.6.20 worked fine) doesn't come
    > >> on if i have the radeon backlight enabled. without it, i guess it's
    > >> the ibm acpi modules that controls the backlight and it seems to work
    > >> fine.
    > >>
    > >
    > > Unclear. Are you saying that the backlight comes on OK if you use
    > > the IBM acpi module?
    >
    > yes, if i disable the radeon backlight and use the ibm acpi module,
    > than the backlight works. if i enable the radeon backlight, the screen
    > stays dark and i can't turn it on (i tried using radeontool to control
    > it but nothing happened).

    Richard, is this actually a bug, or is it a config error or something like that?

    And should we track it as a post-2.6.20 regression?
    -
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