my powerbook fails to resume if backlight control is disabled

Michael Hanselmann linux-kernel at
Thu Apr 5 05:31:33 EST 2007

Hi Johannes

On Wed, Apr 04, 2007 at 05:20:40PM +0200, Johannes Berg wrote:
> The thing is that I had turned off some options to the point where I
> had /sys/class/backlight but nothing in it. I don't know for sure what
> exactly these options were, but I do know that CONFIG_PMAC_BACKLIGHT and
> CONFIG_PMAC_BACKLIGHT_LEGACY were off, though that alone shouldn't
> cause /sys/class/backlight/radeonbl0 to disappear.

It can:
    bool "Support for backlight control"
    depends on FB_RADEON && PMAC_BACKLIGHT

Maybe I can try it during the next weekend.

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