On Mon, Aug 22, 2011 at 10:25:24AM +0430, Ali Gholami Rudi wrote:
> Yet, /sys/devices/virtual/backlight/acpi_video0/brightness only
> appears after the revert. Seems something changes its behavior
> if new_bd->dev.parent is not NULL in backlight_device_register().
Well, yes, if it has a parent i
Well, that all looks fine. And I also can't see any way that this commit
could cause the backlight not to appear - all it does is set the parent
if it's present. There's no new path that could cause it to return
early. Does reverting this patch really make things work?
--
Matthew Garrett | mj..
Sigh. Could you provide the output of lspci and acpidump?
--
Matthew Garrett | mj...@srcf.ucam.org
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