Re: missing acpi backlight bisected to 9661e92c10

From: Ali Gholami Rudi
Date: Fri Aug 12 2011 - 08:48:43 EST

Matthew Garrett <mjg@xxxxxxxxxx> wrote:
> 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 it won't be under /sys/devices/virtual.
> Does it appear under /sys/class/backlight ?

Yep! Thought this is the 2.6.38-rc1 issue coming back (I really
thought I had searched /sys...). Sorry for the noise.


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