Re: missing acpi backlight bisected to 9661e92c10

From: Matthew Garrett
Date: Fri Aug 12 2011 - 08:18:46 EST

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 ?

Matthew Garrett | mjg59@xxxxxxxxxxxxx
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