On Sat, 19 Mar 2011, Jake Drexel wrote:
> On 3/18/11, Peter G. (nephros) <think...@nephros.org> wrote:
> > cd /sys/devices/virtual/backlight/acpi_video0
> > for f in * ; do echo -n "$f: "; cat $f; done 2>/dev/null
> > actual_brightness: 10
> > bl_power: 0
> > brightness: 10
> > device: max_brightness: 15
> 
> i only got a backlight at /sys/devices/virtual/backlight/thinkpad_screen/
> is this wrong?

That depends.  Why are you using vendor backlight support instead of ACPI
backlight support?

If it is not being done on purpose, there is something fishy going on, or
you have disabled acpi "video" support.

As always, please check if you don't have to do a firmware (BIOS/EC) update
when any such weirdness happens.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

------------------------------------------------------------------------------
Enable your software for Intel(R) Active Management Technology to meet the
growing manageability and security demands of your customers. Businesses
are taking advantage of Intel(R) vPro (TM) technology - will your software 
be a part of the solution? Download the Intel(R) Manageability Checker 
today! http://p.sf.net/sfu/intel-dev2devmar
_______________________________________________
ibm-acpi-devel mailing list
ibm-acpi-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel

Reply via email to