Hi Keith, On Sat, 19 Nov 2011, Keith Packard wrote:
> On Sat, 19 Nov 2011 11:26:07 +0000 (Local time zone must be set--see zic > manual page), Marcos Paulo de Souza <marcos.mage at gmail.com> wrote: >> So, anybody gets the same message? >> >> I'm trying the 3.2-rc2 and it gives the same message. >> >> Again, if you need someone to make tests, or test some patches, I'm >> able to do this. > > Is your machine even using the intel backlight device? You can test this > by: > > # cd /sys/class/backlight/intel_backlight > > Then look at 'max_brightness' and try echoing a range of numbers from 0 > to max_brightness into the brightness file and see if it changes the > backlight. My max_brightness is 1, and my brightness is 0. But, my acpi_video0 have a max_brightness value = 9... > It's more than possible that your machine is simply using some other > hardware to drive the backlight and that the integrated backlight > controller is simply disabled. So, what can I do to silence this warning...? Change the driver of backlight? > -- > keith.packard at intel.com >
