Julien BLACHE <jbla...@debian.org> writes:

> What do you have under /sys/class/backlight? If there's anything in
> there, does it work if you manually change the backlight there?

I've included the file information below, but max_brightness is 15, and
from X, nothing happens after either an "echo 1 > brighness" or an "echo
15 > brightness".  From the console, both of those commands do what I'd
expect.  Perhaps it's an nvidia problem.  (AFAIK, I can't run nouveau
on this machine yet.)

$ find /sys/class/backlight -ls
   213    0 drwxr-xr-x   2 root     root            0 Aug  4 18:25 
/sys/class/backlight
  9974    0 lrwxrwxrwx   1 root     root            0 Aug  4 18:25 
/sys/class/backlight/mbp_backlight -> 
../../devices/virtual/backlight/mbp_backlight

$ find /sys/devices/virtual/backlight/mbp_backlight -ls
  9971    0 drwxr-xr-x   3 root     root            0 Aug  4 18:25 
/sys/devices/virtual/backlight/mbp_backlight
  9972    0 -rw-r--r--   1 root     root         4096 Aug  4 18:25 
/sys/devices/virtual/backlight/mbp_backlight/uevent
  9973    0 lrwxrwxrwx   1 root     root            0 Aug  4 18:25 
/sys/devices/virtual/backlight/mbp_backlight/subsystem -> 
../../../../class/backlight
  9975    0 -rw-r--r--   1 root     root         4096 Aug  4 19:59 
/sys/devices/virtual/backlight/mbp_backlight/bl_power
  9976    0 -rw-r--r--   1 root     root         4096 Aug  4 18:25 
/sys/devices/virtual/backlight/mbp_backlight/brightness
  9977    0 -r--r--r--   1 root     root         4096 Aug  4 18:25 
/sys/devices/virtual/backlight/mbp_backlight/actual_brightness
  9978    0 -r--r--r--   1 root     root         4096 Aug  4 19:59 
/sys/devices/virtual/backlight/mbp_backlight/max_brightness
  9979    0 drwxr-xr-x   2 root     root            0 Aug  4 19:59 
/sys/devices/virtual/backlight/mbp_backlight/power
  9980    0 -rw-r--r--   1 root     root         4096 Aug  4 20:00 
/sys/devices/virtual/backlight/mbp_backlight/power/wakeup

Thanks
-- 
Rob Browning
rlb @defaultvalue.org and @debian.org
GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4



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