http://bugzilla.kernel.org/show_bug.cgi?id=12106
------- Comment #20 from [EMAIL PROTECTED] 2008-12-02 17:16 ------- (In reply to comment #18) > levels: 100 90 25 35 45 60 70 80 90 100 > current: 25 > > Out put of /proc/acpi/video/GFX0/DD04/brightness lines 1-2/2 (END) > > Still changes when I change /sys/class/backlight ... brighness that's right. there is a 1v1 match between ACPI backlight procfs I/F and sysfs I/F. in order to make the problem easier, please poking only one I/F during the test. > > If I change the above proc to this: > > levels: 100 90 25 35 45 60 70 80 90 100 > current: 50 > how can you change the current value to 50?? only the values listed in the "levels:" line are valid. > > [ Error writing /proc/acpi/video/GFX0/DD04/brightness: Invalid argument ] > > and > > echo 50 > /proc/acpi/video/GFX0/DD04/brightness > > does nothing and > > echo 100 > /proc/acpi/video/GFX0/DD04/brightness > > crashes the laptop > please run: 1.dmesg -c 2.echo 40 > /proc/acpi/video/GFX0/DD04/brightness 3.dmesg > dmesg-40 4.dmesg -c 5.echo 90 > /proc/acpi/video/GFX0/DD04/brightness 6.dmesg >dmesg-90 and attach these two dmesg outputs here. -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is. ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
