Sorry about the lateness, school just started ad I'm kinda busy now. I did what you said and it was working if I used high numbers like 200. Also it is booting with this > acpi_osi=Linux acpi_backlight=vendor because that's the only way I've made the light go down.
On 08/25/2013 06:40 PM, Aaron Lu wrote: > +Lee, the acer maintainer and sorry for the late reply. > > On 08/14/2013 12:14 PM, Maximiliano Oropeza wrote: >> Ok, now there was a change. In *acer-wmi*, I put: >>> root@Dayman:/home/maxo# cd /sys/class/backlight/ >>> root@Dayman:/sys/class/backlight# cd /sys/class/backlight/acer-wmi >>> root@Dayman:/sys/class/backlight/acer-wmi# cat max_brightness >>> 15 >>> root@Dayman:/sys/class/backlight/acer-wmi# 10 >>> 10: command not found >>> root@Dayman:/sys/class/backlight/acer-wmi# echo 5 > brightness >>> root@Dayman:/sys/class/backlight/acer-wmi# echo 7 > brightness >> and there was no change at all. >> >> But when I went to *intel_backlight*, I got: >>> root@Dayman:/sys/class/backlight/acer-wmi# cd >>> /sys/class/backlight/intel_backlight >>> root@Dayman:/sys/class/backlight/intel_backlight# cat max_brightness >>> 976 >>> root@Dayman:/sys/class/backlight/intel_backlight# echo 5 > brightness >>> root@Dayman:/sys/class/backlight/intel_backlight# echo 7 > brightness >>> root@Dayman:/sys/class/backlight/intel_backlight# >> and when I put echo 5 > brightness, the screen went super low, the same > The intel_backlight's max_brightness could be very high so the value 5 > or 7 are almost identical to 0, you can try some larger values like 500 > or 2000 etc. > >> with echo 7. I tried changing the brightness using the FN keys and it >> went at full brightness and once again I can't lower the brightness to >> about half. Same problems as before but *intel_backlight* is the one >> that actually changed brightness. > Your system needs some quirk I suppose. BTW, your system only have two > backlight interfaces acer-mi and intel_backlight, is it booting with > acpi_backlight=vendor option? > > Thanks, > Aaron -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1173961 Title: [Gateway NV55C] Two backlight interfaces that wont adjust backlight. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173961/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs