This bug is missing log files that will aid in diagnosing the problem.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1169386
Title:
Toshiba satellite A660: topmost keys all produce the same scancode
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Toshiba satellite A660 backlight just never worked on ubuntu.
Here is an outline of some of the LEDS in a toshiba
http://i.imgur.com/l54s5CP.jpg
When i press Fn+Z the ubuntu keyboard LED notification shows up,
however nothing changes.
so i navigated to
/sys/devices/pci0000:00/0000:00:1c.4/0000:16:00.0/firmware_node/subsystem/devices/TOS1900:00/leds/toshiba::illumination/device/leds/toshiba::illumination
found files
brightness device max_brightness power subsystem trigger uevent
when i changed the value in brightness from 0 to 1
LED 1, 2, and 3 in the above picture turns on, and led 1 turns off
when touch bad is off.
However there is no keyboard backlight.upon boot the backboard
backlight works while posting and shutdown when grub loads. When i
disable acpi the keyboard backlight works however ill lose other
functionalities like brightness.
Any way to fix it?
There is also another directory.
/sys/devices/pci0000:00/0000:00:1c.4/0000:16:00.0/firmware_node/subsystem/devices/TOS1900:00/leds/toshiba::illumination/device/leds/toshiba::illumination/subsystem/mmc0::
with files brightness device max_brightness power subsystem trigger uevent
nothing happens when brightness value changes.
LSB Version:
core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch
Distributor ID: Ubuntu
Description: Ubuntu Raring Ringtail (development branch)
Release: 13.04
Codename: raring
Linux mouhanad-Satellite-A660 3.8.0-18-generic #28-Ubuntu SMP Thu Apr 11
19:38:55 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
#Problem also exists in older version of ubuntu, new kernel in 13.04
does not solve the problems.
xev shows a key being pressed and being mapped to kbdbacklight. A a
notification that keyboard is being turned on appears when Fn+Z is
pressed. Also unlike other manufactures toshiba doesn't have
brightness on backlit keyboards, its either on or off or a timer.
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