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There isn't a correct translation from scancodes to keycodes in place
for the 900X3C laptop, for more information see
"http://jablonskis.org/2012/linux-and-samsung-series-laptop-9-fn-keys/";,
however the codes on that page are not correct for 900X3C.
/lib/udev/keymap -i input/event3 gives the following information
(Fn+F1..F12)
scan code: 0xCE key code: kpplusminus
scan code: 0x89 key code: brightnessdown
scan code: 0x88 key code: brightnessup
scan code: 0x82 key code: switchvideomode
scan code: 0xF7 key code: f22
scan code: 0xA0 key code: mute
scan code: 0xAE key code: volumedown
scan code: 0xB0 key code: volumeup
got scan code event 0x97 without a key code event
got scan code event 0x96 without a key code event
scan code: 0xB3 key code: prog3
got scan code event 0xD5 without a key code event
The correct functionality would be:
Fn+F1: "Easy Settings"
Fn+F2: Brightness Down (OK)
Fn+F2: Brightness Up (OK)
Fn+F3: Switch Internal/External monitor
Fn+F4: Touchpad On/off
Fn+F6: Mute (OK)
Fn+F7: Vol Down (OK)
Fn+F8: Vol Up (OK)
Fn+F9: Keyboard backlight down
Fn+F10: Keyboard backlight up
Fn+F11: Silent Mode (toggle performance levels for reduced noise)
Fn+F12: Wireless on/off
$ lsb_release -rd
Description: Ubuntu 12.04 LTS
Release: 12.04
$ apt-cache policy udev
udev:
Installed: 175-0ubuntu9
Candidate: 175-0ubuntu9
Version table:
*** 175-0ubuntu9 0
500 http://se.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
100 /var/lib/dpkg/status
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: Fix Committed
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Samsung Series 9 laptop 900X3C not all keys correctly translated
https://bugs.launchpad.net/bugs/1012365
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