[Bug 1174647] Re: "CPU fan control not available" on Samsung 900X3c

[microsome]

I checked for errors using  sudo /lib/udev/keymap -i input/event3
The result for Fn+F11 is:   scan code: 0xB3   key code: prog3

Don't know what prog3 means.

Here are the contents of the relevant files, strangely Fn+F11 is defined
here as SIlentmode???

# /usr/lib/udev/keymaps/samsung-900x3c
0xCE prog1              # FN+F1 System Settings
0x89 brightnessdown     # FN+F2 Brightness down
0x88 brightnessup	# FN+F3 Brightness up
0x82 switchvideomode    # FN+F4 Switch video mode
0xF9 f23                # FN+F5 Turn touchpad off
0xA0 mute               # FN+F6 Mute
0xAE volumedown         # FN+F7 Volume down
0xB0 volumeup           # FN+F8 Volume up
0x97 kbdillumdown	# FN+F9 Keyboard backlight down
0x96 kbdillumup         # FN+F10 Keyboard backlight up
0xB3 silentmode         # FN+F11 Silentmode
0xD5 wlan               # FN+F12 WiFi

# /usr/lib/udev/keymaps/force-release/samsung-900x3c
0xCE # FN+F1 System Settings
0x89 # FN+F2 Brightness down
0x88 # FN+F3 Brightness up
0x82 # FN+F4 Switch video mode
0xF9 # FN+F5 Turn touchpad off
0xA0 # FN+F6 Mute
0xAE # FN+F7 Volume down
0xB0 # FN+F8 Volume up
0x97 # FN+F9 Keyboard backlight down
0x96 # FN+F10 Keyboard backlight up
0xB3 # FN+F11 Silentmode
0xD5 # FN+F12 WiFi
 

In addition I got these messages for Fn+F6, Fn+F7 and Fn+F8,
respectively, even there are working:

scan code: 0xA0   key code: mute
got scan code event 0xA0 without a key code event
scan code: 0xAE   key code: volumedown
got scan code event 0xAE without a key code event
scan code: 0xB0   key code: volumeup
got scan code event 0xB0 without a key code event


** Attachment added: "udev-db.txt"
   https://bugs.launchpad.net/ubuntu/+source/udev/+bug/1174647/+attachment/3660529/+files/udev-db.txt

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https://bugs.launchpad.net/bugs/1174647

Title:
  "CPU fan control not available"  on Samsung 900X3c

Status in “udev” package in Ubuntu:
  Incomplete

Bug description:
  Using Fn+F11 shows the message "CPU fan control not available" and the
  current temperature. In 12.10 multiple pressing of these button
  switches from silent to normal and I think something like turbo/heavy
  use resulting in increasing usage of the fan.

  In Ubuntu 13.04 this function is gone. In addition the keyboard back-
  light buttons (Fn+F9 and Fn+F10) invoke the message but I can not
  modify the brightness. It is always at max. More strange this is
  independent whether the light is on or off.

  Ubunut 13.04
  3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 18:16:28 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

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