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faq_tpx.md

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# ThinkPad X240:
# - switch End and Insert keys (so that when Fn-Lock is enabled, End works without Fn).
# - switch Home/End <> PgUp/PgDn

evdev:atkbd:dmi:bvn*:bvr*:bd*:svnLENOVO:pn*:pvrThinkPadX240:*
 KEYBOARD_KEY_c7=pageup   # physical    Home
 KEYBOARD_KEY_d2=pagedown # physcial    End
 KEYBOARD_KEY_cf=insert   # physical Fn+End
 KEYBOARD_KEY_c9=home     # physical    PgUp
 KEYBOARD_KEY_d1=end      # physical    PgDn

# http://fliplinux.com/udev-hwdb-numlock-0.html (squotted)
# https://yulistic.gitlab.io/2017/12/linux-keymapping-with-udev-hwdb

tools to detect key codes:

  • xev
  • sudo evtest

udev command to apply changes: TBA

/etc/dbus-1/system.d/org.freedesktop.UPower.conf

<allow send_destination="org.freedesktop.UPower"
       send_interface="org.freedesktop.UPower.KbdBacklight"/>


<deny send_destination="org.freedesktop.UPower"
       send_interface="org.freedesktop.UPower.KbdBacklight"/>

backlight keyboard control /sys/devices/platform/thinkpad_acpi/leds/tpacpi::kbd_backlight/brightness 0 // 0% 1 // 50% 2 // 100%