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Is it possible to use the FnLock/Esc LED on Thinkpad T580 as a layout switch indicator using XKB? At the moment I use CapsLock as an indicator and AltGr as a toggle key, but since capslock LED is located right on capslock key, it's usually not seen behind the hand.

setxkbmap -layout us,ru -option "grp:toggle,ctrl:nocaps,grp_led:caps,compose:prsc,terminate:ctrl_alt_bksp"

As for FnLock, I can't find this led in /sys/class/leds:

$ ls /sys/class/leds/ input0::capslock input0::scrolllock platform::micmute tpacpi::kbd_backlight tpacpi::standby tpacpi::thinkvantage input0::numlock phy0-led platform::mute tpacpi::power tpacpi::thinklight

Do you have better ideas for a layout indicator?

Thanks.

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1 Answer 1

Reset to default
0

Try:

setxkbmap -layout us,ru -option "grp:toggle,ctrl:nocaps,grp_led:scroll,compose:prsc,terminate:ctrl_alt_bksp"

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  • Thanks, Artem, I've already tried this one. Not a single LED works then. Commented Aug 25, 2020 at 12:58
  • Do you actually have a keyboard key for Scroll Lock? Can you press the key in a text terminal (Ctrl Alt F2-F6) and see if the LED lights up? Commented Aug 25, 2020 at 14:22
  • No, there is no Scroll Lock key on Thinkpad keyboard, but Fn+K performs this function. No LED is triggered by this key. Commented Aug 25, 2020 at 14:51
  • If even the keyboard key doesn't trigger the scroll lock LED then it's most likely controlled differently. Try using gitlab.com/cameronnemo/brillo Commented Aug 25, 2020 at 14:59
  • But it's not even the scroll lock LED :) Its FnLock, a Thinkpad-specific indicator. Commented Aug 25, 2020 at 15:15

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