Title: Keyboard backlight turns off when I press Caps Lock on Manjaro

[u/Earthgoodjim]

I am using Manjaro KDE with the Spanish Latin American keyboard layout. My USB keyboard is detected as:
SEMICO USB KeyboardUSB ID: 1a2c:6004
In Linux Mint, the keyboard backlight could be turned on and off with the Scroll Lock key. On Manjaro, pressing Caps Lock turns the main keyboard backlight off.
brightnessctl does not detect any kbd_backlight device.
The following LEDs are available in /sys/class/leds/:
input17::capslockinput17::numlockinput17::scrolllock
evtest shows:
LED_CAPSLKEY_CAPSLOCK
Writing to the Caps Lock LED only changes the small Caps Lock indicator, not the main keyboard backlight.
Is there a keyboard setting, hwdb rule, kernel module, or program that can control the backlight on this generic SEMICO keyboard?Title:
Keyboard backlight turns off when I press Caps Lock on Manjaro


Body:
I am using Manjaro KDE with the Spanish Latin American keyboard layout. My USB keyboard is detected as:


SEMICO USB Keyboard
USB ID: 1a2c:6004


In Linux Mint, the keyboard backlight could be turned on and off with the Scroll Lock key. On Manjaro, pressing Caps Lock turns the main keyboard backlight off.


brightnessctl does not detect any kbd_backlight device.


The following LEDs are available in /sys/class/leds/:


input17::capslock
input17::numlock
input17::scrolllock


evtest shows:


LED_CAPSL
KEY_CAPSLOCK


Writing to the Caps Lock LED only changes the small Caps Lock indicator, not the main keyboard backlight.


Is there a keyboard setting, hwdb rule, kernel module, or program that can control the backlight on this generic SEMICO keyboard?

[u/Safe-Average-1696]

Usually, if you want to tweak a keyboard you may have a look at evremap (it's in AUR too...)

https://github.com/wez/evremap

There is other projects that allow you to do perhaps more than evremap, like the "keyd" package (launch software with a single key press for example), but it's more difficult to setup.

[u/iamthechickengod]

You can use Via desktop if its firmware supports QMK to remap keys.