CachyOS on Darter Pro (darp5): keyboard backlight stuck in blue
Hi:
I've installed CachyOS on my darp5. I also installed the System76 driver:
```
❯ systemctl status system76-firmware-daemon
● system76-firmware-daemon.service - System76 Firmware Daemon
Loaded: loaded (/usr/lib/systemd/system/system76-firmware-daemon.service; enabled; preset>
Active: active (running) since Tue 2026-05-12 21:15:57 CST; 1h 0min ago
```
But I cannot control the keyboard backlight; it's stuck in blue.
Thanks in advance for any help!