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USB Infrared Toy / Re: Irtoy shows up as CDC Test device
There is no /dev/ttyACM0 device, but instead a /dev/input/by-id/usb-Dangerous_Prototypes_CDC_Test_00000001-event-if01 device.It's not IRToys fault. Kernel 5.9 changed its behaviour. I got it working again by modifying /etc/lirc/lirc_options.conf like this:
driver = default
device = auto
see also https://wiki.archlinux.org/index.php/LIRC/Quick_start_guide