This keys cause a warning, but can be mapped to specified events - repeatedly presses lead to unresponsive remote for all keys
X11 KeyCode 185 (177), X11 KeySym 0x1008FF78 (XF86ScrollUp) ir_keytable assignment KEY_SCROLLUP
X11 KeyCode 186 (178), X11 KeySym 0x1008FF79 (XF86ScrollDown) ir_keytable assignment KEY_SCROLLDOWN
This keys cause a warning, but can be mapped to specified events - the warning does not appear, if the the .toml file is loaded with ir-keytable after the app which uses SDL is alredy started
X11 KeyCode 149 (141), X11 KeySym 0x0 ((null)) ir_keytable assignment KEY_SETUP
X11 KeyCode 252 (244), X11 KeySym 0x0 ((null)) ir_keytable assignment KEY_BRIGHTNESS_AUTO
OS: Debian Bullseye 64 Bit on Raspberry PI 4b