The “meson-ir” is not the module to be used on a Pi but on certain Odroid devices.
Please post the output of
cat /etc/lirc/lirc_options.conf
when the file hasn’t been modified manually.
Also post the output of
journalctl --no-tail | grep ir_controller
journalctl --no-tail | grep gpio_ir
and
journalctl --no-tail | grep lirc
after the system has booted.
BTW: What is your Volumio version? Do you have other hardware connected?