As I don't vahe a good understanding of the rc subsystem I asked on linux-media what's going on here and according to Mauro the absence of rc6 seems to be a kernel bug:
https://www.mail-archive.com/linux-media@vger.kernel.org/msg98286.html > That's said, from his report: > > $ sudo ir-keytable > Found /sys/class/rc/rc0/ (/dev/input/event4) with: > Driver imon, table rc-imon-pad > Supported protocols: other > > It should be listing both "other" and "RC6" protocols there. > It sounds a Kernel regression. I remember one Kernel patch once > broke the list of protocols. Maybe the fix patch were not applied > on Ubuntu, or maybe some other regression happened. ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1579760 Title: Protocol RC-6 no longer available for soundgraph imon (15c2:ffdc) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1579760/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs