Heh, of course jackpoll_ms=40 doesn't work, anything below 50 ms is ignored: https://github.com/torvalds/linux/blob/master/sound/pci/hda/hda_intel.c#L1720
With jackpoll_ms=60 I'm seeing intervals of slightly above 60 ms, so this makes sense.
Heh, of course jackpoll_ms=40 doesn't work, anything below 50 ms is ignored: https:/ /github. com/torvalds/ linux/blob/ master/ sound/pci/ hda/hda_ intel.c# L1720
With jackpoll_ms=60 I'm seeing intervals of slightly above 60 ms, so this makes sense.