On Fri, 3 Jul 2009, Pierre Ossman wrote: > Nice. None of the built-in hubs supported this though, and this > particular "feature" got me extra disappointed: > > No overcurrent protection > > And here I thought everything on a modern motherboard hade overcurrent > protection. :/ > > Luckily both two hubs I had lying around supported power switching > though (confirmed it using a optical mouse). That isn't a reliable confirmation. When you tell a hub to turn off power to a port, it will stop relaying packets through that port -- even if it leaves the power on. Without packets arriving every few milliseconds, the optical mouse will go into suspend mode and turn off its LED. > Now for the fun part. Once I put an extra hub between the host and the > IR device, it started working nicely on boot. So no power hack > needed. :) Okay, good! Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
