On Fri, Dec 14, 2007 at 11:06:20AM -0500, Alan Stern wrote: > On Thu, 13 Dec 2007, Jay Monkman wrote: > > > I'm trying to use a USB audio device on a MPC8349 (PowerPC SoC) > > system. The processor has a built in EHCI controller. > ... > > I don't see anything in dmesg that indicates any real difference > > between the two cases. > > I forgot to mention one other thing. The usbmon log where you attached > the device directly (no hub) showed the USB controller reporting an > overcurrent status. Maybe this is just wrong, or maybe the audio > device is drawing too much power from the SOC.
The hub I've been using isn't powered, and the device works with it. So there's definitely enough current on the bus to power just the device. Could it be that something in the host driver isn't set up correctly regarding power and that's what's causing the device alone to fail? - To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
