On Mon, Dec 24, 2012 at 9:00 PM, Hans de Goede <hdego...@redhat.com> wrote: > Hi, > > > On 12/21/2012 03:06 AM, Xiaofan Chen wrote: >> >> This may be of some interests to the list here, especially with >> regard to the Mac OS X HID backend. >> >> http://lists.apple.com/archives/usb/2011/Feb/msg00021.html >> "The IOUSBHIDDriver only has one interrupt read pending at a time. >> That means that at the best case, you will get a IN token on the bus >> every other millisecond, if your polling rate is 1ms." > > > This is not true, unless Apple's hcd drivers suck,
Unfortunately this is true based on the mailing list. Actually there is a very recent thread about this. http://lists.apple.com/archives/usb/2012/Dec/msg00027.html -- Xiaofan ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________ libusbx-devel mailing list libusbx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libusbx-devel
