On Sat, Jun 01, 2002 at 01:02:23PM +0300, Johann Deneux wrote: > Vojtech Pavlik wrote: > > On Mon, May 27, 2002 at 01:17:58PM +0200, Johann Deneux wrote: > > > >>Johannes Erdfelt wrote: > >> > >> > >>> > >>>I can only see 2 reasons for putting it into the HCD: OHCI and EHCI > >>>handle it implicitily and for speed. > >>> > >>>There is a strong desire to keep bulk fast, but I can't come up with a > >>>reason for control to be faster. > >>> > >>> > >>It depends on what you mean by fast. I am trying to write a driver for a > >>device that needs control messages to be sent often (every 0.1s or 0.01s > >>or so). > >> > > > > Doesn't the device have an output endpoint for that? > > > > The device is an hid device using Logitech's home-made protocol for > force-feedback. It indeed has an output endpoint, but AFAIK it uses > control messages to handle force-feedback.
I think using the interrupt out endpoint will work equally well. Anyway, I think force feedback is the only reason to add an out endpoint to a mouse. -- Vojtech Pavlik SuSE Labs _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
