On Sat, Jun 01, 2002 at 01:03:55PM +0200, Vojtech Pavlik wrote: > 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.
You may even be able to use the functions hid-core.c provides for that ... -- 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