Pedro Lopez-Cabanillas wrote: > El Lun 01 Jul 2002 19:24, Clemens Ladisch escribió: > > The submit call before the unlink will toggle the D0/D1 bit in > > dev->toggle[]. The call after the unlink will then use the toggled bit > > although the TD of the unlinked URB hasn't been completed successfully. > > Consequently, the next packet to be received will be lost. > > > > (the code may look silly, but it is the equivalent of executing > > insmod; ... rmmod; insmod) > > As I know that you have checked out Daisuke Nagano's usb-midi driver... > Perhaps is this the reason of the strange losing of the first midi event after > closing and then reopening the /dev/midi device with that driver?
Yes. As a workaround, closing and reopening twice will toggle the bit again to its correct value. > And if true, how your new ALSA usb-midi driver will be affected ? The first packet is lost with all drivers: usb-midi, ALSA snd-usb-midi, and my old ALSA daemon using usbdevfs. Clemens ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
