in_sysex 177 sound/usb/midi.c bool in_sysex; in_sysex 486 sound/usb/midi.c if (ep->in_sysex && in_sysex 500 sound/usb/midi.c ep->in_sysex = cin == 0x4; in_sysex 501 sound/usb/midi.c if (!ep->in_sysex)