UYAP(4) Device Drivers Manual UYAP(4)

uyap
USB YAP phone firmware loader

uyap* at uhub?

The uyap driver downloads firmware into a YAP phone. The device will then disconnect and reappear as a composite device with two audio pipes (handled by uaudio(4)) and a HID device (handled by uhid(4)).

uaudio(4), uhid(4), usb(4)

The uyap driver appeared in NetBSD 1.6.
January 2, 2001 NetBSD 9.4