2 .\" $NetBSD: uaudio.4,v 1.15 2002/02/12 19:53:57 jdolecek Exp $
4 .\" Copyright (c) 1999 The NetBSD Foundation, Inc.
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7 .\" This code is derived from software contributed to The NetBSD Foundation
8 .\" by Lennart Augustsson.
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43 .Nd USB audio device driver
50 driver provides support for
56 audio device consists of a number of components:
57 input terminals (e.g. USB digital input), output terminals (e.g.
58 speakers), and a number of units in between (e.g. volume control).
61 .Ql USB Audio Class Specification
67 .%T "USB Audio Class Specifications"
68 .%O http://www.usb.org/developers/devclass_docs/
73 driver first appeared in
77 This manual page was adopted from
82 .An Hiten Pandya Aq hmp@FreeBSD.org .
88 as of this writing, does not handle device un-registrations in a properly
89 abstracted manner, i.e. a detach request is refused by the
91 framework if the device is in use.
94 and supposedly other detach-able busses, it is necessary to allow the
95 device un-registration to complete successfully, otherwise the driver
96 leaves wild pointers to invalid data structures and thus leading to a panic.