From owner-svn-src-all@FreeBSD.ORG Thu Feb 23 07:56:20 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 835251065672; Thu, 23 Feb 2012 07:56:20 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 546428FC17; Thu, 23 Feb 2012 07:56:20 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q1N7uKMV090698; Thu, 23 Feb 2012 07:56:20 GMT (envelope-from hselasky@svn.freebsd.org) Received: (from hselasky@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q1N7uK1J090696; Thu, 23 Feb 2012 07:56:20 GMT (envelope-from hselasky@svn.freebsd.org) Message-Id: <201202230756.q1N7uK1J090696@svn.freebsd.org> From: Hans Petter Selasky Date: Thu, 23 Feb 2012 07:56:20 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r232039 - head/sys/dev/sound/usb X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Feb 2012 07:56:20 -0000 Author: hselasky Date: Thu Feb 23 07:56:19 2012 New Revision: 232039 URL: http://svn.freebsd.org/changeset/base/232039 Log: Avoid creating PCM devices for MIDI adapters. MFC after: 3 days Modified: head/sys/dev/sound/usb/uaudio.c Modified: head/sys/dev/sound/usb/uaudio.c ============================================================================== --- head/sys/dev/sound/usb/uaudio.c Thu Feb 23 07:34:53 2012 (r232038) +++ head/sys/dev/sound/usb/uaudio.c Thu Feb 23 07:56:19 2012 (r232039) @@ -626,21 +626,21 @@ uaudio_attach(device_t dev) sc->sc_mixer_count); if (sc->sc_play_chan.valid) { - device_printf(dev, "Play: %d Hz, %d ch, %s format\n", + device_printf(dev, "Play: %d Hz, %d ch, %s format.\n", sc->sc_play_chan.sample_rate, sc->sc_play_chan.p_asf1d->bNrChannels, sc->sc_play_chan.p_fmt->description); } else { - device_printf(dev, "No playback!\n"); + device_printf(dev, "No playback.\n"); } if (sc->sc_rec_chan.valid) { - device_printf(dev, "Record: %d Hz, %d ch, %s format\n", + device_printf(dev, "Record: %d Hz, %d ch, %s format.\n", sc->sc_rec_chan.sample_rate, sc->sc_rec_chan.p_asf1d->bNrChannels, sc->sc_rec_chan.p_fmt->description); } else { - device_printf(dev, "No recording!\n"); + device_printf(dev, "No recording.\n"); } if (sc->sc_midi_chan.valid) { @@ -648,9 +648,9 @@ uaudio_attach(device_t dev) if (umidi_probe(dev)) { goto detach; } - device_printf(dev, "MIDI sequencer\n"); + device_printf(dev, "MIDI sequencer.\n"); } else { - device_printf(dev, "No midi sequencer\n"); + device_printf(dev, "No midi sequencer.\n"); } DPRINTF("doing child attach\n"); @@ -659,13 +659,21 @@ uaudio_attach(device_t dev) sc->sc_sndcard_func.func = SCF_PCM; - child = device_add_child(dev, "pcm", -1); + /* + * Only attach a PCM device if we have a playback, recording + * or mixer device present: + */ + if (sc->sc_play_chan.valid || + sc->sc_rec_chan.valid || + sc->sc_mix_info) { + child = device_add_child(dev, "pcm", -1); - if (child == NULL) { - DPRINTF("out of memory\n"); - goto detach; + if (child == NULL) { + DPRINTF("out of memory\n"); + goto detach; + } + device_set_ivars(child, &sc->sc_sndcard_func); } - device_set_ivars(child, &sc->sc_sndcard_func); if (bus_generic_attach(dev)) { DPRINTF("child attach failed\n");