From owner-svn-src-stable-8@FreeBSD.ORG Mon Mar 12 18:44:31 2012 Return-Path: Delivered-To: svn-src-stable-8@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 4CB64106566B; Mon, 12 Mar 2012 18:44:31 +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 21A688FC16; Mon, 12 Mar 2012 18:44:31 +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 q2CIiUa4080114; Mon, 12 Mar 2012 18:44:30 GMT (envelope-from hselasky@svn.freebsd.org) Received: (from hselasky@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q2CIiUDm080112; Mon, 12 Mar 2012 18:44:30 GMT (envelope-from hselasky@svn.freebsd.org) Message-Id: <201203121844.q2CIiUDm080112@svn.freebsd.org> From: Hans Petter Selasky Date: Mon, 12 Mar 2012 18:44:30 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org X-SVN-Group: stable-8 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r232879 - stable/8/sys/dev/sound/usb X-BeenThere: svn-src-stable-8@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for only the 8-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Mar 2012 18:44:31 -0000 Author: hselasky Date: Mon Mar 12 18:44:30 2012 New Revision: 232879 URL: http://svn.freebsd.org/changeset/base/232879 Log: MFC r232039: Avoid creating PCM devices for MIDI only adapters. Modified: stable/8/sys/dev/sound/usb/uaudio.c Directory Properties: stable/8/sys/ (props changed) Modified: stable/8/sys/dev/sound/usb/uaudio.c ============================================================================== --- stable/8/sys/dev/sound/usb/uaudio.c Mon Mar 12 18:41:41 2012 (r232878) +++ stable/8/sys/dev/sound/usb/uaudio.c Mon Mar 12 18:44:30 2012 (r232879) @@ -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");