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From: Hans Petter Selasky <hselasky@FreeBSD.org>
Date: Wed, 20 Apr 2011 19:41:08 +0000 (UTC)
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Subject: svn commit: r220900 - head/sys/dev/sound/usb
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Author: hselasky
Date: Wed Apr 20 19:41:08 2011
New Revision: 220900
URL: http://svn.freebsd.org/changeset/base/220900

Log:
  Only set the sample rate if the USB audio channel reports
  that it supports the frequency control request.
  
  MFC after:	7 days
  Approved by:	thompsa (mentor)

Modified:
  head/sys/dev/sound/usb/uaudio.c

Modified: head/sys/dev/sound/usb/uaudio.c
==============================================================================
--- head/sys/dev/sound/usb/uaudio.c	Wed Apr 20 18:49:12 2011	(r220899)
+++ head/sys/dev/sound/usb/uaudio.c	Wed Apr 20 19:41:08 2011	(r220900)
@@ -1360,11 +1360,10 @@ uaudio_chan_init(struct uaudio_softc *sc
 	    sc->sc_mixer_iface_index);
 
 	/*
-	 * If just one sampling rate is supported,
-	 * no need to call "uaudio_set_speed()".
-	 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
+	 * Only set the sample rate if the channel reports that it
+	 * supports the frequency control.
 	 */
-	if (ch->p_asf1d->bSamFreqType != 1) {
+	if (ch->p_sed->bmAttributes & UA_SED_FREQ_CONTROL) {
 		if (uaudio_set_speed(sc->sc_udev, endpoint, ch->sample_rate)) {
 			/*
 			 * If the endpoint is adaptive setting the speed may