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From: Alexander Motin <mav@FreeBSD.org>
Date: Wed, 4 Apr 2012 17:24:54 +0000 (UTC)
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Subject: svn commit: r233878 - stable/9/sys/dev/sound/pci/hda
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Author: mav
Date: Wed Apr  4 17:24:53 2012
New Revision: 233878
URL: http://svn.freebsd.org/changeset/base/233878

Log:
  MFC r233606:
  Stop HDA controller polling callout on suspend and reset it on resume.
  
  PR:		kern/166382

Modified:
  stable/9/sys/dev/sound/pci/hda/hdac.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/dev/sound/pci/hda/hdac.c
==============================================================================
--- stable/9/sys/dev/sound/pci/hda/hdac.c	Wed Apr  4 16:15:40 2012	(r233877)
+++ stable/9/sys/dev/sound/pci/hda/hdac.c	Wed Apr  4 17:24:53 2012	(r233878)
@@ -1558,8 +1558,10 @@ hdac_suspend(device_t dev)
 	HDA_BOOTHVERBOSE(
 		device_printf(dev, "Reset controller...\n");
 	);
+	callout_stop(&sc->poll_callout);
 	hdac_reset(sc, 0);
 	hdac_unlock(sc);
+	callout_drain(&sc->poll_callout);
 	taskqueue_drain(taskqueue_thread, &sc->unsolq_task);
 	HDA_BOOTHVERBOSE(
 		device_printf(dev, "Suspend done\n");
@@ -1608,6 +1610,7 @@ hdac_resume(device_t dev)
 	    HDAC_GCTL_UNSOL);
 	HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, HDAC_INTCTL_CIE | HDAC_INTCTL_GIE);
 	DELAY(1000);
+	hdac_poll_reinit(sc);
 	hdac_unlock(sc);
 
 	error = bus_generic_resume(dev);