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From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 31 Jan 2012 12:57:21 +0000 (UTC)
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Subject: svn commit: r230807 - head/sys/dev/sound/pci/hda
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Author: mav
Date: Tue Jan 31 12:57:21 2012
New Revision: 230807
URL: http://svn.freebsd.org/changeset/base/230807

Log:
  Just in case, clear stream interrupts before enabling them.

Modified:
  head/sys/dev/sound/pci/hda/hdac.c

Modified: head/sys/dev/sound/pci/hda/hdac.c
==============================================================================
--- head/sys/dev/sound/pci/hda/hdac.c	Tue Jan 31 11:00:33 2012	(r230806)
+++ head/sys/dev/sound/pci/hda/hdac.c	Tue Jan 31 12:57:21 2012	(r230807)
@@ -1921,6 +1921,8 @@ hdac_stream_start(device_t dev, device_t
 	ctl |= 1 << ss;
 	HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl);
 
+	HDAC_WRITE_1(&sc->mem, off + HDAC_SDSTS,
+	    HDAC_SDSTS_DESE | HDAC_SDSTS_FIFOE | HDAC_SDSTS_BCIS);
 	ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0);
 	ctl |= HDAC_SDCTL_IOCE | HDAC_SDCTL_FEIE | HDAC_SDCTL_DEIE |
 	    HDAC_SDCTL_RUN;