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ALSA: hda_intel: fix handling of non-completion stream interrupts
authorClemens Ladisch <clemens@ladisch.de>
Tue, 25 May 2010 07:03:40 +0000 (09:03 +0200)
committerTakashi Iwai <tiwai@suse.de>
Tue, 25 May 2010 18:23:15 +0000 (20:23 +0200)
commit6b5d0b8c90113259ae13a1f9b49f56b036437aa7
tree7581d83c1f06f56f47f461e85ef181e3d3878921tree | snapshot
parentb73b0c39e1734715a3a226cbf3ef71f7e29b5e1bcommit | diff
ALSA: hda_intel: fix handling of non-completion stream interrupts

Check that the interrupt raised for a stream is actually a buffer
completion interrupt before handling it as one.  Otherwise, memory
errors or FIFO xruns would be interpreted as a pointer update and could
break the stream timing.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/hda_intel.c diff | blob | history
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