Based on a patch by Martin Schrodt.

v2: drop underrun detection, handle overruns only.

Gerd Hoffmann (4):
  audio/hda: create millisecond timers that handle IO
  audio/hda: turn some dprintfs into trace points
  audio/hda: tweak timer adjust logic
  audio/hda: detect output buffer overruns

 include/hw/compat.h   |   7 ++
 hw/audio/hda-codec.c  | 287 ++++++++++++++++++++++++++++++++++++++++++++------
 hw/audio/intel-hda.c  |   7 --
 hw/audio/trace-events |   6 ++
 4 files changed, 269 insertions(+), 38 deletions(-)

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2.9.3