[Qemu-devel] [PATCH v4 5/5] audio/hda: enable new timer code by default.

[Gerd Hoffmann <kraxel@redhat.com>]

Also add a compat property to disable it for old machine types,
needed for live migration compatibility.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/hw/compat.h  | 4 ++++
 hw/audio/hda-codec.c | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/hw/compat.h b/include/hw/compat.h
index 563908b874..44d5964060 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -6,6 +6,10 @@
         .driver   = "migration",\
         .property = "decompress-error-check",\
         .value    = "off",\
+    },{\
+        .driver   = "hda-audio",\
+        .property = "use-timer",\
+        .value    = "false",\
     },
 
 #define HW_COMPAT_2_11 \
diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c
index ac67b9aada..fc4945086b 100644
--- a/hw/audio/hda-codec.c
+++ b/hw/audio/hda-codec.c
@@ -839,7 +839,7 @@ static const VMStateDescription vmstate_hda_audio = {
 static Property hda_audio_properties[] = {
     DEFINE_PROP_UINT32("debug", HDAAudioState, debug,   0),
     DEFINE_PROP_BOOL("mixer", HDAAudioState, mixer,  true),
-    DEFINE_PROP_BOOL("use-timer", HDAAudioState, use_timer, false),
+    DEFINE_PROP_BOOL("use-timer", HDAAudioState, use_timer,  true),
     DEFINE_PROP_END_OF_LIST(),
 };
 
-- 
2.9.3