intel-hda: Honor WAKEEN bits.

HDA: Honor WAKEEN bits when deciding to raise an interrupt on codec
status change.  This prevents an interrupt storm with the Haiku HDA
driver which does not handle codec status changes in the irq handler.
Signed-off-by: NFrançois Revol <revol@free.fr>
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Nmalc <av1474@comtv.ru>

hw/intel-hda.c

@@ -246,7 +246,7 @@ static void intel_hda_update_int_sts(IntelHDAState *d)
     if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
         sts |= (1 << 30);
     }
-    if (d->state_sts) {
+    if (d->state_sts & d->wake_en) {
         sts |= (1 << 30);
     }
 
@@ -628,6 +628,7 @@ static const struct IntelHDAReg regtab[] = {
     [ ICH6_REG_WAKEEN ] = {
         .name     = "WAKEEN",
         .size     = 2,
+        .wmask    = 0x3fff,
         .offset   = offsetof(IntelHDAState, wake_en),
     },
     [ ICH6_REG_STATESTS ] = {