From 22f1816abcb97b9df9f0c7b896202a4c3c5d89ec Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 3 Feb 2014 14:18:24 -0500
Subject: [PATCH 4/6] hda-codec: disable streams on reset

Message-id: <1391437104-22283-2-git-send-email-kraxel@redhat.com>
Patchwork-id: 57073
O-Subject: [RHEL-7 qemu-kvm PATCH 1/1] hda-codec: disable streams on reset
Bugzilla: 947812
RH-Acked-by: Markus Armbruster <armbru@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Acked-by: Bandan Das <bsd@redhat.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 39e6a38cdd4b235b2918b4977f31fde2c0da3bc4)
---
 hw/audio/hda-codec.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 hw/audio/hda-codec.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c
index 07a43bf..986f2a9 100644
--- a/hw/audio/hda-codec.c
+++ b/hw/audio/hda-codec.c
@@ -559,6 +559,21 @@ static int hda_audio_post_load(void *opaque, int version)
     return 0;
 }
 
+static void hda_audio_reset(DeviceState *dev)
+{
+    HDAAudioState *a = DO_UPCAST(HDAAudioState, hda.qdev, dev);
+    HDAAudioStream *st;
+    int i;
+
+    dprint(a, 1, "%s\n", __func__);
+    for (i = 0; i < ARRAY_SIZE(a->st); i++) {
+        st = a->st + i;
+        if (st->node != NULL) {
+            hda_audio_set_running(st, false);
+        }
+    }
+}
+
 static const VMStateDescription vmstate_hda_audio_stream = {
     .name = "hda-audio-stream",
     .version_id = 1,
@@ -640,6 +655,7 @@ static void hda_audio_output_class_init(ObjectClass *klass, void *data)
     k->stream = hda_audio_stream;
     set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
     dc->desc = "HDA Audio Codec, output-only (line-out)";
+    dc->reset = hda_audio_reset;
     dc->vmsd = &vmstate_hda_audio;
     dc->props = hda_audio_properties;
 }
@@ -662,6 +678,7 @@ static void hda_audio_duplex_class_init(ObjectClass *klass, void *data)
     k->stream = hda_audio_stream;
     set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
     dc->desc = "HDA Audio Codec, duplex (line-out, line-in)";
+    dc->reset = hda_audio_reset;
     dc->vmsd = &vmstate_hda_audio;
     dc->props = hda_audio_properties;
 }
@@ -684,6 +701,7 @@ static void hda_audio_micro_class_init(ObjectClass *klass, void *data)
     k->stream = hda_audio_stream;
     set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
     dc->desc = "HDA Audio Codec, duplex (speaker, microphone)";
+    dc->reset = hda_audio_reset;
     dc->vmsd = &vmstate_hda_audio;
     dc->props = hda_audio_properties;
 }
-- 
1.8.3.1