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authorPavel Dovgalyuk <pavel.dovgaluk@ispras.ru>2016-09-15 12:01:33 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2016-09-15 15:10:06 +0200
commit39c88f56977f9ad2451444d70dd21d8189d74f99 (patch)
treec9204cd6f91b7326985d52be72d95539ffc61c6a /hw/audio/pcspk.c
parent46f5feaa0ac24c0dbe6e0d04d0b11ee1df7c3bfd (diff)
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pcspk: adding vmstate for save/restore
VMState added by this patch preserves correct loading of the PC speaker device state. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20160915090133.6440.65457.stgit@PASHA-ISP> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/audio/pcspk.c')
-rw-r--r--hw/audio/pcspk.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
index 42a6f48..984534b 100644
--- a/hw/audio/pcspk.c
+++ b/hw/audio/pcspk.c
@@ -52,8 +52,8 @@ typedef struct {
unsigned int pit_count;
unsigned int samples;
unsigned int play_pos;
- int data_on;
- int dummy_refresh_clock;
+ uint8_t data_on;
+ uint8_t dummy_refresh_clock;
} PCSpkState;
static const char *s_spk = "pcspk";
@@ -187,6 +187,18 @@ static void pcspk_realizefn(DeviceState *dev, Error **errp)
pcspk_state = s;
}
+static const VMStateDescription vmstate_spk = {
+ .name = "pcspk",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT8(data_on, PCSpkState),
+ VMSTATE_UINT8(dummy_refresh_clock, PCSpkState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static Property pcspk_properties[] = {
DEFINE_PROP_UINT32("iobase", PCSpkState, iobase, -1),
DEFINE_PROP_END_OF_LIST(),
@@ -198,6 +210,7 @@ static void pcspk_class_initfn(ObjectClass *klass, void *data)
dc->realize = pcspk_realizefn;
set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
+ dc->vmsd = &vmstate_spk;
dc->props = pcspk_properties;
/* Reason: realize sets global pcspk_state */
dc->cannot_instantiate_with_device_add_yet = true;