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hda-audio: exit cleanup

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Add exit callback to the driver.  Unregister the sound card properly
on exit.

[ v2: codestyle: add braces ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: malc <av1474@comtv.ru>
This commit is contained in:
Gerd Hoffmann 2010-11-09 11:47:45 +01:00 committed by malc
parent dc4b9240dc
commit 129dcd2c66
1 changed files with 24 additions and 0 deletions
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24
hw/hda-audio.c
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@ -808,6 +808,28 @@ static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
return 0;
}
static int hda_audio_exit(HDACodecDevice *hda)
{
HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
HDAAudioStream *st;
int i;
dprint(a, 1, "%s\n", __FUNCTION__);
for (i = 0; i < ARRAY_SIZE(a->st); i++) {
st = a->st + i;
if (st->node == NULL) {
continue;
}
if (st->output) {
AUD_close_out(&a->card, st->voice.out);
} else {
AUD_close_in(&a->card, st->voice.in);
}
}
AUD_remove_card(&a->card);
return 0;
}
static int hda_audio_post_load(void *opaque, int version)
{
HDAAudioState *a = opaque;
@ -879,6 +901,7 @@ static HDACodecDeviceInfo hda_audio_info_output = {
.qdev.vmsd = &vmstate_hda_audio,
.qdev.props = hda_audio_properties,
.init = hda_audio_init_output,
.exit = hda_audio_exit,
.command = hda_audio_command,
.stream = hda_audio_stream,
};
@ -890,6 +913,7 @@ static HDACodecDeviceInfo hda_audio_info_duplex = {
.qdev.vmsd = &vmstate_hda_audio,
.qdev.props = hda_audio_properties,
.init = hda_audio_init_duplex,
.exit = hda_audio_exit,
.command = hda_audio_command,
.stream = hda_audio_stream,
};