They don't advertise mixer support, but still allow the guest change
mixer settings. Add a check to avoid it.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
hw/audio/hda-codec.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c
index a67ca91..48c6ead 100644
--- a/hw/audio/hda-codec.c
+++ b/hw/audio/hda-codec.c
@@ -261,6 +261,9 @@ static void hda_audio_set_amp(HDAAudioStream *st)
left = left * 255 / QEMU_HDA_AMP_STEPS;
right = right * 255 / QEMU_HDA_AMP_STEPS;
+ if (!st->state->mixer) {
+ return;
+ }
if (st->output) {
AUD_set_volume_out(st->voice.out, muted, left, right);
} else {
--
1.8.3.1
