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hda-audio: fix non-mixer codecs
author
Gerd Hoffmann
<kraxel@redhat.com>
Thu, 17 Apr 2014 10:43:26 +0000
(12:43 +0200)
committer
Gerd Hoffmann
<kraxel@redhat.com>
Tue, 29 Apr 2014 08:46:29 +0000
(10:46 +0200)
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 <kraxel@redhat.com>
hw/audio/hda-codec.c
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diff --git
a/hw/audio/hda-codec.c
b/hw/audio/hda-codec.c
index
a67ca91
..
48c6ead
100644
(file)
--- 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 {