Re: [alsa-devel] HDA: no sound [was: mmotm 2010-10-20-15-01 uploaded]

From: Clemens Ladisch
Date: Fri Oct 22 2010 - 07:30:26 EST


Jiri Slaby wrote:
> On 10/21/2010 10:05 AM, Takashi Iwai wrote:
> > commit de8c85f7840e5e29629de95f5af24297fb325e0b
> > ALSA: HDA: Sigmatel: work around incorrect master muting
>
> Reverting this one helps.

This one introduced even more wrong volume information on some codecs.
Pleasy try this patch on top:

--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -32,6 +32,7 @@
#include <sound/core.h>
#include <sound/asoundef.h>
#include <sound/jack.h>
+#include <sound/tlv.h>
#include "hda_codec.h"
#include "hda_local.h"
#include "hda_beep.h"
@@ -1145,7 +1146,7 @@ static int stac92xx_build_controls(struct hda_codec *codec)
/* correct volume offset */
vmaster_tlv[2] += vmaster_tlv[3] * spec->volume_offset;
/* minimum value is actually mute */
- vmaster_tlv[3] |= 0x1000;
+ vmaster_tlv[3] |= TLV_DB_SCALE_MUTE;
err = snd_hda_add_vmaster(codec, "Master Playback Volume",
vmaster_tlv, slave_vols);
if (err < 0)

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