the patch was made for stac9200 and stac9205 and only tested by reporter
with those two codecs
it is a regression of the driver which applied to all sigmatel codecs
static struct snd_kcontrol_new stac9200_mixer[] = {
- HDA_CODEC_VOLUME("Master Playback Volume", 0xb, 0, HDA_OUTPUT),
+ HDA_CODEC_VOLUME_MIN_MUTE("Master Playback Volume", 0xb, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Master Playback Switch", 0xb, 0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x0a, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Capture Switch", 0x0a, 0, HDA_OUTPUT),
@@ -1020,7 +1020,7 @@ static struct snd_kcontrol_new stac92hd71bxx_loopback[] =
{
};
static struct snd_kcontrol_new stac925x_mixer[] = {
- HDA_CODEC_VOLUME("Master Playback Volume", 0x0e, 0, HDA_OUTPUT),
+ HDA_CODEC_VOLUME_MIN_MUTE("Master Playback Volume", 0xe, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Master Playback Switch", 0x0e, 0, HDA_OUTPUT),
{ } /* end */
};
@@ -1144,6 +1144,8 @@ static int stac92xx_build_controls(struct hda_codec
*codec)
HDA_OUTPUT, vmaster_tlv);
/* correct volume offset */
vmaster_tlv[2] += vmaster_tlv[3] * spec->volume_offset;
+ /* minimum value is actually mute */
+ vmaster_tlv[3] |= 0x1000;
err = snd_hda_add_vmaster(codec, "Master Playback Volume",
vmaster_tlv, slave_vols);
if (err < 0)
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1357928
Title:
[HDA-Intel - HDA Intel MID, playback] volume slider problem - Slide to
bottom and sound stays off even when slider moved up again
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1357928/+subscriptions
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