In BootDmesg;
[ 41.676526] ALSA hda_codec.c:2154: Cannot find slave Headphone Playback
Volume, skipped
[ 41.676529] ALSA hda_codec.c:2154: Cannot find slave Speaker Playback
Volume, skipped
[ 41.676532] ALSA hda_codec.c:2154: Cannot find slave Mono Playback Volume,
skipped
[ 41.676535] ALSA hda_codec.c:2154: Cannot find slave Line-Out Playback
Volume, skipped
[ 41.676538] ALSA hda_codec.c:2154: Cannot find slave PCM Playback Volume,
skipped
[ 41.676550] ALSA hda_codec.c:2154: Cannot find slave Speaker Playback
Switch, skipped
[ 41.676553] ALSA hda_codec.c:2154: Cannot find slave Mono Playback Switch,
skipped
[ 41.676558] ALSA hda_codec.c:2154: Cannot find slave Line-Out Playback
Switch, skipped
[ 41.676561] ALSA hda_codec.c:2154: Cannot find slave PCM Playback Switch,
skipped
from hda_codec.c
/* create a virtual master control and add slaves */
int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
unsigned int *tlv, const char **slaves)
{
struct snd_kcontrol *kctl;
const char **s;
int err;
for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
;
if (!*s) {
snd_printdd("No slave found for %s\n", name);
return 0;
}
kctl = snd_ctl_make_virtual_master(name, tlv);
if (!kctl)
return -ENOMEM;
err = snd_hda_ctl_add(codec, kctl);
if (err < 0)
return err;
for (s = slaves; *s; s++) {
struct snd_kcontrol *sctl;
int i = 0;
for (;;) {
sctl = _snd_hda_find_mixer_ctl(codec, *s, i);
if (!sctl) {
if (!i)
snd_printdd("Cannot find slave %s, "
"skipped\n", *s);
break;
}
err = snd_ctl_add_slave(kctl, sctl);
if (err < 0)
return err;
i++;
}
}
return 0;
}
--
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https://bugs.launchpad.net/bugs/685108
Title:
[HDA-Intel - HDA Intel] ALSA test tone not correctly played back
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