diff options
| author |   Takashi Iwai <tiwai@suse.de> | 2017-04-10 17:37:34 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-04-10 17:45:27 +0200 |
| commit | 7480316c265c9fcdbf73b1b8dec061b893b7e987 (patch) | |
| tree | 69b0bdc29afba6b441eaa9fa1656e6ceead36a35 | |
| parent | ALSA: hda - A new flag to enforce prefix to each pin (diff) | |
| download | linux-dev-7480316c265c9fcdbf73b1b8dec061b893b7e987.tar.xz linux-dev-7480316c265c9fcdbf73b1b8dec061b893b7e987.zip | |
ALSA: hda - Allow to enable/disable vmaster build explicitly
Another preliminary patch for the dual-codec support: since the
support of vmaster over multiple codecs is difficult, simply disable
it by a new flag to hda_codec struct. A new user hint is added as
well for consistency.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | Documentation/sound/hd-audio/notes.rst | 2 | ||||
| -rw-r--r-- | sound/pci/hda/hda_generic.c | 7 | ||||
| -rw-r--r-- | sound/pci/hda/hda_generic.h | 1 |
3 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/sound/hd-audio/notes.rst b/Documentation/sound/hd-audio/notes.rst index 9eeb9b468706..f59c3cdbfaf4 100644 --- a/Documentation/sound/hd-audio/notes.rst +++ b/Documentation/sound/hd-audio/notes.rst @@ -494,6 +494,8 @@ add_hp_mic (bool) hp_mic_detect (bool) enable/disable the hp/mic shared input for a single built-in mic case; default true +vmaster (bool) + enable/disable the virtual Master control; default true mixer_nid (int) specifies the widget NID of the analog-loopback mixer diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 443832870a44..2842c82363c0 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -196,6 +196,9 @@ static void parse_user_hints(struct hda_codec *codec) val = snd_hda_get_bool_hint(codec, "hp_mic_detect"); if (val >= 0) spec->suppress_hp_mic_detect = !val; + val = snd_hda_get_bool_hint(codec, "vmaster"); + if (val >= 0) + spec->suppress_vmaster = !val; if (!snd_hda_get_int_hint(codec, "mixer_nid", &val)) spec->mixer_nid = val; @@ -5033,7 +5036,7 @@ int snd_hda_gen_build_controls(struct hda_codec *codec) } /* if we have no master control, let's create it */ - if (!spec->no_analog && + if (!spec->no_analog && !spec->suppress_vmaster && !snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) { err = snd_hda_add_vmaster(codec, "Master Playback Volume", spec->vmaster_tlv, slave_pfxs, @@ -5041,7 +5044,7 @@ int snd_hda_gen_build_controls(struct hda_codec *codec) if (err < 0) return err; } - if (!spec->no_analog && + if (!spec->no_analog && !spec->suppress_vmaster && !snd_hda_find_mixer_ctl(codec, "Master Playback Switch")) { err = __snd_hda_add_vmaster(codec, "Master Playback Switch", NULL, slave_pfxs, diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index f66fc7e25e07..61772317de46 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -229,6 +229,7 @@ struct hda_gen_spec { unsigned int add_jack_modes:1; /* add i/o jack mode enum ctls */ unsigned int power_down_unused:1; /* power down unused widgets */ unsigned int dac_min_mute:1; /* minimal = mute for DACs */ + unsigned int suppress_vmaster:1; /* don't create vmaster kctls */ /* other internal flags */ unsigned int no_analog:1; /* digital I/O only */ |