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ALSA: hda - Add output jack mode enum controls

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Add the enum controls for changing the headphone amp bits of output
jacks, such as "Headphone Jack Mode".  This feature isn't enabled as
default, so far, unless spec->add_out_jack_modes flag is set.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-01-10 16:57:58 +01:00
parent a365fed980
commit 978e77e78c
2 changed files with 111 additions and 0 deletions
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110
sound/pci/hda/hda_generic.c
View File

@ -1959,6 +1959,101 @@ static int create_shared_input(struct hda_codec *codec)
return 0;
}
/*
* output jack mode
*/
static int out_jack_mode_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[] = {
"Line Out", "Headphone Out",
};
return snd_hda_enum_helper_info(kcontrol, uinfo, 2, texts);
}
static int out_jack_mode_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
hda_nid_t nid = kcontrol->private_value;
if (snd_hda_codec_get_pin_target(codec, nid) == PIN_HP)
ucontrol->value.enumerated.item[0] = 1;
else
ucontrol->value.enumerated.item[0] = 0;
return 0;
}
static int out_jack_mode_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
hda_nid_t nid = kcontrol->private_value;
unsigned int val;
val = ucontrol->value.enumerated.item[0] ? PIN_HP : PIN_OUT;
if (snd_hda_codec_get_pin_target(codec, nid) == val)
return 0;
snd_hda_set_pin_ctl_cache(codec, nid, val);
return 1;
}
static const struct snd_kcontrol_new out_jack_mode_enum = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = out_jack_mode_info,
.get = out_jack_mode_get,
.put = out_jack_mode_put,
};
static bool find_kctl_name(struct hda_codec *codec, const char *name, int idx)
{
struct hda_gen_spec *spec = codec->spec;
int i;
for (i = 0; i < spec->kctls.used; i++) {
struct snd_kcontrol_new *kctl = snd_array_elem(&spec->kctls, i);
if (!strcmp(kctl->name, name) && kctl->index == idx)
return true;
}
return false;
}
static void get_jack_mode_name(struct hda_codec *codec, hda_nid_t pin,
char *name, size_t name_len)
{
struct hda_gen_spec *spec = codec->spec;
int idx = 0;
snd_hda_get_pin_label(codec, pin, &spec->autocfg, name, name_len, &idx);
strlcat(name, " Jack Mode", name_len);
for (; find_kctl_name(codec, name, idx); idx++)
;
}
static int create_out_jack_modes(struct hda_codec *codec, int num_pins,
hda_nid_t *pins)
{
struct hda_gen_spec *spec = codec->spec;
int i;
for (i = 0; i < num_pins; i++) {
hda_nid_t pin = pins[i];
unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
if ((pincap & AC_PINCAP_OUT) && (pincap & AC_PINCAP_HP_DRV)) {
struct snd_kcontrol_new *knew;
char name[44];
get_jack_mode_name(codec, pin, name, sizeof(name));
knew = snd_hda_gen_add_kctl(spec, name,
&out_jack_mode_enum);
if (!knew)
return -ENOMEM;
knew->private_value = pin;
}
}
return 0;
}
/*
* Parse input paths
@ -3298,6 +3393,21 @@ int snd_hda_gen_parse_auto_config(struct hda_codec *codec,
if (err < 0)
return err;
if (spec->add_out_jack_modes) {
if (cfg->line_out_type != AUTO_PIN_SPEAKER_OUT) {
err = create_out_jack_modes(codec, cfg->line_outs,
cfg->line_out_pins);
if (err < 0)
return err;
}
if (cfg->line_out_type != AUTO_PIN_HP_OUT) {
err = create_out_jack_modes(codec, cfg->hp_outs,
cfg->hp_pins);
if (err < 0)
return err;
}
}
dig_only:
parse_digital(codec);

1
sound/pci/hda/hda_generic.h
View File

@ -191,6 +191,7 @@ struct hda_gen_spec {
unsigned int indep_hp:1; /* independent HP supported */
unsigned int indep_hp_enabled:1; /* independent HP enabled */
unsigned int add_stereo_mix_input:1; /* add aamix as a capture src */
unsigned int add_out_jack_modes:1; /* add output jack mode enum ctls */
/* loopback mixing mode */
bool aamix_mode;