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ALSA: hda/realtek - Add the support of shared HP/Mic 

A machine like Q1-ultra which has only a single HP but no mic-jack, we
can re-task the headhpone as an external mic jack.  This was done formerly
in ALC262 model=ultra quirk, and now the auto-parser supports this mode.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2011-11-07 17:13:39 +01:00
parent 82e14a4754
commit 24de183ed0
1 changed files with 64 additions and 1 deletions
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65
sound/pci/hda/patch_realtek.c
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@ -183,6 +183,7 @@ struct alc_spec {
unsigned int single_input_src:1;
unsigned int vol_in_capsrc:1; /* use capsrc volume (ADC has no vol) */
unsigned int parse_flags; /* passed to snd_hda_parse_pin_defcfg() */
unsigned int shared_mic_hp:1; /* HP/Mic-in sharing */
/* auto-mute control */
int automute_mode;
@ -277,6 +278,8 @@ static bool alc_dyn_adc_pcm_resetup(struct hda_codec *codec, int cur)
return false;
}
static void call_update_outputs(struct hda_codec *codec);
/* select the given imux item; either unmute exclusively or select the route */
static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
unsigned int idx, bool force)
@ -298,6 +301,19 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
return 0;
spec->cur_mux[adc_idx] = idx;
/* for shared I/O, change the pin-control accordingly */
if (spec->shared_mic_hp) {
/* NOTE: this assumes that there are only two inputs, the
* first is the real internal mic and the second is HP jack.
*/
snd_hda_codec_write(codec, spec->autocfg.inputs[1].pin, 0,
AC_VERB_SET_PIN_WIDGET_CONTROL,
spec->cur_mux[adc_idx] ?
PIN_VREF80 : PIN_HP);
spec->automute_speaker = !spec->cur_mux[adc_idx];
call_update_outputs(codec);
}
if (spec->dyn_adc_switch) {
alc_dyn_adc_pcm_resetup(codec, idx);
adc_idx = spec->dyn_adc_idx[idx];
@ -547,7 +563,8 @@ static void update_outputs(struct hda_codec *codec)
* in general, HP pins/amps control should be enabled in all cases,
* but currently set only for master_mute, just to be safe
*/
do_automute(codec, ARRAY_SIZE(spec->autocfg.hp_pins),
if (!spec->shared_mic_hp) /* don't change HP-pin when shared with mic */
do_automute(codec, ARRAY_SIZE(spec->autocfg.hp_pins),
spec->autocfg.hp_pins, spec->master_mute, true);
if (!spec->automute_speaker)
@ -1115,6 +1132,9 @@ static void alc_init_auto_mic(struct hda_codec *codec)
hda_nid_t fixed, ext, dock;
int i;
if (spec->shared_mic_hp)
return; /* no auto-mic for the shared I/O */
spec->ext_mic_idx = spec->int_mic_idx = spec->dock_mic_idx = -1;
fixed = ext = dock = 0;
@ -2667,6 +2687,9 @@ static int alc_auto_fill_adc_caps(struct hda_codec *codec)
int max_nums = ARRAY_SIZE(spec->private_adc_nids);
int i, nums = 0;
if (spec->shared_mic_hp)
max_nums = 1; /* no multi streams with the shared HP/mic */
nid = codec->start_nid;
for (i = 0; i < codec->num_nodes; i++, nid++) {
hda_nid_t src;
@ -2729,6 +2752,8 @@ static int alc_auto_create_input_ctls(struct hda_codec *codec)
continue;
label = hda_get_autocfg_input_label(codec, cfg, i);
if (spec->shared_mic_hp && !strcmp(label, "Misc"))
label = "Headphone Mic";
if (prev_label && !strcmp(label, prev_label))
type_idx++;
else
@ -2764,6 +2789,39 @@ static int alc_auto_create_input_ctls(struct hda_codec *codec)
return 0;
}
/* create a shared input with the headphone out */
static int alc_auto_create_shared_input(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
struct auto_pin_cfg *cfg = &spec->autocfg;
unsigned int defcfg;
hda_nid_t nid;
/* only one internal input pin? */
if (cfg->num_inputs != 1)
return 0;
defcfg = snd_hda_codec_get_pincfg(codec, cfg->inputs[0].pin);
if (snd_hda_get_input_pin_attr(defcfg) != INPUT_PIN_ATTR_INT)
return 0;
if (cfg->hp_outs == 1 && cfg->line_out_type == AUTO_PIN_SPEAKER_OUT)
nid = cfg->hp_pins[0]; /* OK, we have a single HP-out */
else if (cfg->line_outs == 1 && cfg->line_out_type == AUTO_PIN_HP_OUT)
nid = cfg->line_out_pins[0]; /* OK, we have a single line-out */
else
return 0; /* both not available */
if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_IN))
return 0; /* no input */
cfg->inputs[1].pin = nid;
cfg->inputs[1].type = AUTO_PIN_MIC;
cfg->num_inputs = 2;
spec->shared_mic_hp = 1;
snd_printdd("realtek: Enable shared I/O jack on NID 0x%x\n", nid);
return 0;
}
static void alc_set_pin_output(struct hda_codec *codec, hda_nid_t nid,
unsigned int pin_type)
{
@ -3654,6 +3712,8 @@ static int alc_auto_add_mic_boost(struct hda_codec *codec)
char boost_label[32];
label = hda_get_autocfg_input_label(codec, cfg, i);
if (spec->shared_mic_hp && !strcmp(label, "Misc"))
label = "Headphone Mic";
if (prev_label && !strcmp(label, prev_label))
type_idx++;
else
@ -3857,6 +3917,9 @@ static int alc_parse_auto_config(struct hda_codec *codec,
if (err < 0)
return err;
err = alc_auto_create_speaker_out(codec);
if (err < 0)
return err;
err = alc_auto_create_shared_input(codec);
if (err < 0)
return err;
err = alc_auto_create_input_ctls(codec);