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Commit 24de183e authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarTakashi Iwai <tiwai@suse.de>
parent 82e14a47

sound/pci/hda/patch_realtek.c

+64 −1
Original line number Diff line number Diff line
@@ -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];
@@ -547,6 +563,7 @@ 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

	 */

	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);
@@ -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);