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Commit 5c9887e0 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Parse more deep input-source routes in Conexant auto-parser 



Handle not only a single-depth input-route but two-level depth routes
(PIN->MUX->ADC), too.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f6100bb4

sound/pci/hda/patch_conexant.c

+52 −21
Original line number Diff line number Diff line
@@ -3276,15 +3276,6 @@ static int get_connection_index(struct hda_codec *codec, hda_nid_t mux, 
	return -1;

}



static int has_multi_connection(struct hda_codec *codec, hda_nid_t mux)

{

	hda_nid_t conn[HDA_MAX_NUM_INPUTS];

	int nums;



	nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));

	return nums > 1;

}



/* get an unassigned DAC from the given list.

 * Return the nid if found and reduce the DAC list, or return zero if

 * not found
@@ -3455,6 +3446,51 @@ static int cx_auto_mux_enum_get(struct snd_kcontrol *kcontrol, 
	return 0;

}



/* look for the route the given pin from mux and return the index;

 * if do_select is set, actually select the route.

 */

static int __select_input_connection(struct hda_codec *codec, hda_nid_t mux,

				     hda_nid_t pin, bool do_select, int depth)

{

	hda_nid_t conn[HDA_MAX_NUM_INPUTS];

	int i, nums;



	nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));

	for (i = 0; i < nums; i++)

		if (conn[i] == pin) {

			if (do_select)

				snd_hda_codec_write(codec, mux, 0,

						    AC_VERB_SET_CONNECT_SEL, i);

			return i;

		}

	depth++;

	if (depth == 2)

		return -1;

	for (i = 0; i < nums; i++) {

		int ret  = __select_input_connection(codec, conn[i], pin,

						     do_select, depth);

		if (ret >= 0) {

			if (do_select)

				snd_hda_codec_write(codec, mux, 0,

						    AC_VERB_SET_CONNECT_SEL, i);

			return ret;

		}

	}

	return -1;

}



static void select_input_connection(struct hda_codec *codec, hda_nid_t mux,

				   hda_nid_t pin)

{

	__select_input_connection(codec, mux, pin, true, 0);

}



static int get_input_connection(struct hda_codec *codec, hda_nid_t mux,

				hda_nid_t pin)

{

	return __select_input_connection(codec, mux, pin, false, 0);

}



static int cx_auto_mux_enum_update(struct hda_codec *codec,

				   const struct hda_input_mux *imux,

				   unsigned int idx)
@@ -3469,10 +3505,8 @@ static int cx_auto_mux_enum_update(struct hda_codec *codec, 
	if (spec->cur_mux[0] == idx)

		return 0;

	adc = spec->imux_adcs[idx];

	if (has_multi_connection(codec, adc))

		snd_hda_codec_write(codec, adc, 0,

				    AC_VERB_SET_CONNECT_SEL,

				    imux->items[idx].index);

	select_input_connection(codec, spec->imux_adcs[idx],

				spec->imux_pins[idx]);

	if (spec->cur_adc && spec->cur_adc != adc) {

		/* stream is running, let's swap the current ADC */

		__snd_hda_codec_cleanup_stream(codec, spec->cur_adc, 1);
@@ -3584,7 +3618,7 @@ static void cx_auto_parse_input(struct hda_codec *codec) 
	for (i = 0; i < cfg->num_inputs; i++) {

		for (j = 0; j < spec->num_adc_nids; j++) {

			hda_nid_t adc = spec->adc_nids[j];

			int idx = get_connection_index(codec, adc,

			int idx = get_input_connection(codec, adc,

						       cfg->inputs[i].pin);

			if (idx >= 0) {

				const char *label;
@@ -3791,11 +3825,8 @@ static void cx_auto_init_input(struct hda_codec *codec) 
				    AC_USRSP_EN | CONEXANT_MIC_EVENT);

		cx_auto_automic(codec);

	} else {

		for (i = 0; i < spec->num_adc_nids; i++) {

			snd_hda_codec_write(codec, spec->adc_nids[i], 0,

					    AC_VERB_SET_CONNECT_SEL,

					    spec->private_imux.items[0].index);

		}

		select_input_connection(codec, spec->imux_adcs[0],

					spec->imux_pins[0]);

	}

}
@@ -3924,7 +3955,7 @@ static int cx_auto_add_capture_volume(struct hda_codec *codec, hda_nid_t nid, 


	for (i = 0; i < spec->num_adc_nids; i++) {

		hda_nid_t adc_nid = spec->adc_nids[i];

		int idx = get_connection_index(codec, adc_nid, nid);

		int idx = get_input_connection(codec, adc_nid, nid);

		if (idx < 0)

			continue;

		return cx_auto_add_volume_idx(codec, label, pfx,