ALSA: hda - Parse ADCs and CAPSRCs dynamically for Realtek auto-parser (d6cc9fab) · Commits · e / devices / android_kernel_fairphone_FP4

sound/pci/hda/patch_realtek.c

+131 −192

Original line number	Diff line number	Diff line
		@@ -405,6 +405,7 @@ struct alc_spec {
		unsigned int no_analog :1; /* digital I/O only */
		unsigned int dual_adc_switch:1; /* switch ADCs (for ALC275) */
		unsigned int single_input_src:1;
		unsigned int vol_in_capsrc:1; /* use capsrc volume (ADC has no vol) */

		/* auto-mute control */
		int automute_mode;
		@@ -2677,11 +2678,15 @@ static int alc_cap_vol_info(struct snd_kcontrol *kcontrol,
		{
		struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
		struct alc_spec *spec = codec->spec;
		unsigned long val;
		int err;

		mutex_lock(&codec->control_mutex);
		kcontrol->private_value = HDA_COMPOSE_AMP_VAL(spec->adc_nids[0], 3, 0,
		HDA_INPUT);
		if (spec->vol_in_capsrc)
		val = HDA_COMPOSE_AMP_VAL(spec->capsrc_nids[0], 3, 0, HDA_OUTPUT);
		else
		val = HDA_COMPOSE_AMP_VAL(spec->adc_nids[0], 3, 0, HDA_INPUT);
		kcontrol->private_value = val;
		err = snd_hda_mixer_amp_volume_info(kcontrol, uinfo);
		mutex_unlock(&codec->control_mutex);
		return err;
		@@ -2692,11 +2697,15 @@ static int alc_cap_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
		{
		struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
		struct alc_spec *spec = codec->spec;
		unsigned long val;
		int err;

		mutex_lock(&codec->control_mutex);
		kcontrol->private_value = HDA_COMPOSE_AMP_VAL(spec->adc_nids[0], 3, 0,
		HDA_INPUT);
		if (spec->vol_in_capsrc)
		val = HDA_COMPOSE_AMP_VAL(spec->capsrc_nids[0], 3, 0, HDA_OUTPUT);
		else
		val = HDA_COMPOSE_AMP_VAL(spec->adc_nids[0], 3, 0, HDA_INPUT);
		kcontrol->private_value = val;
		err = snd_hda_mixer_amp_tlv(kcontrol, op_flag, size, tlv);
		mutex_unlock(&codec->control_mutex);
		return err;
		@@ -2725,8 +2734,13 @@ static int alc_cap_getput_caller(struct snd_kcontrol *kcontrol,
		}
		} else {
		i = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
		if (spec->vol_in_capsrc)
		kcontrol->private_value =
		HDA_COMPOSE_AMP_VAL(spec->adc_nids[i],
		HDA_COMPOSE_AMP_VAL(spec->capsrc_nids[i],
		3, 0, HDA_OUTPUT);
		else
		kcontrol->private_value =
		val = HDA_COMPOSE_AMP_VAL(spec->adc_nids[i],
		3, 0, HDA_INPUT);
		err = func(kcontrol, ucontrol);
		}
		@@ -5381,10 +5395,14 @@ static int alc_is_input_pin(struct hda_codec *codec, hda_nid_t nid)
		return (pincap & AC_PINCAP_IN) != 0;
		}

		static int alc_auto_fill_adc_caps(struct hda_codec codec, hda_nid_t adc_nids,
		hda_nid_t *cap_nids, int max_nums)
		static int alc_auto_fill_adc_caps(struct hda_codec *codec)
		{
		struct alc_spec *spec = codec->spec;
		hda_nid_t nid;
		hda_nid_t *adc_nids = spec->private_adc_nids;
		hda_nid_t *cap_nids = spec->private_capsrc_nids;
		int max_nums = ARRAY_SIZE(spec->private_adc_nids);
		bool indep_capsrc = false;
		int i, nums = 0;

		nid = codec->start_nid;
		@@ -5406,11 +5424,13 @@ static int alc_auto_fill_adc_caps(struct hda_codec codec, hda_nid_t adc_nids,
		break;
		if (type == AC_WID_AUD_SEL) {
		cap_nids[nums] = src;
		indep_capsrc = true;
		break;
		}
		n = snd_hda_get_conn_list(codec, src, &list);
		if (n > 1) {
		cap_nids[nums] = src;
		indep_capsrc = true;
		break;
		} else if (n != 1)
		break;
		@@ -5419,6 +5439,10 @@ static int alc_auto_fill_adc_caps(struct hda_codec codec, hda_nid_t adc_nids,
		if (++nums >= max_nums)
		break;
		}
		spec->adc_nids = spec->private_adc_nids;
		if (indep_capsrc)
		spec->capsrc_nids = spec->private_capsrc_nids;
		spec->num_adc_nids = nums;
		return nums;
		}

		@@ -5430,11 +5454,10 @@ static int alc_auto_create_input_ctls(struct hda_codec *codec)
		hda_nid_t mixer = spec->mixer_nid;
		struct hda_input_mux *imux = &spec->private_imux[0];
		int num_adcs;
		hda_nid_t caps[5], adcs[5];
		int i, c, err, idx, type_idx = 0;
		const char *prev_label = NULL;

		num_adcs = alc_auto_fill_adc_caps(codec, adcs, caps, ARRAY_SIZE(adcs));
		num_adcs = alc_auto_fill_adc_caps(codec);
		if (num_adcs < 0)
		return 0;

		@@ -5465,7 +5488,9 @@ static int alc_auto_create_input_ctls(struct hda_codec *codec)
		}

		for (c = 0; c < num_adcs; c++) {
		idx = get_connection_index(codec, caps[c], pin);
		hda_nid_t cap = spec->capsrc_nids ?
		spec->capsrc_nids[c] : spec->adc_nids[c];
		idx = get_connection_index(codec, cap, pin);
		if (idx >= 0) {
		snd_hda_add_imux_item(imux, label, idx, NULL);
		break;
		@@ -5552,6 +5577,7 @@ static void alc880_auto_init_input_src(struct hda_codec *codec)

		static int alc_auto_add_multi_channel_mode(struct hda_codec *codec,
		int (fill_dac)(struct hda_codec ));
		static void alc_remove_invalid_adc_nids(struct hda_codec *codec);

		/* parse the BIOS configuration and set up the alc_spec */
		/* return 1 if successful, 0 if the proper config is not found,
		@@ -5599,6 +5625,9 @@ static int alc880_parse_auto_config(struct hda_codec *codec)
		spec->num_mux_defs = 1;
		spec->input_mux = &spec->private_imux[0];

		if (!spec->dual_adc_switch)
		alc_remove_invalid_adc_nids(codec);

		alc_ssid_check(codec, 0x15, 0x1b, 0x14, 0);

		return 1;
		@@ -5742,9 +5771,21 @@ static void set_capture_mixer(struct hda_codec *codec)
		alc_capture_mixer2,
		alc_capture_mixer3 },
		};
		if (spec->num_adc_nids > 0 && spec->num_adc_nids <= 3) {

		/* check whether either of ADC or MUX has a volume control */
		if (!(query_amp_caps(codec, spec->adc_nids[0], HDA_INPUT) &
		AC_AMPCAP_NUM_STEPS)) {
		if (!spec->capsrc_nids)
		return; /* no volume */
		if (!(query_amp_caps(codec, spec->capsrc_nids[0], HDA_OUTPUT) &
		AC_AMPCAP_NUM_STEPS))
		return; /* no volume in capsrc, too */
		spec->vol_in_capsrc = 1;
		}

		if (spec->num_adc_nids > 0) {
		int mux = 0;
		int num_adcs = spec->num_adc_nids;
		int num_adcs = 0;
		if (spec->dual_adc_switch)
		num_adcs = 1;
		else if (spec->auto_mic)
		@@ -5755,70 +5796,52 @@ static void set_capture_mixer(struct hda_codec *codec)
		else if (spec->input_mux->num_items == 1)
		fixup_single_adc(codec);
		}
		if (!num_adcs) {
		if (spec->num_adc_nids > 3)
		spec->num_adc_nids = 3;
		else if (!spec->num_adc_nids)
		return;
		num_adcs = spec->num_adc_nids;
		}
		spec->cap_mixer = caps[mux][num_adcs - 1];
		}
		}

		/* fill adc_nids (and capsrc_nids) containing all active input pins */
		static void fillup_priv_adc_nids(struct hda_codec codec, const hda_nid_t nids,
		int num_nids)
		/* filter out invalid adc_nids (and capsrc_nids) that don't give all
		* active input pins
		*/
		static void alc_remove_invalid_adc_nids(struct hda_codec *codec)
		{
		struct alc_spec *spec = codec->spec;
		struct auto_pin_cfg *cfg = &spec->autocfg;
		int n;
		hda_nid_t fallback_adc = 0, fallback_cap = 0;
		hda_nid_t adc_nids[ARRAY_SIZE(spec->private_adc_nids)];
		hda_nid_t capsrc_nids[ARRAY_SIZE(spec->private_adc_nids)];
		int i, n, nums;

		for (n = 0; n < num_nids; n++) {
		hda_nid_t adc, cap;
		hda_nid_t conn[HDA_MAX_NUM_INPUTS];
		int nconns, i, j;

		adc = nids[n];
		if (get_wcaps_type(get_wcaps(codec, adc)) != AC_WID_AUD_IN)
		continue;
		cap = adc;
		nconns = snd_hda_get_connections(codec, cap, conn,
		ARRAY_SIZE(conn));
		if (nconns == 1) {
		cap = conn[0];
		nconns = snd_hda_get_connections(codec, cap, conn,
		ARRAY_SIZE(conn));
		}
		if (nconns <= 0)
		continue;
		if (!fallback_adc) {
		fallback_adc = adc;
		fallback_cap = cap;
		}
		nums = 0;
		for (n = 0; n < spec->num_adc_nids; n++) {
		hda_nid_t cap = spec->private_capsrc_nids[n];
		for (i = 0; i < cfg->num_inputs; i++) {
		hda_nid_t nid = cfg->inputs[i].pin;
		for (j = 0; j < nconns; j++) {
		if (conn[j] == nid)
		break;
		}
		if (j >= nconns)
		hda_nid_t pin = cfg->inputs[i].pin;
		if (get_connection_index(codec, cap, pin) < 0)
		break;
		}
		if (i >= cfg->num_inputs) {
		int num_adcs = spec->num_adc_nids;
		spec->private_adc_nids[num_adcs] = adc;
		spec->private_capsrc_nids[num_adcs] = cap;
		spec->num_adc_nids++;
		spec->adc_nids = spec->private_adc_nids;
		if (adc != cap)
		spec->capsrc_nids = spec->private_capsrc_nids;
		adc_nids[nums] = spec->private_adc_nids[n];
		capsrc_nids[nums++] = cap;
		}
		}
		if (!spec->num_adc_nids) {
		if (!nums) {
		printk(KERN_WARNING "hda_codec: %s: no valid ADC found;"
		" using fallback 0x%x\n",
		codec->chip_name, fallback_adc);
		spec->private_adc_nids[0] = fallback_adc;
		spec->adc_nids = spec->private_adc_nids;
		if (fallback_adc != fallback_cap) {
		spec->private_capsrc_nids[0] = fallback_cap;
		spec->capsrc_nids = spec->private_adc_nids;
		}
		codec->chip_name, spec->private_adc_nids[0]);
		spec->num_adc_nids = 1;
		} else if (nums != spec->num_adc_nids) {
		memcpy(spec->private_adc_nids, adc_nids,
		nums * sizeof(hda_nid_t));
		memcpy(spec->private_capsrc_nids, capsrc_nids,
		nums * sizeof(hda_nid_t));
		spec->num_adc_nids = nums;
		}
		}

		@@ -5907,17 +5930,8 @@ static int patch_alc880(struct hda_codec *codec)
		spec->stream_digital_capture = &alc880_pcm_digital_capture;

		if (!spec->adc_nids && spec->input_mux) {
		/* check whether NID 0x07 is valid */
		unsigned int wcap = get_wcaps(codec, alc880_adc_nids[0]);
		/* get type */
		wcap = get_wcaps_type(wcap);
		if (wcap != AC_WID_AUD_IN) {
		spec->adc_nids = alc880_adc_nids_alt;
		spec->num_adc_nids = ARRAY_SIZE(alc880_adc_nids_alt);
		} else {
		spec->adc_nids = alc880_adc_nids;
		spec->num_adc_nids = ARRAY_SIZE(alc880_adc_nids);
		}
		alc_auto_fill_adc_caps(codec);
		alc_remove_invalid_adc_nids(codec);
		}
		set_capture_mixer(codec);
		set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT);
		@@ -7173,6 +7187,9 @@ static int alc260_parse_auto_config(struct hda_codec *codec)
		spec->num_mux_defs = 1;
		spec->input_mux = &spec->private_imux[0];

		if (!spec->dual_adc_switch)
		alc_remove_invalid_adc_nids(codec);

		alc_ssid_check(codec, 0x10, 0x15, 0x0f, 0);

		return 1;
		@@ -7463,17 +7480,8 @@ static int patch_alc260(struct hda_codec *codec)
		spec->stream_digital_capture = &alc260_pcm_digital_capture;

		if (!spec->adc_nids && spec->input_mux) {
		/* check whether NID 0x04 is valid */
		unsigned int wcap = get_wcaps(codec, 0x04);
		wcap = get_wcaps_type(wcap);
		/* get type */
		if (wcap != AC_WID_AUD_IN \|\| spec->input_mux->num_items == 1) {
		spec->adc_nids = alc260_adc_nids_alt;
		spec->num_adc_nids = ARRAY_SIZE(alc260_adc_nids_alt);
		} else {
		spec->adc_nids = alc260_adc_nids;
		spec->num_adc_nids = ARRAY_SIZE(alc260_adc_nids);
		}
		alc_auto_fill_adc_caps(codec);
		alc_remove_invalid_adc_nids(codec);
		}
		set_capture_mixer(codec);
		set_beep_amp(spec, 0x07, 0x05, HDA_INPUT);
		@@ -10947,6 +10955,9 @@ static int alc882_parse_auto_config(struct hda_codec *codec)
		spec->num_mux_defs = 1;
		spec->input_mux = &spec->private_imux[0];

		if (!spec->dual_adc_switch)
		alc_remove_invalid_adc_nids(codec);

		alc_ssid_check(codec, 0x15, 0x1b, 0x14, 0);

		err = alc_auto_add_mic_boost(codec);
		@@ -11048,34 +11059,8 @@ static int patch_alc882(struct hda_codec *codec)
		spec->stream_digital_capture = &alc882_pcm_digital_capture;

		if (!spec->adc_nids && spec->input_mux) {
		int i, j;
		spec->num_adc_nids = 0;
		for (i = 0; i < ARRAY_SIZE(alc882_adc_nids); i++) {
		const struct hda_input_mux *imux = spec->input_mux;
		hda_nid_t cap;
		hda_nid_t nid = alc882_adc_nids[i];
		unsigned int wcap = get_wcaps(codec, nid);
		/* get type */
		wcap = get_wcaps_type(wcap);
		if (wcap != AC_WID_AUD_IN)
		continue;
		spec->private_adc_nids[spec->num_adc_nids] = nid;
		err = snd_hda_get_connections(codec, nid, &cap, 1);
		if (err < 0)
		continue;
		err = snd_hda_get_conn_list(codec, cap, NULL);
		if (err < 0)
		continue;
		for (j = 0; j < imux->num_items; j++)
		if (imux->items[j].index >= err)
		break;
		if (j < imux->num_items)
		continue;
		spec->private_capsrc_nids[spec->num_adc_nids] = cap;
		spec->num_adc_nids++;
		}
		spec->adc_nids = spec->private_adc_nids;
		spec->capsrc_nids = spec->private_capsrc_nids;
		alc_auto_fill_adc_caps(codec);
		alc_remove_invalid_adc_nids(codec);
		}

		set_capture_mixer(codec);
		@@ -12308,6 +12293,9 @@ static int alc262_parse_auto_config(struct hda_codec *codec)
		spec->num_mux_defs = 1;
		spec->input_mux = &spec->private_imux[0];

		if (!spec->dual_adc_switch)
		alc_remove_invalid_adc_nids(codec);

		err = alc_auto_add_mic_boost(codec);
		if (err < 0)
		return err;
		@@ -12727,36 +12715,8 @@ static int patch_alc262(struct hda_codec *codec)
		spec->stream_digital_capture = &alc262_pcm_digital_capture;

		if (!spec->adc_nids && spec->input_mux) {
		int i;
		/* check whether the digital-mic has to be supported */
		for (i = 0; i < spec->input_mux->num_items; i++) {
		if (spec->input_mux->items[i].index >= 9)
		break;
		}
		if (i < spec->input_mux->num_items) {
		/* use only ADC0 */
		spec->adc_nids = alc262_dmic_adc_nids;
		spec->num_adc_nids = 1;
		spec->capsrc_nids = alc262_dmic_capsrc_nids;
		} else {
		/* all analog inputs */
		/* check whether NID 0x07 is valid */
		unsigned int wcap = get_wcaps(codec, 0x07);

		/* get type */
		wcap = get_wcaps_type(wcap);
		if (wcap != AC_WID_AUD_IN) {
		spec->adc_nids = alc262_adc_nids_alt;
		spec->num_adc_nids =
		ARRAY_SIZE(alc262_adc_nids_alt);
		spec->capsrc_nids = alc262_capsrc_nids_alt;
		} else {
		spec->adc_nids = alc262_adc_nids;
		spec->num_adc_nids =
		ARRAY_SIZE(alc262_adc_nids);
		spec->capsrc_nids = alc262_capsrc_nids;
		}
		}
		alc_auto_fill_adc_caps(codec);
		alc_remove_invalid_adc_nids(codec);
		}
		if (!spec->cap_mixer && !spec->no_analog)
		set_capture_mixer(codec);
		@@ -13462,6 +13422,9 @@ static int alc268_parse_auto_config(struct hda_codec *codec)
		spec->num_mux_defs = 2;
		spec->input_mux = &spec->private_imux[0];

		if (!spec->dual_adc_switch)
		alc_remove_invalid_adc_nids(codec);

		err = alc_auto_add_mic_boost(codec);
		if (err < 0)
		return err;
		@@ -13773,29 +13736,13 @@ static int patch_alc268(struct hda_codec *codec)
		}

		if (!spec->no_analog && !spec->adc_nids && spec->input_mux) {
		/* check whether NID 0x07 is valid */
		unsigned int wcap = get_wcaps(codec, 0x07);

		spec->capsrc_nids = alc268_capsrc_nids;
		/* get type */
		wcap = get_wcaps_type(wcap);
		if (spec->auto_mic \|\|
		wcap != AC_WID_AUD_IN \|\| spec->input_mux->num_items == 1) {
		spec->adc_nids = alc268_adc_nids_alt;
		spec->num_adc_nids = ARRAY_SIZE(alc268_adc_nids_alt);
		if (spec->auto_mic)
		fixup_automic_adc(codec);
		if (spec->auto_mic \|\| spec->input_mux->num_items == 1)
		add_mixer(spec, alc268_capture_nosrc_mixer);
		else
		add_mixer(spec, alc268_capture_alt_mixer);
		} else {
		spec->adc_nids = alc268_adc_nids;
		spec->num_adc_nids = ARRAY_SIZE(alc268_adc_nids);
		add_mixer(spec, alc268_capture_mixer);
		}
		alc_auto_fill_adc_caps(codec);
		alc_remove_invalid_adc_nids(codec);
		}

		if (!spec->cap_mixer && !spec->no_analog)
		set_capture_mixer(codec);

		spec->vmaster_nid = 0x02;

		codec->patch_ops = alc_patch_ops;
		@@ -13833,10 +13780,6 @@ static const hda_nid_t alc269vb_capsrc_nids[1] = {
		0x22,
		};

		static const hda_nid_t alc269_adc_candidates[] = {
		0x08, 0x09, 0x07, 0x11,
		};

		#define alc269_modes alc260_modes
		#define alc269_capture_source alc880_lg_lw_capture_source

		@@ -14422,9 +14365,9 @@ static int alc269_parse_auto_config(struct hda_codec *codec)
		spec->num_mux_defs = 1;
		spec->input_mux = &spec->private_imux[0];

		if (!alc275_setup_dual_adc(codec))
		fillup_priv_adc_nids(codec, alc269_adc_candidates,
		sizeof(alc269_adc_candidates));
		alc275_setup_dual_adc(codec);
		if (!spec->dual_adc_switch)
		alc_remove_invalid_adc_nids(codec);

		err = alc_auto_add_mic_boost(codec);
		if (err < 0)
		@@ -14961,15 +14904,8 @@ static int patch_alc269(struct hda_codec *codec)
		spec->stream_digital_capture = &alc269_pcm_digital_capture;

		if (!spec->adc_nids) { /* wasn't filled automatically? use default */
		if (spec->codec_variant == ALC269_TYPE_ALC269VA) {
		spec->adc_nids = alc269_adc_nids;
		spec->num_adc_nids = ARRAY_SIZE(alc269_adc_nids);
		spec->capsrc_nids = alc269_capsrc_nids;
		} else {
		spec->adc_nids = alc269vb_adc_nids;
		spec->num_adc_nids = ARRAY_SIZE(alc269vb_adc_nids);
		spec->capsrc_nids = alc269vb_capsrc_nids;
		}
		alc_auto_fill_adc_caps(codec);
		alc_remove_invalid_adc_nids(codec);
		}

		if (!spec->cap_mixer)
		@@ -15776,12 +15712,13 @@ static int alc861_parse_auto_config(struct hda_codec *codec)
		spec->num_mux_defs = 1;
		spec->input_mux = &spec->private_imux[0];

		spec->adc_nids = alc861_adc_nids;
		spec->num_adc_nids = ARRAY_SIZE(alc861_adc_nids);
		set_capture_mixer(codec);
		if (!spec->dual_adc_switch)
		alc_remove_invalid_adc_nids(codec);

		alc_ssid_check(codec, 0x0e, 0x0f, 0x0b, 0);

		set_capture_mixer(codec);

		return 1;
		}

		@@ -16837,6 +16774,9 @@ static int alc861vd_parse_auto_config(struct hda_codec *codec)
		spec->num_mux_defs = 1;
		spec->input_mux = &spec->private_imux[0];

		if (!spec->dual_adc_switch)
		alc_remove_invalid_adc_nids(codec);

		err = alc_auto_add_mic_boost(codec);
		if (err < 0)
		return err;
		@@ -16944,11 +16884,9 @@ static int patch_alc861vd(struct hda_codec *codec)
		spec->stream_digital_capture = &alc861vd_pcm_digital_capture;

		if (!spec->adc_nids) {
		spec->adc_nids = alc861vd_adc_nids;
		spec->num_adc_nids = ARRAY_SIZE(alc861vd_adc_nids);
		alc_auto_fill_adc_caps(codec);
		alc_remove_invalid_adc_nids(codec);
		}
		if (!spec->capsrc_nids)
		spec->capsrc_nids = alc861vd_capsrc_nids;

		set_capture_mixer(codec);
		set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT);
		@@ -18965,6 +18903,9 @@ static int alc662_parse_auto_config(struct hda_codec *codec)
		spec->num_mux_defs = 1;
		spec->input_mux = &spec->private_imux[0];

		if (!spec->dual_adc_switch)
		alc_remove_invalid_adc_nids(codec);

		err = alc_auto_add_mic_boost(codec);
		if (err < 0)
		return err;
		@@ -19134,11 +19075,9 @@ static int patch_alc662(struct hda_codec *codec)
		spec->stream_digital_capture = &alc662_pcm_digital_capture;

		if (!spec->adc_nids) {
		spec->adc_nids = alc662_adc_nids;
		spec->num_adc_nids = ARRAY_SIZE(alc662_adc_nids);
		alc_auto_fill_adc_caps(codec);
		alc_remove_invalid_adc_nids(codec);
		}
		if (!spec->capsrc_nids)
		spec->capsrc_nids = alc662_capsrc_nids;

		if (!spec->cap_mixer)
		set_capture_mixer(codec);
		@@ -19631,8 +19570,8 @@ static int patch_alc680(struct hda_codec *codec)
		spec->stream_digital_capture = &alc680_pcm_digital_capture;

		if (!spec->adc_nids) {
		spec->adc_nids = alc680_adc_nids;
		spec->num_adc_nids = ARRAY_SIZE(alc680_adc_nids);
		alc_auto_fill_adc_caps(codec);
		alc_remove_invalid_adc_nids(codec);
		}

		if (!spec->cap_mixer)