ALSA: hda - Add the generic Headphone Mic feature
This patch improves the generic parser code to allow to set up the headphone jack as a mic input. User can enable this feature by giving hp_mic hint string. The former shared hp/mic feature for the single built-in mic is still retained. This detection can be disabled now via hp_mic_detect hint string, too. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
Родитель
2dad940219
Коммит
967303dabc
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@ -466,6 +466,9 @@ The generic parser supports the following hints:
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- add_in_jack_modes (bool): add "xxx Jack Mode" enum controls to each
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input jack for allowing to change the mic bias vref
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- power_down_unused (bool): power down the unused widgets
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- add_hp_mic (bool): add the headphone to capture source if possible
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- hp_mic_detect (bool): enable/disable the hp/mic shared input for a
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single built-in mic case; default true
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- mixer_nid (int): specifies the widget NID of the analog-loopback
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mixer
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@ -159,6 +159,12 @@ static void parse_user_hints(struct hda_codec *codec)
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val = snd_hda_get_bool_hint(codec, "power_down_unused");
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if (val >= 0)
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spec->power_down_unused = !!val;
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val = snd_hda_get_bool_hint(codec, "add_hp_mic");
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if (val >= 0)
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spec->hp_mic = !!val;
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val = snd_hda_get_bool_hint(codec, "hp_mic_detect");
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if (val >= 0)
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spec->suppress_hp_mic_detect = !val;
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if (!snd_hda_get_int_hint(codec, "mixer_nid", &val))
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spec->mixer_nid = val;
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@ -2194,63 +2200,97 @@ static int create_loopback_mixing_ctl(struct hda_codec *codec)
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static void call_update_outputs(struct hda_codec *codec);
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/* for shared I/O, change the pin-control accordingly */
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static void update_shared_mic_hp(struct hda_codec *codec, bool set_as_mic)
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static void update_hp_mic(struct hda_codec *codec, int adc_mux, bool force)
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{
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struct hda_gen_spec *spec = codec->spec;
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bool as_mic;
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unsigned int val;
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hda_nid_t pin = spec->autocfg.inputs[1].pin;
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/* NOTE: this assumes that there are only two inputs, the
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* first is the real internal mic and the second is HP/mic jack.
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*/
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hda_nid_t pin;
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pin = spec->hp_mic_pin;
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as_mic = spec->cur_mux[adc_mux] == spec->hp_mic_mux_idx;
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if (!force) {
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val = snd_hda_codec_get_pin_target(codec, pin);
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if (as_mic) {
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if (val & PIN_IN)
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return;
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} else {
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if (val & PIN_OUT)
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return;
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}
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}
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val = snd_hda_get_default_vref(codec, pin);
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/* This pin does not have vref caps - let's enable vref on pin 0x18
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instead, as suggested by Realtek */
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/* if the HP pin doesn't support VREF and the codec driver gives an
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* alternative pin, set up the VREF on that pin instead
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*/
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if (val == AC_PINCTL_VREF_HIZ && spec->shared_mic_vref_pin) {
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const hda_nid_t vref_pin = spec->shared_mic_vref_pin;
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unsigned int vref_val = snd_hda_get_default_vref(codec, vref_pin);
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if (vref_val != AC_PINCTL_VREF_HIZ)
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snd_hda_set_pin_ctl_cache(codec, vref_pin,
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PIN_IN | (set_as_mic ? vref_val : 0));
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PIN_IN | (as_mic ? vref_val : 0));
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}
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val = set_as_mic ? val | PIN_IN : PIN_HP;
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if (as_mic)
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val |= PIN_IN;
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else
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val = PIN_HP;
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set_pin_target(codec, pin, val, true);
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spec->automute_speaker = !set_as_mic;
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call_update_outputs(codec);
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/* update HP auto-mute state too */
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if (spec->hp_automute_hook)
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spec->hp_automute_hook(codec, NULL);
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else
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snd_hda_gen_hp_automute(codec, NULL);
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}
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/* create a shared input with the headphone out */
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static int create_shared_input(struct hda_codec *codec)
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static int create_hp_mic(struct hda_codec *codec)
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{
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struct hda_gen_spec *spec = codec->spec;
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struct auto_pin_cfg *cfg = &spec->autocfg;
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unsigned int defcfg;
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hda_nid_t nid;
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/* only one internal input pin? */
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if (cfg->num_inputs != 1)
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if (!spec->hp_mic) {
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if (spec->suppress_hp_mic_detect)
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return 0;
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/* automatic detection: only if no input or a single internal
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* input pin is found, try to detect the shared hp/mic
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*/
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if (cfg->num_inputs > 1)
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return 0;
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else if (cfg->num_inputs == 1) {
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defcfg = snd_hda_codec_get_pincfg(codec, cfg->inputs[0].pin);
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if (snd_hda_get_input_pin_attr(defcfg) != INPUT_PIN_ATTR_INT)
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return 0;
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}
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}
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if (cfg->hp_outs == 1 && cfg->line_out_type == AUTO_PIN_SPEAKER_OUT)
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nid = cfg->hp_pins[0]; /* OK, we have a single HP-out */
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else if (cfg->line_outs == 1 && cfg->line_out_type == AUTO_PIN_HP_OUT)
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nid = cfg->line_out_pins[0]; /* OK, we have a single line-out */
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else
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return 0; /* both not available */
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spec->hp_mic = 0; /* clear once */
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if (cfg->num_inputs >= AUTO_CFG_MAX_INS)
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return 0;
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nid = 0;
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if (cfg->line_out_type == AUTO_PIN_HP_OUT && cfg->line_outs > 0)
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nid = cfg->line_out_pins[0];
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else if (cfg->hp_outs > 0)
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nid = cfg->hp_pins[0];
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if (!nid)
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return 0;
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if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_IN))
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return 0; /* no input */
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cfg->inputs[1].pin = nid;
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cfg->inputs[1].type = AUTO_PIN_MIC;
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cfg->num_inputs = 2;
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spec->shared_mic_hp = 1;
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cfg->inputs[cfg->num_inputs].pin = nid;
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cfg->inputs[cfg->num_inputs].type = AUTO_PIN_MIC;
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cfg->num_inputs++;
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spec->hp_mic = 1;
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spec->hp_mic_pin = nid;
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/* we can't handle auto-mic together with HP-mic */
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spec->suppress_auto_mic = 1;
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snd_printdd("hda-codec: Enable shared I/O jack on NID 0x%x\n", nid);
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return 0;
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}
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@ -2602,7 +2642,6 @@ static int check_dyn_adc_switch(struct hda_codec *codec)
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unsigned int ok_bits;
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int i, n, nums;
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again:
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nums = 0;
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ok_bits = 0;
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for (n = 0; n < spec->num_adc_nids; n++) {
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@ -2617,12 +2656,6 @@ static int check_dyn_adc_switch(struct hda_codec *codec)
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}
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if (!ok_bits) {
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if (spec->shared_mic_hp) {
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spec->shared_mic_hp = 0;
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imux->num_items = 1;
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goto again;
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}
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/* check whether ADC-switch is possible */
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for (i = 0; i < imux->num_items; i++) {
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for (n = 0; n < spec->num_adc_nids; n++) {
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@ -2655,7 +2688,8 @@ static int check_dyn_adc_switch(struct hda_codec *codec)
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spec->num_adc_nids = nums;
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}
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if (imux->num_items == 1 || spec->shared_mic_hp) {
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if (imux->num_items == 1 ||
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(imux->num_items == 2 && spec->hp_mic)) {
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snd_printdd("hda-codec: reducing to a single ADC\n");
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spec->num_adc_nids = 1; /* reduce to a single ADC */
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}
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@ -2692,6 +2726,8 @@ static int parse_capture_source(struct hda_codec *codec, hda_nid_t pin,
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snd_hda_get_path_idx(codec, path);
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if (!imux_added) {
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if (spec->hp_mic_pin == pin)
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spec->hp_mic_mux_idx = imux->num_items;
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spec->imux_pins[imux->num_items] = pin;
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snd_hda_add_imux_item(imux, label, cfg_idx, NULL);
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imux_added = true;
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@ -3416,8 +3452,8 @@ static int mux_select(struct hda_codec *codec, unsigned int adc_idx,
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spec->cur_mux[adc_idx] = idx;
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if (spec->shared_mic_hp)
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update_shared_mic_hp(codec, spec->cur_mux[adc_idx]);
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if (spec->hp_mic)
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update_hp_mic(codec, adc_idx, false);
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if (spec->dyn_adc_switch)
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dyn_adc_pcm_resetup(codec, idx);
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@ -3465,18 +3501,21 @@ static void do_automute(struct hda_codec *codec, int num_pins, hda_nid_t *pins,
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for (i = 0; i < num_pins; i++) {
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hda_nid_t nid = pins[i];
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unsigned int val;
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unsigned int val, oldval;
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if (!nid)
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break;
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oldval = snd_hda_codec_get_pin_target(codec, nid);
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if (oldval & PIN_IN)
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continue; /* no mute for inputs */
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/* don't reset VREF value in case it's controlling
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* the amp (see alc861_fixup_asus_amp_vref_0f())
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*/
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if (spec->keep_vref_in_automute)
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val = snd_hda_codec_get_pin_target(codec, nid) & ~PIN_HP;
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val = oldval & ~PIN_HP;
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else
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val = 0;
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if (!mute)
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val |= snd_hda_codec_get_pin_target(codec, nid);
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val |= oldval;
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/* here we call update_pin_ctl() so that the pinctl is changed
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* without changing the pinctl target value;
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* the original target value will be still referred at the
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@ -3497,7 +3536,6 @@ void snd_hda_gen_update_outputs(struct hda_codec *codec)
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* in general, HP pins/amps control should be enabled in all cases,
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* but currently set only for master_mute, just to be safe
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*/
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if (!spec->shared_mic_hp) /* don't change HP-pin when shared with mic */
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do_automute(codec, ARRAY_SIZE(spec->autocfg.hp_pins),
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spec->autocfg.hp_pins, spec->master_mute);
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@ -3978,7 +4016,7 @@ int snd_hda_gen_parse_auto_config(struct hda_codec *codec,
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err = create_loopback_mixing_ctl(codec);
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if (err < 0)
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return err;
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err = create_shared_input(codec);
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err = create_hp_mic(codec);
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if (err < 0)
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return err;
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err = create_input_ctls(codec);
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@ -4004,11 +4042,9 @@ int snd_hda_gen_parse_auto_config(struct hda_codec *codec,
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if (err < 0)
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return err;
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if (!spec->shared_mic_hp) {
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err = check_auto_mic_availability(codec);
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if (err < 0)
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return err;
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}
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err = create_capture_mixers(codec);
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if (err < 0)
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@ -4115,9 +4151,9 @@ int snd_hda_gen_build_controls(struct hda_codec *codec)
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free_kctls(spec); /* no longer needed */
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if (spec->shared_mic_hp) {
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if (spec->hp_mic_pin) {
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int err;
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int nid = spec->autocfg.inputs[1].pin;
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int nid = spec->hp_mic_pin;
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err = snd_hda_jack_add_kctl(codec, nid, "Headphone Mic", 0);
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if (err < 0)
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return err;
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@ -4780,11 +4816,10 @@ static void init_input_src(struct hda_codec *codec)
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snd_hda_activate_path(codec, path, active, false);
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}
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}
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if (spec->hp_mic)
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update_hp_mic(codec, c, true);
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}
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if (spec->shared_mic_hp)
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update_shared_mic_hp(codec, spec->cur_mux[0]);
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if (spec->cap_sync_hook)
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spec->cap_sync_hook(codec, NULL);
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}
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@ -145,7 +145,10 @@ struct hda_gen_spec {
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hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];
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hda_nid_t imux_pins[HDA_MAX_NUM_INPUTS];
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unsigned int dyn_adc_idx[HDA_MAX_NUM_INPUTS];
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/* shared hp/mic */
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hda_nid_t shared_mic_vref_pin;
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hda_nid_t hp_mic_pin;
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int hp_mic_mux_idx;
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/* DAC/ADC lists */
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int num_all_dacs;
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@ -200,7 +203,8 @@ struct hda_gen_spec {
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/* other parse behavior flags */
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unsigned int need_dac_fix:1; /* need to limit DACs for multi channels */
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unsigned int shared_mic_hp:1; /* HP/Mic-in sharing */
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unsigned int hp_mic:1; /* Allow HP as a mic-in */
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unsigned int suppress_hp_mic_detect:1; /* Don't detect HP/mic */
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unsigned int no_primary_hp:1; /* Don't prefer HP pins to speaker pins */
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unsigned int multi_cap_vol:1; /* allow multiple capture xxx volumes */
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unsigned int inv_dmic_split:1; /* inverted dmic w/a for conexant */
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