ALSA: hda - Handle shared hp/mic jack mode

When a headphone jack is configured as a shared hp/mic jack, the jack
mode enum needs to handle both input and output directions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 169 insertions, 8 deletions

diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 73de215da03f..dc849e489641 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -2298,13 +2298,17 @@ static int create_hp_mic(struct hda_codec *codec)
 /*
  * output jack mode
  */
+
+static int create_hp_mic_jack_mode(struct hda_codec *codec, hda_nid_t pin);
+
+static const char * const out_jack_texts[] = {
+        "Line Out", "Headphone Out",
+};
+
 static int out_jack_mode_info(struct snd_kcontrol *kcontrol,
                               struct snd_ctl_elem_info *uinfo)
 {
-        static const char * const texts[] = {
-                "Line Out", "Headphone Out",
-        };
-        return snd_hda_enum_helper_info(kcontrol, uinfo, 2, texts);
+        return snd_hda_enum_helper_info(kcontrol, uinfo, 2, out_jack_texts);
 }
 
 static int out_jack_mode_get(struct snd_kcontrol *kcontrol,
@@ -2366,6 +2370,17 @@ static void get_jack_mode_name(struct hda_codec *codec, hda_nid_t pin,
                 ;
 }
 
+static int get_out_jack_num_items(struct hda_codec *codec, hda_nid_t pin)
+{
+        struct hda_gen_spec *spec = codec->spec;
+        if (spec->add_out_jack_modes) {
+                unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
+                if ((pincap & AC_PINCAP_OUT) && (pincap & AC_PINCAP_HP_DRV))
+                        return 2;
+        }
+        return 1;
+}
+
 static int create_out_jack_modes(struct hda_codec *codec, int num_pins,
                                  hda_nid_t *pins)
 {
@@ -2374,8 +2389,13 @@ static int create_out_jack_modes(struct hda_codec *codec, int num_pins,
 
         for (i = 0; i < num_pins; i++) {
                 hda_nid_t pin = pins[i];
-                unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
-                if ((pincap & AC_PINCAP_OUT) && (pincap & AC_PINCAP_HP_DRV)) {
+                if (pin == spec->hp_mic_pin) {
+                        int ret = create_hp_mic_jack_mode(codec, pin);
+                        if (ret < 0)
+                                return ret;
+                        continue;
+                }
+                if (get_out_jack_num_items(codec, pin) > 1) {
                         struct snd_kcontrol_new *knew;
                         char name[44];
                         get_jack_mode_name(codec, pin, name, sizeof(name));
@@ -2496,12 +2516,30 @@ static const struct snd_kcontrol_new in_jack_mode_enum = {
         .put = in_jack_mode_put,
 };
 
+static int get_in_jack_num_items(struct hda_codec *codec, hda_nid_t pin)
+{
+        struct hda_gen_spec *spec = codec->spec;
+        int nitems = 0;
+        if (spec->add_in_jack_modes)
+                nitems = hweight32(get_vref_caps(codec, pin));
+        return nitems ? nitems : 1;
+}
+
 static int create_in_jack_mode(struct hda_codec *codec, hda_nid_t pin)
 {
         struct hda_gen_spec *spec = codec->spec;
-        unsigned int defcfg;
         struct snd_kcontrol_new *knew;
         char name[44];
+        unsigned int defcfg;
+
+        if (pin == spec->hp_mic_pin) {
+                if (!spec->add_out_jack_modes) {
+                        int ret = create_hp_mic_jack_mode(codec, pin);
+                        if (ret < 0)
+                                return ret;
+                }
+                return 0;
+        }
 
         /* no jack mode for fixed pins */
         defcfg = snd_hda_codec_get_pincfg(codec, pin);
@@ -2509,7 +2547,7 @@ static int create_in_jack_mode(struct hda_codec *codec, hda_nid_t pin)
                 return 0;
 
         /* no multiple vref caps? */
-        if (hweight32(get_vref_caps(codec, pin)) <= 1)
+        if (get_in_jack_num_items(codec, pin) <= 1)
                 return 0;
 
         get_jack_mode_name(codec, pin, name, sizeof(name));
@@ -2520,6 +2558,129 @@ static int create_in_jack_mode(struct hda_codec *codec, hda_nid_t pin)
         return 0;
 }
 
+/*
+ * HP/mic shared jack mode
+ */
+static int hp_mic_jack_mode_info(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_info *uinfo)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        hda_nid_t nid = kcontrol->private_value;
+        int out_jacks = get_out_jack_num_items(codec, nid);
+        int in_jacks = get_in_jack_num_items(codec, nid);
+        const char *text = NULL;
+        int idx;
+
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+        uinfo->count = 1;
+        uinfo->value.enumerated.items = out_jacks + in_jacks;
+        if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+                uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
+        idx = uinfo->value.enumerated.item;
+        if (idx < out_jacks) {
+                if (out_jacks > 1)
+                        text = out_jack_texts[idx];
+                else
+                        text = "Headphone Out";
+        } else {
+                idx -= out_jacks;
+                if (in_jacks > 1) {
+                        unsigned int vref_caps = get_vref_caps(codec, nid);
+                        text = vref_texts[get_vref_idx(vref_caps, idx)];
+                } else
+                        text = "Mic In";
+        }
+
+        strcpy(uinfo->value.enumerated.name, text);
+        return 0;
+}
+
+static int get_cur_hp_mic_jack_mode(struct hda_codec *codec, hda_nid_t nid)
+{
+        int out_jacks = get_out_jack_num_items(codec, nid);
+        int in_jacks = get_in_jack_num_items(codec, nid);
+        unsigned int val = snd_hda_codec_get_pin_target(codec, nid);
+        int idx = 0;
+
+        if (val & PIN_OUT) {
+                if (out_jacks > 1 && val == PIN_HP)
+                        idx = 1;
+        } else if (val & PIN_IN) {
+                idx = out_jacks;
+                if (in_jacks > 1) {
+                        unsigned int vref_caps = get_vref_caps(codec, nid);
+                        val &= AC_PINCTL_VREFEN;
+                        idx += cvt_from_vref_idx(vref_caps, val);
+                }
+        }
+        return idx;
+}
+
+static int hp_mic_jack_mode_get(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        hda_nid_t nid = kcontrol->private_value;
+        ucontrol->value.enumerated.item[0] =
+                get_cur_hp_mic_jack_mode(codec, nid);
+        return 0;
+}
+
+static int hp_mic_jack_mode_put(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        hda_nid_t nid = kcontrol->private_value;
+        int out_jacks = get_out_jack_num_items(codec, nid);
+        int in_jacks = get_in_jack_num_items(codec, nid);
+        unsigned int val, oldval, idx;
+
+        oldval = get_cur_hp_mic_jack_mode(codec, nid);
+        idx = ucontrol->value.enumerated.item[0];
+        if (oldval == idx)
+                return 0;
+
+        if (idx < out_jacks) {
+                if (out_jacks > 1)
+                        val = idx ? PIN_HP : PIN_OUT;
+                else
+                        val = PIN_HP;
+        } else {
+                idx -= out_jacks;
+                if (in_jacks > 1) {
+                        unsigned int vref_caps = get_vref_caps(codec, nid);
+                        val = snd_hda_codec_get_pin_target(codec, nid);
+                        val &= ~AC_PINCTL_VREFEN;
+                        val |= get_vref_idx(vref_caps, idx);
+                } else
+                        val = snd_hda_get_default_vref(codec, nid);
+        }
+        snd_hda_set_pin_ctl_cache(codec, nid, val);
+        return 1;
+}
+
+static const struct snd_kcontrol_new hp_mic_jack_mode_enum = {
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .info = hp_mic_jack_mode_info,
+        .get = hp_mic_jack_mode_get,
+        .put = hp_mic_jack_mode_put,
+};
+
+static int create_hp_mic_jack_mode(struct hda_codec *codec, hda_nid_t pin)
+{
+        struct hda_gen_spec *spec = codec->spec;
+        struct snd_kcontrol_new *knew;
+
+        if (get_out_jack_num_items(codec, pin) <= 1 &&
+            get_in_jack_num_items(codec, pin) <= 1)
+                return 0; /* no need */
+        knew = snd_hda_gen_add_kctl(spec, "Headphone Mic Jack Mode",
+                                    &hp_mic_jack_mode_enum);
+        if (!knew)
+                return -ENOMEM;
+        knew->private_value = pin;
+        return 0;
+}
 
 /*
  * Parse input paths