ALSA: hda - Detect digital-mic inputs on ALC663 / ALC272

Fix the detection of digital-mic inputs on ALC663 / ALC272 codecs
in the auto-detection mode.  The automatic mic switch via plugging
isn't implemented yet, though.

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

1 files changed, 47 insertions, 16 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 5ad0f8d72ddb..b69d9864f6f3 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -16725,26 +16725,58 @@ static int alc662_auto_create_extra_out(struct alc_spec *spec, hda_nid_t pin,
         return 0;
 }
 
+/* return the index of the src widget from the connection list of the nid.
+ * return -1 if not found
+ */
+static int alc662_input_pin_idx(struct hda_codec *codec, hda_nid_t nid,
+                                hda_nid_t src)
+{
+        hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
+        int i, conns;
+
+        conns = snd_hda_get_connections(codec, nid, conn_list,
+                                        ARRAY_SIZE(conn_list));
+        if (conns < 0)
+                return -1;
+        for (i = 0; i < conns; i++)
+                if (conn_list[i] == src)
+                        return i;
+        return -1;
+}
+
+static int alc662_is_input_pin(struct hda_codec *codec, hda_nid_t nid)
+{
+        unsigned int pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+        return (pincap & AC_PINCAP_IN) != 0;
+}
+
 /* create playback/capture controls for input pins */
-static int alc662_auto_create_analog_input_ctls(struct alc_spec *spec,
+static int alc662_auto_create_analog_input_ctls(struct hda_codec *codec,
                                                 const struct auto_pin_cfg *cfg)
 {
+        struct alc_spec *spec = codec->spec;
         struct hda_input_mux *imux = &spec->private_imux[0];
         int i, err, idx;
 
         for (i = 0; i < AUTO_PIN_LAST; i++) {
-                if (alc880_is_input_pin(cfg->input_pins[i])) {
-                        idx = alc880_input_pin_idx(cfg->input_pins[i]);
-                        err = new_analog_input(spec, cfg->input_pins[i],
-                                               auto_pin_cfg_labels[i],
-                                               idx, 0x0b);
-                        if (err < 0)
-                                return err;
-                        imux->items[imux->num_items].label =
-                                auto_pin_cfg_labels[i];
-                        imux->items[imux->num_items].index =
-                                alc880_input_pin_idx(cfg->input_pins[i]);
-                        imux->num_items++;
+                if (alc662_is_input_pin(codec, cfg->input_pins[i])) {
+                        idx = alc662_input_pin_idx(codec, 0x0b,
+                                                   cfg->input_pins[i]);
+                        if (idx >= 0) {
+                                err = new_analog_input(spec, cfg->input_pins[i],
+                                                       auto_pin_cfg_labels[i],
+                                                       idx, 0x0b);
+                                if (err < 0)
+                                        return err;
+                        }
+                        idx = alc662_input_pin_idx(codec, 0x22,
+                                                   cfg->input_pins[i]);
+                        if (idx >= 0) {
+                                imux->items[imux->num_items].label =
+                                        auto_pin_cfg_labels[i];
+                                imux->items[imux->num_items].index = idx;
+                                imux->num_items++;
+                        }
                 }
         }
         return 0;
@@ -16794,7 +16826,6 @@ static void alc662_auto_init_hp_out(struct hda_codec *codec)
                 alc662_auto_set_output_and_unmute(codec, pin, PIN_OUT, 0);
 }
 
-#define alc662_is_input_pin(nid)        alc880_is_input_pin(nid)
 #define ALC662_PIN_CD_NID               ALC880_PIN_CD_NID
 
 static void alc662_auto_init_analog_input(struct hda_codec *codec)
@@ -16804,7 +16835,7 @@ static void alc662_auto_init_analog_input(struct hda_codec *codec)
 
         for (i = 0; i < AUTO_PIN_LAST; i++) {
                 hda_nid_t nid = spec->autocfg.input_pins[i];
-                if (alc662_is_input_pin(nid)) {
+                if (alc662_is_input_pin(codec, nid)) {
                         alc_set_input_pin(codec, nid, i);
                         if (nid != ALC662_PIN_CD_NID)
                                 snd_hda_codec_write(codec, nid, 0,
@@ -16844,7 +16875,7 @@ static int alc662_parse_auto_config(struct hda_codec *codec)
                                            "Headphone");
         if (err < 0)
                 return err;
-        err = alc662_auto_create_analog_input_ctls(spec, &spec->autocfg);
+        err = alc662_auto_create_analog_input_ctls(codec, &spec->autocfg);
         if (err < 0)
                 return err;