ALSA: hda/realtek - Initialize loopback paths properly

Now we have a complete list of loopback paths, thus we can initialize
the paths more completely based on it, instead of assuming a direct
connection from pin to mixer.

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

1 files changed, 20 insertions, 12 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9026b60bdc35..d5181b017375 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2639,6 +2639,7 @@ static int new_analog_input(struct hda_codec *codec, hda_nid_t pin,
 {
         struct alc_spec *spec = codec->spec;
         struct nid_path *path;
+        unsigned int val;
         int err, idx;
 
         if (!nid_has_volume(codec, mix_nid, HDA_INPUT) &&
@@ -2654,19 +2655,22 @@ static int new_analog_input(struct hda_codec *codec, hda_nid_t pin,
 
         idx = path->idx[path->depth - 1];
         if (nid_has_volume(codec, mix_nid, HDA_INPUT)) {
-                err = __add_pb_vol_ctrl(spec, ALC_CTL_WIDGET_VOL, ctlname, ctlidx,
-                          HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
+                val = HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT);
+                err = __add_pb_vol_ctrl(spec, ALC_CTL_WIDGET_VOL, ctlname, ctlidx, val);
                 if (err < 0)
                         return err;
+                path->ctls[NID_PATH_VOL_CTL] = val;
         }
 
         if (nid_has_mute(codec, mix_nid, HDA_INPUT)) {
-                err = __add_pb_sw_ctrl(spec, ALC_CTL_WIDGET_MUTE, ctlname, ctlidx,
-                          HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
+                val = HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT);
+                err = __add_pb_sw_ctrl(spec, ALC_CTL_WIDGET_MUTE, ctlname, ctlidx, val);
                 if (err < 0)
                         return err;
+                path->ctls[NID_PATH_MUTE_CTL] = val;
         }
 
+        path->active = true;
         add_loopback_list(spec, mix_nid, idx);
         return 0;
 }
@@ -2848,6 +2852,11 @@ static int alc_auto_create_shared_input(struct hda_codec *codec)
         return 0;
 }
 
+static struct nid_path *
+get_nid_path(struct hda_codec *codec, hda_nid_t from_nid, hda_nid_t to_nid);
+static void activate_path(struct hda_codec *codec, struct nid_path *path,
+                          bool enable);
+
 static int get_pin_type(int line_out_type)
 {
         if (line_out_type == AUTO_PIN_HP_OUT)
@@ -2871,15 +2880,14 @@ static void alc_auto_init_analog_input(struct hda_codec *codec)
                                                     AC_VERB_SET_AMP_GAIN_MUTE,
                                                     AMP_OUT_MUTE);
                 }
-        }
 
-        /* mute all loopback inputs */
-        if (spec->mixer_nid) {
-                int nums = snd_hda_get_num_conns(codec, spec->mixer_nid);
-                for (i = 0; i < nums; i++)
-                        snd_hda_codec_write(codec, spec->mixer_nid, 0,
-                                            AC_VERB_SET_AMP_GAIN_MUTE,
-                                            AMP_IN_MUTE(i));
+                /* mute loopback inputs */
+                if (spec->mixer_nid) {
+                        struct nid_path *path;
+                        path = get_nid_path(codec, nid, spec->mixer_nid);
+                        if (path)
+                                activate_path(codec, path, path->active);
+                }
         }
 }