ALSA: HDA VIA: Change VT1708S & VT1702 hp mode controls

For VT1708S and VT1702, deactivate "Headphone Playback Volume" and
"Headphone Playback Mute" control if "Independent HP" mode is OFF.
and rename VT1702 "Independent HP" text.

Signed-off-by: Lydia Wang <lydiawang@viatech.com.cn>
Signed-off-by: Logan Li <loganli@viatech.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 34 insertions, 4 deletions

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 0da57db3a691..9e8dd57e8d5c 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -572,6 +572,18 @@ static int via_independent_hp_get(struct snd_kcontrol *kcontrol,
         return 0;
 }
 
+static void activate_ctl(struct hda_codec *codec, const char *name, int active)
+{
+        struct snd_kcontrol *ctl = snd_hda_find_mixer_ctl(codec, name);
+        if (ctl) {
+                ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+                ctl->vd[0].access |= active
+                        ? 0 : SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+                snd_ctl_notify(codec->bus->card,
+                               SNDRV_CTL_EVENT_MASK_VALUE, &ctl->id);
+        }
+}
+
 static int via_independent_hp_put(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
 {
@@ -620,6 +632,14 @@ static int via_independent_hp_put(struct snd_kcontrol *kcontrol,
                                                    spec->multiout.hp_nid,
                                                    0, 0, 0);
 
+        /* update HP volume/swtich active state */
+        if (spec->codec_type == VT1708S
+            || spec->codec_type == VT1702) {
+                activate_ctl(codec, "Headphone Playback Volume",
+                             spec->hp_independent_mode);
+                activate_ctl(codec, "Headphone Playback Switch",
+                             spec->hp_independent_mode);
+        }
         return 0;
 }
 
@@ -3342,11 +3362,11 @@ static int vt1702_auto_create_line_out_ctls(struct via_spec *spec,
 
 static int vt1702_auto_create_hp_ctls(struct via_spec *spec, hda_nid_t pin)
 {
-        int err;
-
+        int err, i;
+        struct hda_input_mux *imux;
+        static const char *texts[] = { "ON", "OFF", NULL};
         if (!pin)
                 return 0;
-
         spec->multiout.hp_nid = 0x1D;
 
         err = via_add_control(spec, VIA_CTL_WIDGET_VOL,
@@ -3361,8 +3381,18 @@ static int vt1702_auto_create_hp_ctls(struct via_spec *spec, hda_nid_t pin)
         if (err < 0)
                 return err;
 
-        create_hp_imux(spec);
+        imux = &spec->private_imux[1];
 
+        /* for hp mode select */
+        i = 0;
+        while (texts[i] != NULL)        {
+                imux->items[imux->num_items].label =  texts[i];
+                imux->items[imux->num_items].index = i;
+                imux->num_items++;
+                i++;
+        }
+
+        spec->hp_mux = &spec->private_imux[1];
         return 0;
 }