ALSA: HDA: Conexant auto: Handle multiple connections to ADC node

[pandora-kernel.git] / sound / pci / hda / patch_conexant.c

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index fbe97d3..cd29eaf 100644 (file)
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -3729,9 +3729,9 @@ static int cx_auto_init(struct hda_codec *codec)
        return 0;
 }
 
-static int cx_auto_add_volume(struct hda_codec *codec, const char *basename,
+static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename,
                              const char *dir, int cidx,
-                             hda_nid_t nid, int hda_dir)
+                             hda_nid_t nid, int hda_dir, int amp_idx)
 {
        static char name[32];
        static struct snd_kcontrol_new knew[] = {
@@ -3743,7 +3743,8 @@ static int cx_auto_add_volume(struct hda_codec *codec, const char *basename,
 
        for (i = 0; i < 2; i++) {
                struct snd_kcontrol *kctl;
-               knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, 3, 0, hda_dir);
+               knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, 3, amp_idx,
+                                                           hda_dir);
                knew[i].subdevice = HDA_SUBDEV_AMP_FLAG;
                knew[i].index = cidx;
                snprintf(name, sizeof(name), "%s%s %s", basename, dir, sfx[i]);
@@ -3759,6 +3760,9 @@ static int cx_auto_add_volume(struct hda_codec *codec, const char *basename,
        return 0;
 }
 
+#define cx_auto_add_volume(codec, str, dir, cidx, nid, hda_dir)                \
+       cx_auto_add_volume_idx(codec, str, dir, cidx, nid, hda_dir, 0)
+
 #define cx_auto_add_pb_volume(codec, nid, str, idx)                    \
        cx_auto_add_volume(codec, str, " Playback", idx, nid, HDA_OUTPUT)
 
@@ -3808,29 +3812,60 @@ static int cx_auto_build_input_controls(struct hda_codec *codec)
        struct conexant_spec *spec = codec->spec;
        struct auto_pin_cfg *cfg = &spec->autocfg;
        static const char *prev_label;
-       int i, err, cidx;
+       int i, err, cidx, conn_len;
+       hda_nid_t conn[HDA_MAX_CONNECTIONS];
+
+       int multi_adc_volume = 0; /* If the ADC nid has several input volumes */
+       int adc_nid = spec->adc_nids[0];
+
+       conn_len = snd_hda_get_connections(codec, adc_nid, conn,
+                                          HDA_MAX_CONNECTIONS);
+       if (conn_len < 0)
+               return conn_len;
+
+       multi_adc_volume = cfg->num_inputs > 1 && conn_len > 1;
+       if (!multi_adc_volume) {
+               err = cx_auto_add_volume(codec, "Capture", "", 0, adc_nid,
+                                        HDA_INPUT);
+               if (err < 0)
+                       return err;
+       }
 
-       err = cx_auto_add_volume(codec, "Capture", "", 0, spec->adc_nids[0],
-                                HDA_INPUT);
-       if (err < 0)
-               return err;
        prev_label = NULL;
        cidx = 0;
        for (i = 0; i < cfg->num_inputs; i++) {
                hda_nid_t nid = cfg->inputs[i].pin;
                const char *label;
-               if (!(get_wcaps(codec, nid) & AC_WCAP_IN_AMP))
+               int j;
+               int pin_amp = get_wcaps(codec, nid) & AC_WCAP_IN_AMP;
+               if (!pin_amp && !multi_adc_volume)
                        continue;
+
                label = hda_get_autocfg_input_label(codec, cfg, i);
                if (label == prev_label)
                        cidx++;
                else
                        cidx = 0;
                prev_label = label;
-               err = cx_auto_add_volume(codec, label, " Capture", cidx,
-                                        nid, HDA_INPUT);
-               if (err < 0)
-                       return err;
+
+               if (pin_amp) {
+                       err = cx_auto_add_volume(codec, label, " Boost", cidx,
+                                                nid, HDA_INPUT);
+                       if (err < 0)
+                               return err;
+               }
+
+               if (!multi_adc_volume)
+                       continue;
+               for (j = 0; j < conn_len; j++) {
+                       if (conn[j] == nid) {
+                               err = cx_auto_add_volume_idx(codec, label,
+                                   " Capture", cidx, adc_nid, HDA_INPUT, j);
+                               if (err < 0)
+                                       return err;
+                               break;
+                       }
+               }
        }
        return 0;
 }