ALSA: hda/sigmatel - Automatically retrieve digital I/O widgets

Revise stac92xx_parse_auto_config to automatically scan for digital input
and output converters.

Signed-off-by: Charles Chin <Charles.Chin@idt.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 26 insertions, 13 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 5961e727b2cf..de4c36027cbe 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -3791,9 +3791,10 @@ static int is_dual_headphones(struct hda_codec *codec)
 }
 
 
-static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out, hda_nid_t dig_in)
+static int stac92xx_parse_auto_config(struct hda_codec *codec)
 {
         struct sigmatel_spec *spec = codec->spec;
+        hda_nid_t dig_out = 0, dig_in = 0;
         int hp_swap = 0;
         int i, err;
 
@@ -3976,6 +3977,22 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
         if (spec->multiout.max_channels > 2)
                 spec->surr_switch = 1;
 
+        /* find digital out and in converters */
+        for (i = codec->start_nid; i < codec->start_nid + codec->num_nodes; i++) {
+                unsigned int wid_caps = get_wcaps(codec, i);
+                if (wid_caps & AC_WCAP_DIGITAL) {
+                        switch (get_wcaps_type(wid_caps)) {
+                        case AC_WID_AUD_OUT:
+                                if (!dig_out)
+                                        dig_out = i;
+                                break;
+                        case AC_WID_AUD_IN:
+                                if (!dig_in)
+                                        dig_in = i;
+                                break;
+                        }
+                }
+        }
         if (spec->autocfg.dig_outs)
                 spec->multiout.dig_out_nid = dig_out;
         if (dig_in && spec->autocfg.dig_in_pin)
@@ -5279,7 +5296,7 @@ static int patch_stac925x(struct hda_codec *codec)
         spec->capvols = stac925x_capvols;
         spec->capsws = stac925x_capsws;
 
-        err = stac92xx_parse_auto_config(codec, 0x8, 0x7);
+        err = stac92xx_parse_auto_config(codec);
         if (!err) {
                 if (spec->board_config < 0) {
                         printk(KERN_WARNING "hda_codec: No auto-config is "
@@ -5420,7 +5437,7 @@ again:
         spec->num_pwrs = ARRAY_SIZE(stac92hd73xx_pwr_nids);
         spec->pwr_nids = stac92hd73xx_pwr_nids;
 
-        err = stac92xx_parse_auto_config(codec, 0x25, 0x27);
+        err = stac92xx_parse_auto_config(codec);
 
         if (!err) {
                 if (spec->board_config < 0) {
@@ -5657,11 +5674,7 @@ again:
         }
 #endif  
 
-        /* 92HD65/66 series has S/PDIF-IN */
-        if (codec->vendor_id >= 0x111d76e8 && codec->vendor_id <= 0x111d76f3)
-                err = stac92xx_parse_auto_config(codec, 0x1d, 0x22);
-        else
-                err = stac92xx_parse_auto_config(codec, 0x1d, 0);
+        err = stac92xx_parse_auto_config(codec);
         if (!err) {
                 if (spec->board_config < 0) {
                         printk(KERN_WARNING "hda_codec: No auto-config is "
@@ -5982,7 +5995,7 @@ again:
 
         spec->multiout.dac_nids = spec->dac_nids;
 
-        err = stac92xx_parse_auto_config(codec, 0x21, 0);
+        err = stac92xx_parse_auto_config(codec);
         if (!err) {
                 if (spec->board_config < 0) {
                         printk(KERN_WARNING "hda_codec: No auto-config is "
@@ -6091,7 +6104,7 @@ static int patch_stac922x(struct hda_codec *codec)
 
         spec->multiout.dac_nids = spec->dac_nids;
         
-        err = stac92xx_parse_auto_config(codec, 0x08, 0x09);
+        err = stac92xx_parse_auto_config(codec);
         if (!err) {
                 if (spec->board_config < 0) {
                         printk(KERN_WARNING "hda_codec: No auto-config is "
@@ -6216,7 +6229,7 @@ static int patch_stac927x(struct hda_codec *codec)
         spec->aloopback_shift = 0;
         spec->eapd_switch = 1;
 
-        err = stac92xx_parse_auto_config(codec, 0x1e, 0x20);
+        err = stac92xx_parse_auto_config(codec);
         if (!err) {
                 if (spec->board_config < 0) {
                         printk(KERN_WARNING "hda_codec: No auto-config is "
@@ -6341,7 +6354,7 @@ static int patch_stac9205(struct hda_codec *codec)
                 break;
         }
 
-        err = stac92xx_parse_auto_config(codec, 0x1f, 0x20);
+        err = stac92xx_parse_auto_config(codec);
         if (!err) {
                 if (spec->board_config < 0) {
                         printk(KERN_WARNING "hda_codec: No auto-config is "
@@ -6446,7 +6459,7 @@ static int patch_stac9872(struct hda_codec *codec)
         spec->capvols = stac9872_capvols;
         spec->capsws = stac9872_capsws;
 
-        err = stac92xx_parse_auto_config(codec, 0x10, 0x12);
+        err = stac92xx_parse_auto_config(codec);
         if (err < 0) {
                 stac92xx_free(codec);
                 return -EINVAL;