[ALSA] hda: Mic as output fix

Added logic to check if AUTO_PIN_FRONT_MIC is available for output
switch, if AUTO_PIN_MIC isn't.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 33 insertions, 25 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 314ea51538b7..ef86402d7e67 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2307,6 +2307,29 @@ static int create_controls(struct sigmatel_spec *spec, const char *pfx, hda_nid_
         return 0;
 }
 
+static int add_spec_dacs(struct sigmatel_spec *spec, hda_nid_t nid)
+{
+        if (!spec->multiout.hp_nid)
+                spec->multiout.hp_nid = nid;
+        else if (spec->multiout.num_dacs > 4) {
+                printk(KERN_WARNING "stac92xx: No space for DAC 0x%x\n", nid);
+                return 1;
+        } else {
+                spec->multiout.dac_nids[spec->multiout.num_dacs] = nid;
+                spec->multiout.num_dacs++;
+        }
+        return 0;
+}
+
+static int check_in_dac_nids(struct sigmatel_spec *spec, hda_nid_t nid)
+{
+        if (is_in_dac_nids(spec, nid))
+                return 1;
+        if (spec->multiout.hp_nid == nid)
+                return 1;
+        return 0;
+}
+
 /* add playback controls from the parsed DAC table */
 static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec,
                                                const struct auto_pin_cfg *cfg)
@@ -2369,10 +2392,11 @@ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec,
 
         if (spec->mic_switch) {
                 unsigned int def_conf;
-                nid = cfg->input_pins[AUTO_PIN_MIC];
+                unsigned int mic_pin = AUTO_PIN_MIC;
+again:
+                nid = cfg->input_pins[mic_pin];
                 def_conf = snd_hda_codec_read(codec, nid, 0,
                                                 AC_VERB_GET_CONFIG_DEFAULT, 0);
-
                 /* some laptops have an internal analog microphone
                  * which can't be used as a output */
                 if (get_defcfg_connect(def_conf) != AC_JACK_PORT_FIXED) {
@@ -2382,38 +2406,22 @@ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec,
                                 err = stac92xx_add_control(spec,
                                         STAC_CTL_WIDGET_IO_SWITCH,
                                         "Mic as Output Switch", (nid << 8) | 1);
+                                nid = snd_hda_codec_read(codec, nid, 0,
+                                         AC_VERB_GET_CONNECT_LIST, 0) & 0xff;
+                                if (!check_in_dac_nids(spec, nid))
+                                        add_spec_dacs(spec, nid);
                                 if (err < 0)
                                         return err;
                         }
+                } else if (mic_pin == AUTO_PIN_MIC) {
+                        mic_pin = AUTO_PIN_FRONT_MIC;
+                        goto again;
                 }
         }
 
         return 0;
 }
 
-static int check_in_dac_nids(struct sigmatel_spec *spec, hda_nid_t nid)
-{
-        if (is_in_dac_nids(spec, nid))
-                return 1;
-        if (spec->multiout.hp_nid == nid)
-                return 1;
-        return 0;
-}
-
-static int add_spec_dacs(struct sigmatel_spec *spec, hda_nid_t nid)
-{
-        if (!spec->multiout.hp_nid)
-                spec->multiout.hp_nid = nid;
-        else if (spec->multiout.num_dacs > 4) {
-                printk(KERN_WARNING "stac92xx: No space for DAC 0x%x\n", nid);
-                return 1;
-        } else {
-                spec->multiout.dac_nids[spec->multiout.num_dacs] = nid;
-                spec->multiout.num_dacs++;
-        }
-        return 0;
-}
-
 /* add playback controls for Speaker and HP outputs */
 static int stac92xx_auto_create_hp_ctls(struct hda_codec *codec,
                                         struct auto_pin_cfg *cfg)