Merge branch 'for-linus' of git://gitorious.org/linux-omap-dss2/linux

[safe/jmp/linux-2.6] / sound / pci / hda / hda_codec.c

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 2be61b3..f98b47c 100644 (file)
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1086,11 +1086,6 @@ int snd_hda_codec_configure(struct hda_codec *codec)
                if (err < 0)
                        return err;
        }
-       /* audio codec should override the mixer name */
-       if (codec->afg || !*codec->bus->card->mixername)
-               snprintf(codec->bus->card->mixername,
-                        sizeof(codec->bus->card->mixername),
-                        "%s %s", codec->vendor_name, codec->chip_name);
 
        if (is_generic_config(codec)) {
                err = snd_hda_parse_generic_codec(codec);
@@ -1109,6 +1104,11 @@ int snd_hda_codec_configure(struct hda_codec *codec)
  patched:
        if (!err && codec->patch_ops.unsol_event)
                err = init_unsol_queue(codec->bus);
+       /* audio codec should override the mixer name */
+       if (!err && (codec->afg || !*codec->bus->card->mixername))
+               snprintf(codec->bus->card->mixername,
+                        sizeof(codec->bus->card->mixername),
+                        "%s %s", codec->vendor_name, codec->chip_name);
        return err;
 }
 EXPORT_SYMBOL_HDA(snd_hda_codec_configure);
@@ -1317,6 +1317,42 @@ u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
 }
 EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
 
+/**
+ * snd_hda_pin_sense - execute pin sense measurement
+ * @codec: the CODEC to sense
+ * @nid: the pin NID to sense
+ *
+ * Execute necessary pin sense measurement and return its Presence Detect,
+ * Impedance, ELD Valid etc. status bits.
+ */
+u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid)
+{
+       u32 pincap;
+
+       if (!codec->no_trigger_sense) {
+               pincap = snd_hda_query_pin_caps(codec, nid);
+               if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
+                       snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);
+       }
+       return snd_hda_codec_read(codec, nid, 0,
+                                 AC_VERB_GET_PIN_SENSE, 0);
+}
+EXPORT_SYMBOL_HDA(snd_hda_pin_sense);
+
+/**
+ * snd_hda_jack_detect - query pin Presence Detect status
+ * @codec: the CODEC to sense
+ * @nid: the pin NID to sense
+ *
+ * Query and return the pin's Presence Detect status.
+ */
+int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid)
+{
+        u32 sense = snd_hda_pin_sense(codec, nid);
+        return !!(sense & AC_PINSENSE_PRESENCE);
+}
+EXPORT_SYMBOL_HDA(snd_hda_jack_detect);
+
 /*
  * read the current volume to info
  * if the cache exists, read the cache value.