[ALSA] hda-codec - Avoid wrong speaker-auto mute via mic jack

When a mic jack is set up as the multiple I/O, it may issue the automute
function wrongly.  This patch fixes the wrong automute detection.

Signed-off-by: Jiang Zhe <zhe.jiang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 19 insertions, 5 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 992568368ef4..c4447b160a5a 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1600,6 +1600,13 @@ static int stac92xx_io_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_
                         pinctl |= stac92xx_get_vref(codec, nid);
                 stac92xx_auto_set_pinctl(codec, nid, pinctl);
         }
+
+        /* check the auto-mute again: we need to mute/unmute the speaker
+         * appropriately according to the pin direction
+         */
+        if (spec->hp_detect)
+                codec->patch_ops.unsol_event(codec, STAC_HP_EVENT << 26);
+
         return 1;
 }
 
@@ -2483,13 +2490,20 @@ static void stac92xx_reset_pinctl(struct hda_codec *codec, hda_nid_t nid,
                         pin_ctl & ~flag);
 }
 
-static int get_pin_presence(struct hda_codec *codec, hda_nid_t nid)
+static int get_hp_pin_presence(struct hda_codec *codec, hda_nid_t nid)
 {
         if (!nid)
                 return 0;
         if (snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_SENSE, 0x00)
-            & (1 << 31))
-                return 1;
+            & (1 << 31)) {
+                unsigned int pinctl;
+                pinctl = snd_hda_codec_read(codec, nid, 0,
+                                            AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+                if (pinctl & AC_PINCTL_IN_EN)
+                        return 0; /* mic- or line-input */
+                else
+                        return 1; /* HP-output */
+        }
         return 0;
 }
 
@@ -2501,7 +2515,7 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res)
 
         presence = 0;
         for (i = 0; i < cfg->hp_outs; i++) {
-                presence = get_pin_presence(codec, cfg->hp_pins[i]);
+                presence = get_hp_pin_presence(codec, cfg->hp_pins[i]);
                 if (presence)
                         break;
         }
@@ -3179,7 +3193,7 @@ static int stac9872_vaio_init(struct hda_codec *codec)
 
 static void stac9872_vaio_hp_detect(struct hda_codec *codec, unsigned int res)
 {
-        if (get_pin_presence(codec, 0x0a)) {
+        if (get_hp_pin_presence(codec, 0x0a)) {
                 stac92xx_reset_pinctl(codec, 0x0f, AC_PINCTL_OUT_EN);
                 stac92xx_set_pinctl(codec, 0x0a, AC_PINCTL_OUT_EN);
         } else {