ALSA: hda - Clear unsol enable bits on unused pins in generic parser

For preliminary works to migrate the generic parser for Conexant
codecs: the same function is ported to hda_generic.c.
But now it looks through the jack detect table so that it can cover
better.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 19 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index a5c4bc05d16f..b7b8d7eee7c6 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -3532,6 +3532,23 @@ static void init_digital(struct hda_codec *codec)
                 snd_hda_set_pin_ctl(codec, pin, PIN_IN);
 }
 
+/* clear unsol-event tags on unused pins; Conexant codecs seem to leave
+ * invalid unsol tags by some reason
+ */
+static void clear_unsol_on_unused_pins(struct hda_codec *codec)
+{
+        int i;
+
+        for (i = 0; i < codec->init_pins.used; i++) {
+                struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
+                hda_nid_t nid = pin->nid;
+                if (is_jack_detectable(codec, nid) &&
+                    !snd_hda_jack_tbl_get(codec, nid))
+                        snd_hda_codec_update_cache(codec, nid, 0,
+                                        AC_VERB_SET_UNSOLICITED_ENABLE, 0);
+        }
+}
+
 int snd_hda_gen_init(struct hda_codec *codec)
 {
         struct hda_gen_spec *spec = codec->spec;
@@ -3550,6 +3567,8 @@ int snd_hda_gen_init(struct hda_codec *codec)
         init_input_src(codec);
         init_digital(codec);
 
+        clear_unsol_on_unused_pins(codec);
+
         /* call init functions of standard auto-mute helpers */
         snd_hda_gen_hp_automute(codec, NULL);
         snd_hda_gen_line_automute(codec, NULL);