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>
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index a5c4bc0..b7b8d7e 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -3532,6 +3532,23 @@
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 @@
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);