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Commit 973e4972 authored by Takashi Iwai's avatar Takashi Iwai
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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: default avatarTakashi Iwai <tiwai@suse.de>
parent fd25a97a

sound/pci/hda/hda_generic.c

+19 −0
Original line number Diff line number Diff line
@@ -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);