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Commit 2125cad2 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] hda-codec - Fix noisy output wtih AD1986A 3stack model 



Fixed the noisy output wtih AD1986A 3stack model using 2 channels.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 505cb341

sound/pci/hda/patch_analog.c

+8 −1
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ struct ad198x_spec { 
					 * dig_out_nid and hp_nid are optional

					 */

	unsigned int cur_eapd;

	unsigned int need_dac_fix;



	/* capture */

	unsigned int num_adc_nids;
@@ -836,10 +837,14 @@ static int patch_ad1986a(struct hda_codec *codec) 
	case AD1986A_3STACK:

		spec->num_mixers = 2;

		spec->mixers[1] = ad1986a_3st_mixers;

		spec->num_init_verbs = 2;

		spec->num_init_verbs = 3;

		spec->init_verbs[1] = ad1986a_3st_init_verbs;

		spec->init_verbs[2] = ad1986a_ch2_init;

		spec->channel_mode = ad1986a_modes;

		spec->num_channel_mode = ARRAY_SIZE(ad1986a_modes);

		spec->need_dac_fix = 1;

		spec->multiout.max_channels = 2;

		spec->multiout.num_dacs = 1;

		break;

	case AD1986A_LAPTOP:

		spec->mixers[0] = ad1986a_laptop_mixers;
@@ -1555,6 +1560,8 @@ static int ad198x_ch_mode_put(struct snd_kcontrol *kcontrol, 
{

	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);

	struct ad198x_spec *spec = codec->spec;

	if (spec->need_dac_fix)

		spec->multiout.num_dacs = spec->multiout.max_channels / 2;

	return snd_hda_ch_mode_put(codec, ucontrol, spec->channel_mode,

				   spec->num_channel_mode, &spec->multiout.max_channels);

}