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Commit 9b850ca4 authored by John Lin's avatar John Lin Committed by Mark Brown
Browse files

ASoC: rt5640: fix line out no sound issue



The power for line out was not turned on when line out is enabled.
So we add "LOUT amp" widget to turn on the power for line out.

Signed-off-by: default avatarJohn Lin <john.lin@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
parent bc0195aa
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+37 −3
Original line number Diff line number Diff line
@@ -984,6 +984,35 @@ static int rt5640_hp_event(struct snd_soc_dapm_widget *w,
	return 0;
}

static int rt5640_lout_event(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		hp_amp_power_on(codec);
		snd_soc_update_bits(codec, RT5640_PWR_ANLG1,
			RT5640_PWR_LM, RT5640_PWR_LM);
		snd_soc_update_bits(codec, RT5640_OUTPUT,
			RT5640_L_MUTE | RT5640_R_MUTE, 0);
		break;

	case SND_SOC_DAPM_PRE_PMD:
		snd_soc_update_bits(codec, RT5640_OUTPUT,
			RT5640_L_MUTE | RT5640_R_MUTE,
			RT5640_L_MUTE | RT5640_R_MUTE);
		snd_soc_update_bits(codec, RT5640_PWR_ANLG1,
			RT5640_PWR_LM, 0);
		break;

	default:
		return 0;
	}

	return 0;
}

static int rt5640_hp_power_event(struct snd_soc_dapm_widget *w,
			   struct snd_kcontrol *kcontrol, int event)
{
@@ -1179,13 +1208,16 @@ static const struct snd_soc_dapm_widget rt5640_dapm_widgets[] = {
		0, rt5640_spo_l_mix, ARRAY_SIZE(rt5640_spo_l_mix)),
	SND_SOC_DAPM_MIXER("SPOR MIX", SND_SOC_NOPM, 0,
		0, rt5640_spo_r_mix, ARRAY_SIZE(rt5640_spo_r_mix)),
	SND_SOC_DAPM_MIXER("LOUT MIX", RT5640_PWR_ANLG1, RT5640_PWR_LM_BIT, 0,
	SND_SOC_DAPM_MIXER("LOUT MIX", SND_SOC_NOPM, 0, 0,
		rt5640_lout_mix, ARRAY_SIZE(rt5640_lout_mix)),
	SND_SOC_DAPM_SUPPLY_S("Improve HP Amp Drv", 1, SND_SOC_NOPM,
		0, 0, rt5640_hp_power_event, SND_SOC_DAPM_POST_PMU),
	SND_SOC_DAPM_PGA_S("HP Amp", 1, SND_SOC_NOPM, 0, 0,
		rt5640_hp_event,
		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
	SND_SOC_DAPM_PGA_S("LOUT amp", 1, SND_SOC_NOPM, 0, 0,
		rt5640_lout_event,
		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
	SND_SOC_DAPM_SUPPLY("HP L Amp", RT5640_PWR_ANLG1,
		RT5640_PWR_HP_L_BIT, 0, NULL, 0),
	SND_SOC_DAPM_SUPPLY("HP R Amp", RT5640_PWR_ANLG1,
@@ -1500,8 +1532,10 @@ static const struct snd_soc_dapm_route rt5640_dapm_routes[] = {
	{"HP R Playback", "Switch", "HP Amp"},
	{"HPOL", NULL, "HP L Playback"},
	{"HPOR", NULL, "HP R Playback"},
	{"LOUTL", NULL, "LOUT MIX"},
	{"LOUTR", NULL, "LOUT MIX"},

	{"LOUT amp", NULL, "LOUT MIX"},
	{"LOUTL", NULL, "LOUT amp"},
	{"LOUTR", NULL, "LOUT amp"},
};

static const struct snd_soc_dapm_route rt5640_specific_dapm_routes[] = {