Linux-libre 4.6.2-gnu

1 files changed, 61 insertions, 30 deletions

diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index 48dbb2fde..09e8988bb 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -1217,11 +1217,14 @@ static const struct snd_soc_dapm_widget rt5640_dapm_widgets[] = {
 	SND_SOC_DAPM_MIXER("DIG MIXR", SND_SOC_NOPM, 0, 0,
 		rt5640_dig_r_mix, ARRAY_SIZE(rt5640_dig_r_mix)),
 	/* DACs */
-	SND_SOC_DAPM_DAC("DAC L1", NULL, RT5640_PWR_DIG1,
-			RT5640_PWR_DAC_L1_BIT, 0),
-	SND_SOC_DAPM_DAC("DAC R1", NULL, RT5640_PWR_DIG1,
-			RT5640_PWR_DAC_R1_BIT, 0),
-
+	SND_SOC_DAPM_DAC("DAC L1", NULL, SND_SOC_NOPM,
+			0, 0),
+	SND_SOC_DAPM_DAC("DAC R1", NULL, SND_SOC_NOPM,
+			0, 0),
+	SND_SOC_DAPM_SUPPLY("DAC L1 Power", RT5640_PWR_DIG1,
+		RT5640_PWR_DAC_L1_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("DAC R1 Power", RT5640_PWR_DIG1,
+		RT5640_PWR_DAC_R1_BIT, 0, NULL, 0),
 	/* SPK/OUT Mixer */
 	SND_SOC_DAPM_MIXER("SPK MIXL", RT5640_PWR_MIXER, RT5640_PWR_SM_L_BIT,
 		0, rt5640_spk_l_mix, ARRAY_SIZE(rt5640_spk_l_mix)),
@@ -1298,9 +1301,9 @@ static const struct snd_soc_dapm_widget rt5640_specific_dapm_widgets[] = {
 	SND_SOC_DAPM_MIXER("Stereo DAC MIXR", SND_SOC_NOPM, 0, 0,
 		rt5640_sto_dac_r_mix, ARRAY_SIZE(rt5640_sto_dac_r_mix)),
 
-	SND_SOC_DAPM_DAC("DAC R2", NULL, RT5640_PWR_DIG1, RT5640_PWR_DAC_R2_BIT,
+	SND_SOC_DAPM_DAC("DAC R2", NULL, SND_SOC_NOPM, 0,
 		0),
-	SND_SOC_DAPM_DAC("DAC L2", NULL, RT5640_PWR_DIG1, RT5640_PWR_DAC_L2_BIT,
+	SND_SOC_DAPM_DAC("DAC L2", NULL, SND_SOC_NOPM, 0,
 		0),
 
 	SND_SOC_DAPM_MIXER("OUT MIXL", RT5640_PWR_MIXER, RT5640_PWR_OM_L_BIT,
@@ -1317,6 +1320,10 @@ static const struct snd_soc_dapm_widget rt5640_specific_dapm_widgets[] = {
 		rt5640_mono_mix, ARRAY_SIZE(rt5640_mono_mix)),
 	SND_SOC_DAPM_SUPPLY("Improve MONO Amp Drv", RT5640_PWR_ANLG1,
 		RT5640_PWR_MA_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("DAC L2 Power", RT5640_PWR_DIG1,
+		RT5640_PWR_DAC_L2_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("DAC R2 Power", RT5640_PWR_DIG1,
+		RT5640_PWR_DAC_R2_BIT, 0, NULL, 0),
 
 	SND_SOC_DAPM_OUTPUT("MONOP"),
 	SND_SOC_DAPM_OUTPUT("MONON"),
@@ -1328,11 +1335,6 @@ static const struct snd_soc_dapm_widget rt5639_specific_dapm_widgets[] = {
 	SND_SOC_DAPM_MIXER("Stereo DAC MIXR", SND_SOC_NOPM, 0, 0,
 		rt5639_sto_dac_r_mix, ARRAY_SIZE(rt5639_sto_dac_r_mix)),
 
-	SND_SOC_DAPM_SUPPLY("DAC L2 Filter", RT5640_PWR_DIG1,
-		RT5640_PWR_DAC_L2_BIT, 0, NULL, 0),
-	SND_SOC_DAPM_SUPPLY("DAC R2 Filter", RT5640_PWR_DIG1,
-		RT5640_PWR_DAC_R2_BIT, 0, NULL, 0),
-
 	SND_SOC_DAPM_MIXER("OUT MIXL", RT5640_PWR_MIXER, RT5640_PWR_OM_L_BIT,
 		0, rt5639_out_l_mix, ARRAY_SIZE(rt5639_out_l_mix)),
 	SND_SOC_DAPM_MIXER("OUT MIXR", RT5640_PWR_MIXER, RT5640_PWR_OM_R_BIT,
@@ -1493,8 +1495,10 @@ static const struct snd_soc_dapm_route rt5640_dapm_routes[] = {
 
 	{"DAC MIXL", "Stereo ADC Switch", "Stereo ADC MIXL"},
 	{"DAC MIXL", "INF1 Switch", "IF1 DAC L"},
+	{"DAC MIXL", NULL, "DAC L1 Power"},
 	{"DAC MIXR", "Stereo ADC Switch", "Stereo ADC MIXR"},
 	{"DAC MIXR", "INF1 Switch", "IF1 DAC R"},
+	{"DAC MIXR", NULL, "DAC R1 Power"},
 
 	{"Stereo DAC MIXL", "DAC L1 Switch", "DAC MIXL"},
 	{"Stereo DAC MIXR", "DAC R1 Switch", "DAC MIXR"},
@@ -1507,8 +1511,10 @@ static const struct snd_soc_dapm_route rt5640_dapm_routes[] = {
 
 	{"DAC L1", NULL, "Stereo DAC MIXL"},
 	{"DAC L1", NULL, "PLL1", is_sys_clk_from_pll},
+	{"DAC L1", NULL, "DAC L1 Power"},
 	{"DAC R1", NULL, "Stereo DAC MIXR"},
 	{"DAC R1", NULL, "PLL1", is_sys_clk_from_pll},
+	{"DAC R1", NULL, "DAC R1 Power"},
 
 	{"SPK MIXL", "REC MIXL Switch", "RECMIXL"},
 	{"SPK MIXL", "INL Switch", "INL VOL"},
@@ -1595,8 +1601,9 @@ static const struct snd_soc_dapm_route rt5640_specific_dapm_routes[] = {
 
 	{"DAC L2 Mux", "IF2", "IF2 DAC L"},
 	{"DAC L2 Mux", "Base L/R", "Audio DSP"},
-
+	{"DAC L2 Mux", NULL, "DAC L2 Power"},
 	{"DAC R2 Mux", "IF2", "IF2 DAC R"},
+	{"DAC R2 Mux", NULL, "DAC R2 Power"},
 
 	{"Stereo DAC MIXL", "DAC L2 Switch", "DAC L2 Mux"},
 	{"Stereo DAC MIXL", "ANC Switch", "ANC"},
@@ -1614,8 +1621,10 @@ static const struct snd_soc_dapm_route rt5640_specific_dapm_routes[] = {
 
 	{"DAC L2", NULL, "Mono DAC MIXL"},
 	{"DAC L2", NULL, "PLL1", is_sys_clk_from_pll},
+	{"DAC L2", NULL, "DAC L2 Power"},
 	{"DAC R2", NULL, "Mono DAC MIXR"},
 	{"DAC R2", NULL, "PLL1", is_sys_clk_from_pll},
+	{"DAC R2", NULL, "DAC R2 Power"},
 
 	{"SPK MIXL", "DAC L2 Switch", "DAC L2"},
 	{"SPK MIXR", "DAC R2 Switch", "DAC R2"},
@@ -1656,8 +1665,8 @@ static const struct snd_soc_dapm_route rt5639_specific_dapm_routes[] = {
 	{"DIG MIXL", "DAC L2 Switch", "IF2 DAC L"},
 	{"DIG MIXR", "DAC R2 Switch", "IF2 DAC R"},
 
-	{"IF2 DAC L", NULL, "DAC L2 Filter"},
-	{"IF2 DAC R", NULL, "DAC R2 Filter"},
+	{"IF2 DAC L", NULL, "DAC L2 Power"},
+	{"IF2 DAC R", NULL, "DAC R2 Power"},
 };
 
 static int get_sdp_info(struct snd_soc_codec *codec, int dai_id)
@@ -1880,7 +1889,7 @@ static int rt5640_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
 	struct snd_soc_codec *codec = dai->codec;
 	struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
 	struct rl6231_pll_code pll_code;
-	int ret, dai_sel;
+	int ret;
 
 	if (source == rt5640->pll_src && freq_in == rt5640->pll_in &&
 	    freq_out == rt5640->pll_out)
@@ -1902,21 +1911,12 @@ static int rt5640_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
 			RT5640_PLL1_SRC_MASK, RT5640_PLL1_SRC_MCLK);
 		break;
 	case RT5640_PLL1_S_BCLK1:
+		snd_soc_update_bits(codec, RT5640_GLB_CLK,
+			RT5640_PLL1_SRC_MASK, RT5640_PLL1_SRC_BCLK1);
+		break;
 	case RT5640_PLL1_S_BCLK2:
-		dai_sel = get_sdp_info(codec, dai->id);
-		if (dai_sel < 0) {
-			dev_err(codec->dev,
-				"Failed to get sdp info: %d\n", dai_sel);
-			return -EINVAL;
-		}
-		if (dai_sel & RT5640_U_IF1) {
-			snd_soc_update_bits(codec, RT5640_GLB_CLK,
-				RT5640_PLL1_SRC_MASK, RT5640_PLL1_SRC_BCLK1);
-		}
-		if (dai_sel & RT5640_U_IF2) {
-			snd_soc_update_bits(codec, RT5640_GLB_CLK,
-				RT5640_PLL1_SRC_MASK, RT5640_PLL1_SRC_BCLK2);
-		}
+		snd_soc_update_bits(codec, RT5640_GLB_CLK,
+			RT5640_PLL1_SRC_MASK, RT5640_PLL1_SRC_BCLK2);
 		break;
 	default:
 		dev_err(codec->dev, "Unknown PLL source %d\n", source);
@@ -1949,7 +1949,33 @@ static int rt5640_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
 static int rt5640_set_bias_level(struct snd_soc_codec *codec,
 			enum snd_soc_bias_level level)
 {
+	struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
+	int ret;
+
 	switch (level) {
+	case SND_SOC_BIAS_ON:
+		break;
+
+	case SND_SOC_BIAS_PREPARE:
+		/*
+		 * SND_SOC_BIAS_PREPARE is called while preparing for a
+		 * transition to ON or away from ON. If current bias_level
+		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
+		 * away from ON. Disable the clock in that case, otherwise
+		 * enable it.
+		 */
+		if (IS_ERR(rt5640->mclk))
+			break;
+
+		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON) {
+			clk_disable_unprepare(rt5640->mclk);
+		} else {
+			ret = clk_prepare_enable(rt5640->mclk);
+			if (ret)
+				return ret;
+		}
+		break;
+
 	case SND_SOC_BIAS_STANDBY:
 		if (SND_SOC_BIAS_OFF == snd_soc_codec_get_bias_level(codec)) {
 			snd_soc_update_bits(codec, RT5640_PWR_ANLG1,
@@ -2088,6 +2114,11 @@ static int rt5640_probe(struct snd_soc_codec *codec)
 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 	struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
 
+	/* Check if MCLK provided */
+	rt5640->mclk = devm_clk_get(codec->dev, "mclk");
+	if (PTR_ERR(rt5640->mclk) == -EPROBE_DEFER)
+		return -EPROBE_DEFER;
+
 	rt5640->codec = codec;
 
 	snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);