From af2f010e0f12fdeb26fce502adf4b353daeb302c Mon Sep 17 00:00:00 2001
From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Date: Thu, 13 Jul 2017 15:37:48 -0500
Subject: [PATCH 1/4] ASoC: msm8916-wcd-analog: constify snd_soc_dai_ops
 structure

This structure is only stored in the ops field of a snd_soc_dai_driver
structure. That field is declared const, so snd_soc_dai_ops structures
that have this property can be declared as const also.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 sound/soc/codecs/msm8916-wcd-analog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c
index a78802920c3cc..aec1e1626993b 100644
--- a/sound/soc/codecs/msm8916-wcd-analog.c
+++ b/sound/soc/codecs/msm8916-wcd-analog.c
@@ -753,7 +753,7 @@ static void pm8916_wcd_analog_shutdown(struct snd_pcm_substream *substream,
 			    RST_CTL_DIG_SW_RST_N_MASK, 0);
 }
 
-static struct snd_soc_dai_ops pm8916_wcd_analog_dai_ops = {
+static const struct snd_soc_dai_ops pm8916_wcd_analog_dai_ops = {
 	.startup = pm8916_wcd_analog_startup,
 	.shutdown = pm8916_wcd_analog_shutdown,
 };

From 820f7541f952afa8db08ccd420f29a2c6c148709 Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date: Wed, 2 Aug 2017 15:17:46 +0200
Subject: [PATCH 2/4] ASoC: codecs: msm8916-wcd-digital: add support to
 set_sysclk

This patch adds support to set_sysclk() which can let the sound
card driver to set default mclk rate. In this case MCLK for
internal audio codec is expected to be at 9.6MHz by default.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 sound/soc/codecs/msm8916-wcd-digital.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c
index f690442af8c94..825cc7d70bb35 100644
--- a/sound/soc/codecs/msm8916-wcd-digital.c
+++ b/sound/soc/codecs/msm8916-wcd-digital.c
@@ -568,6 +568,15 @@ static int msm8916_wcd_digital_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
+static int msm8916_wcd_digital_codec_set_sysclk(struct snd_soc_codec *codec,
+						int clk_id, int source,
+						unsigned int freq, int dir)
+{
+	struct msm8916_wcd_digital_priv *p = dev_get_drvdata(codec->dev);
+
+	return clk_set_rate(p->mclk, freq);
+}
+
 static int msm8916_wcd_digital_hw_params(struct snd_pcm_substream *substream,
 					 struct snd_pcm_hw_params *params,
 					 struct snd_soc_dai *dai)
@@ -823,6 +832,7 @@ static struct snd_soc_dai_driver msm8916_wcd_digital_dai[] = {
 
 static struct snd_soc_codec_driver msm8916_wcd_digital = {
 	.probe = msm8916_wcd_digital_codec_probe,
+	.set_sysclk = msm8916_wcd_digital_codec_set_sysclk,
 	.component_driver = {
 		.controls = msm8916_wcd_digital_snd_controls,
 		.num_controls = ARRAY_SIZE(msm8916_wcd_digital_snd_controls),

From 334822a3b21f5b622ae1954915003d636186e7b0 Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date: Wed, 2 Aug 2017 15:17:47 +0200
Subject: [PATCH 3/4] ASoC: qcom: apq8016-sbc: set default mclk rate

MCLK for internal audio codec is expected to be at 9.6MHz by default.
This patch adds support to 9.6MHz to make the default case possible.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 sound/soc/qcom/apq8016_sbc.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
index d084d74682998..f07aa1e1cdfe1 100644
--- a/sound/soc/qcom/apq8016_sbc.c
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -34,13 +34,16 @@ struct apq8016_sbc_data {
 #define MIC_CTRL_QUA_WS_SLAVE_SEL_10	BIT(17)
 #define MIC_CTRL_TLMM_SCLK_EN		BIT(1)
 #define	SPKR_CTL_PRI_WS_SLAVE_SEL_11	(BIT(17) | BIT(16))
+#define DEFAULT_MCLK_RATE		9600000
 
 static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_codec *codec;
+	struct snd_soc_dai_link *dai_link = rtd->dai_link;
 	struct snd_soc_card *card = rtd->card;
 	struct apq8016_sbc_data *pdata = snd_soc_card_get_drvdata(card);
-	int rval = 0;
+	int i, rval;
 
 	switch (cpu_dai->id) {
 	case MI2S_PRIMARY:
@@ -63,12 +66,24 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
 
 	default:
 		dev_err(card->dev, "unsupported cpu dai configuration\n");
-		rval = -EINVAL;
-		break;
+		return -EINVAL;
+
+	}
 
+	for (i = 0 ; i < dai_link->num_codecs; i++) {
+		struct snd_soc_dai *dai = rtd->codec_dais[i];
+
+		codec = dai->codec;
+		/* Set default mclk for internal codec */
+		rval = snd_soc_codec_set_sysclk(codec, 0, 0, DEFAULT_MCLK_RATE,
+				       SND_SOC_CLOCK_IN);
+		if (rval != 0 && rval != -ENOTSUPP) {
+			dev_warn(card->dev, "Failed to set mclk: %d\n", rval);
+			return rval;
+		}
 	}
 
-	return rval;
+	return 0;
 }
 
 static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card)

From 3a88a3757dc654c29c87f4537053d0f3dc28d9e0 Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date: Wed, 2 Aug 2017 15:17:48 +0200
Subject: [PATCH 4/4] ASoC: codecs: msm8916-wcd-digital: add CIC filter source
 selection path

This patch fixes a missing selection of DMIC in CIC filter source path
to dapm route. Without this patch dmic is not functional.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 sound/soc/codecs/msm8916-wcd-digital.c | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c
index 825cc7d70bb35..d2993e72d1e23 100644
--- a/sound/soc/codecs/msm8916-wcd-digital.c
+++ b/sound/soc/codecs/msm8916-wcd-digital.c
@@ -218,6 +218,8 @@ static const char *const rx_mix1_text[] = {
 static const char *const dec_mux_text[] = {
 	"ZERO", "ADC1", "ADC2", "ADC3", "DMIC1", "DMIC2"
 };
+
+static const char *const cic_mux_text[] = { "AMIC", "DMIC" };
 static const char *const rx_mix2_text[] = { "ZERO", "IIR1", "IIR2" };
 static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
 
@@ -256,11 +258,21 @@ static const struct soc_enum dec1_mux_enum = SOC_ENUM_SINGLE(
 static const struct soc_enum dec2_mux_enum = SOC_ENUM_SINGLE(
 				LPASS_CDC_CONN_TX_B1_CTL, 3, 6, dec_mux_text);
 
+/* CIC */
+static const struct soc_enum cic1_mux_enum = SOC_ENUM_SINGLE(
+				LPASS_CDC_TX1_MUX_CTL, 0, 2, cic_mux_text);
+static const struct soc_enum cic2_mux_enum = SOC_ENUM_SINGLE(
+				LPASS_CDC_TX2_MUX_CTL, 0, 2, cic_mux_text);
+
 /* RDAC2 MUX */
 static const struct snd_kcontrol_new dec1_mux = SOC_DAPM_ENUM(
 				"DEC1 MUX Mux", dec1_mux_enum);
 static const struct snd_kcontrol_new dec2_mux = SOC_DAPM_ENUM(
 				"DEC2 MUX Mux",	dec2_mux_enum);
+static const struct snd_kcontrol_new cic1_mux = SOC_DAPM_ENUM(
+				"CIC1 MUX Mux", cic1_mux_enum);
+static const struct snd_kcontrol_new cic2_mux = SOC_DAPM_ENUM(
+				"CIC2 MUX Mux",	cic2_mux_enum);
 static const struct snd_kcontrol_new rx_mix1_inp1_mux = SOC_DAPM_ENUM(
 				"RX1 MIX1 INP1 Mux", rx_mix1_inp_enum[0]);
 static const struct snd_kcontrol_new rx_mix1_inp2_mux = SOC_DAPM_ENUM(
@@ -500,6 +512,8 @@ static const struct snd_soc_dapm_widget msm8916_wcd_digital_dapm_widgets[] = {
 	SND_SOC_DAPM_MUX("RX3 MIX1 INP3", SND_SOC_NOPM, 0, 0,
 			 &rx3_mix1_inp3_mux),
 
+	SND_SOC_DAPM_MUX("CIC1 MUX", SND_SOC_NOPM, 0, 0, &cic1_mux),
+	SND_SOC_DAPM_MUX("CIC2 MUX", SND_SOC_NOPM, 0, 0, &cic2_mux),
 	/* TX */
 	SND_SOC_DAPM_MIXER("ADC1", SND_SOC_NOPM, 0, 0, NULL, 0),
 	SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0),
@@ -536,6 +550,8 @@ static const struct snd_soc_dapm_widget msm8916_wcd_digital_dapm_widgets[] = {
 	/* Connectivity Clock */
 	SND_SOC_DAPM_SUPPLY_S("CDC_CONN", -2, LPASS_CDC_CLK_OTHR_CTL, 2, 0,
 			      NULL, 0),
+	SND_SOC_DAPM_MIC("Digital Mic1", NULL),
+	SND_SOC_DAPM_MIC("Digital Mic2", NULL),
 
 };
 
@@ -655,6 +671,11 @@ static const struct snd_soc_dapm_route msm8916_wcd_digital_audio_map[] = {
 	{"AIF1 Capture", NULL, "I2S TX2"},
 	{"AIF1 Capture", NULL, "I2S TX3"},
 
+	{"CIC1 MUX", "DMIC", "DEC1 MUX"},
+	{"CIC1 MUX", "AMIC", "DEC1 MUX"},
+	{"CIC2 MUX", "DMIC", "DEC2 MUX"},
+	{"CIC2 MUX", "AMIC", "DEC2 MUX"},
+
 	/* Decimator Inputs */
 	{"DEC1 MUX", "DMIC1", "DMIC1"},
 	{"DEC1 MUX", "DMIC2", "DMIC2"},
@@ -673,8 +694,8 @@ static const struct snd_soc_dapm_route msm8916_wcd_digital_audio_map[] = {
 	{"DMIC1", NULL, "DMIC_CLK"},
 	{"DMIC2", NULL, "DMIC_CLK"},
 
-	{"I2S TX1", NULL, "DEC1 MUX"},
-	{"I2S TX2", NULL, "DEC2 MUX"},
+	{"I2S TX1", NULL, "CIC1 MUX"},
+	{"I2S TX2", NULL, "CIC2 MUX"},
 
 	{"I2S TX1", NULL, "TX_I2S_CLK"},
 	{"I2S TX2", NULL, "TX_I2S_CLK"},