Merge remote-tracking branch 'asoc/topic/msm8916' into asoc-next

Documentation/devicetree/bindings/sound/dmic.txt

@@ -0,0 +1,16 @@
+Device-Tree bindings for Digital microphone (DMIC) codec
+
+This device support generic PDM digital microphone.
+
+Required properties:
+	- compatible: should be "dmic-codec".
+
+Optional properties:
+	- dmicen-gpios: GPIO specifier for dmic to control start and stop
+
+Example node:
+
+	dmic_codec: dmic@0 {
+		compatible = "dmic-codec";
+		dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
+	};

Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt

@@ -31,8 +31,22 @@ Required properties
  - vdd-cdc-io-supply: phandle to VDD_CDC_IO regulator DT node.
  - vdd-cdc-tx-rx-cx-supply: phandle to VDD_CDC_TX/RX/CX regulator DT node.
  - vdd-micbias-supply: phandle of VDD_MICBIAS supply's regulator DT node.
-
 Optional Properties:
+ - qcom,mbhc-vthreshold-low: Array of 5 threshold voltages in mV for 5 buttons
+			     detection on headset when the mbhc is powered up
+			     by internal current source, this is a low power.
+ - qcom,mbhc-vthreshold-high: Array of 5 thresold voltages in mV for 5 buttons
+			      detection on headset when mbhc is powered up
+			       from micbias.
+- qcom,micbias-lvl:  Voltage (mV) for Mic Bias
+- qcom,hphl-jack-type-normally-open: boolean, present if hphl pin on jack is a
+				     NO (Normally Open). If not specified, then
+				     its assumed that hphl pin on jack is NC
+				     (Normally Closed).
+- qcom,gnd-jack-type-normally-open: boolean, present if gnd pin on jack is
+				    NO (Normally Open). If not specified, then
+				    its assumed that gnd pin on jack is NC
+				    (Normally Closed).
 - qcom,micbias1-ext-cap: boolean, present if micbias1 has external capacitor
 			 connected.
 - qcom,micbias2-ext-cap: boolean, present if micbias2 has external capacitor
@@ -48,6 +62,8 @@ spmi_bus {
 		reg-names = "pmic-codec-core";
 		clocks = <&gcc GCC_CODEC_DIGCODEC_CLK>;
 		clock-names = "mclk";
+		qcom,mbhc-vthreshold-low = <75 150 237 450 500>;
+		qcom,mbhc-vthreshold-high = <75 150 237 450 500>;
 		interrupt-parent = <&spmi_bus>;
 		interrupts = <0x1 0xf0 0x0 IRQ_TYPE_NONE>,
 			     <0x1 0xf0 0x1 IRQ_TYPE_NONE>,

Documentation/devicetree/bindings/sound/rt274.txt

@@ -0,0 +1,33 @@
+RT274 audio CODEC
+
+This device supports I2C only.
+
+Required properties:
+
+- compatible : "realtek,rt274".
+
+- reg : The I2C address of the device.
+
+Optional properties:
+
+- interrupts : The CODEC's interrupt output.
+
+
+Pins on the device (for linking into audio routes) for RT274:
+
+  * DMIC1 Pin
+  * DMIC2 Pin
+  * MIC
+  * LINE1
+  * LINE2
+  * HPO Pin
+  * SPDIF
+  * LINE3
+
+Example:
+
+codec: rt274@1c {
+	compatible = "realtek,rt274";
+	reg = <0x1c>;
+	interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+};

sound/soc/codecs/88pm860x-codec.c

@@ -1355,7 +1355,7 @@ static struct regmap *pm860x_get_regmap(struct device *dev)
 	return pm860x->regmap;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_pm860x = {
+static const struct snd_soc_codec_driver soc_codec_dev_pm860x = {
 	.probe		= pm860x_probe,
 	.remove		= pm860x_remove,
 	.set_bias_level	= pm860x_set_bias_level,

sound/soc/codecs/Kconfig

@@ -71,7 +71,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_DA732X if I2C
 	select SND_SOC_DA9055 if I2C
 	select SND_SOC_DIO2125
-	select SND_SOC_DMIC
+	select SND_SOC_DMIC if GPIOLIB
 	select SND_SOC_ES8316 if I2C
 	select SND_SOC_ES8328_SPI if SPI_MASTER
 	select SND_SOC_ES8328_I2C if I2C
@@ -114,6 +114,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_PCM5102A
 	select SND_SOC_PCM512x_I2C if I2C
 	select SND_SOC_PCM512x_SPI if SPI_MASTER
+	select SND_SOC_RT274 if I2C
 	select SND_SOC_RT286 if I2C
 	select SND_SOC_RT298 if I2C
 	select SND_SOC_RT5514 if I2C
@@ -716,11 +717,17 @@ config SND_SOC_RL6231
 
 config SND_SOC_RL6347A
 	tristate
+	default y if SND_SOC_RT274=y
 	default y if SND_SOC_RT286=y
 	default y if SND_SOC_RT298=y
+	default m if SND_SOC_RT274=m
 	default m if SND_SOC_RT286=m
 	default m if SND_SOC_RT298=m
 
+config SND_SOC_RT274
+	tristate
+	depends on I2C
+
 config SND_SOC_RT286
 	tristate
 	depends on I2C

sound/soc/codecs/Makefile

@@ -113,6 +113,7 @@ snd-soc-pcm512x-i2c-objs := pcm512x-i2c.o
 snd-soc-pcm512x-spi-objs := pcm512x-spi.o
 snd-soc-rl6231-objs := rl6231.o
 snd-soc-rl6347a-objs := rl6347a.o
+snd-soc-rt274-objs := rt274.o
 snd-soc-rt286-objs := rt286.o
 snd-soc-rt298-objs := rt298.o
 snd-soc-rt5514-objs := rt5514.o
@@ -349,6 +350,7 @@ obj-$(CONFIG_SND_SOC_PCM512x_I2C)	+= snd-soc-pcm512x-i2c.o
 obj-$(CONFIG_SND_SOC_PCM512x_SPI)	+= snd-soc-pcm512x-spi.o
 obj-$(CONFIG_SND_SOC_RL6231)	+= snd-soc-rl6231.o
 obj-$(CONFIG_SND_SOC_RL6347A)	+= snd-soc-rl6347a.o
+obj-$(CONFIG_SND_SOC_RT274)	+= snd-soc-rt274.o
 obj-$(CONFIG_SND_SOC_RT286)	+= snd-soc-rt286.o
 obj-$(CONFIG_SND_SOC_RT298)	+= snd-soc-rt298.o
 obj-$(CONFIG_SND_SOC_RT5514)	+= snd-soc-rt5514.o

sound/soc/codecs/ab8500-codec.c

@@ -2523,7 +2523,7 @@ static int ab8500_codec_probe(struct snd_soc_codec *codec)
 	return status;
 }
 
-static struct snd_soc_codec_driver ab8500_codec_driver = {
+static const struct snd_soc_codec_driver ab8500_codec_driver = {
 	.probe =		ab8500_codec_probe,
 	.component_driver = {
 		.controls =		ab8500_ctrls,

sound/soc/codecs/ac97.c

@@ -112,7 +112,7 @@ static int ac97_soc_resume(struct snd_soc_codec *codec)
 #define ac97_soc_resume NULL
 #endif
 
-static struct snd_soc_codec_driver soc_codec_dev_ac97 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ac97 = {
 	.probe = 	ac97_soc_probe,
 	.suspend =	ac97_soc_suspend,
 	.resume =	ac97_soc_resume,

sound/soc/codecs/ad1836.c

@@ -321,7 +321,7 @@ static int ad1836_remove(struct snd_soc_codec *codec)
 		AD1836_ADC_SERFMT_MASK, 0);
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_ad1836 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ad1836 = {
 	.probe = ad1836_probe,
 	.remove = ad1836_remove,
 	.suspend = ad1836_suspend,

sound/soc/codecs/ad193x.c

@@ -408,7 +408,7 @@ static int ad193x_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_ad193x = {
+static const struct snd_soc_codec_driver soc_codec_dev_ad193x = {
 	.probe = ad193x_codec_probe,
 	.component_driver = {
 		.controls		= ad193x_snd_controls,

sound/soc/codecs/ad1980.c

@@ -295,7 +295,7 @@ static int ad1980_soc_remove(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_ad1980 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ad1980 = {
 	.probe = 	ad1980_soc_probe,
 	.remove = 	ad1980_soc_remove,
 

sound/soc/codecs/ad73311.c

@@ -54,7 +54,7 @@ static struct snd_soc_dai_driver ad73311_dai = {
 		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_ad73311 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ad73311 = {
 	.component_driver = {
 		.dapm_widgets		= ad73311_dapm_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(ad73311_dapm_widgets),

sound/soc/codecs/adau1373.c

@@ -1458,7 +1458,7 @@ static const struct regmap_config adau1373_regmap_config = {
 	.num_reg_defaults = ARRAY_SIZE(adau1373_reg_defaults),
 };
 
-static struct snd_soc_codec_driver adau1373_codec_driver = {
+static const struct snd_soc_codec_driver adau1373_codec_driver = {
 	.probe =	adau1373_probe,
 	.resume =	adau1373_resume,
 	.set_bias_level = adau1373_set_bias_level,

sound/soc/codecs/adau1701.c

@@ -757,7 +757,7 @@ static int adau1701_resume(struct snd_soc_codec *codec)
 #define adau1701_suspend 	NULL
 #endif /* CONFIG_PM */
 
-static struct snd_soc_codec_driver adau1701_codec_drv = {
+static const struct snd_soc_codec_driver adau1701_codec_drv = {
 	.probe			= adau1701_probe,
 	.remove			= adau1701_remove,
 	.resume			= adau1701_resume,

sound/soc/codecs/adau1977.c

@@ -867,7 +867,7 @@ static int adau1977_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver adau1977_codec_driver = {
+static const struct snd_soc_codec_driver adau1977_codec_driver = {
 	.probe = adau1977_codec_probe,
 	.set_bias_level = adau1977_set_bias_level,
 	.set_sysclk = adau1977_set_sysclk,

sound/soc/codecs/adav80x.c

@@ -825,7 +825,7 @@ static int adav80x_resume(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver adav80x_codec_driver = {
+static const struct snd_soc_codec_driver adav80x_codec_driver = {
 	.probe = adav80x_probe,
 	.resume = adav80x_resume,
 	.set_bias_level = adav80x_set_bias_level,

sound/soc/codecs/ads117x.c

@@ -58,7 +58,7 @@ static struct snd_soc_dai_driver ads117x_dai = {
 		.formats = ADS117X_FORMATS,},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_ads117x = {
+static const struct snd_soc_codec_driver soc_codec_dev_ads117x = {
 	.component_driver = {
 		.dapm_widgets		= ads117x_dapm_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(ads117x_dapm_widgets),

sound/soc/codecs/ak4104.c

@@ -242,7 +242,7 @@ static int ak4104_soc_resume(struct snd_soc_codec *codec)
 #define ak4104_soc_resume	NULL
 #endif /* CONFIG_PM */
 
-static struct snd_soc_codec_driver soc_codec_device_ak4104 = {
+static const struct snd_soc_codec_driver soc_codec_device_ak4104 = {
 	.probe = ak4104_probe,
 	.remove = ak4104_remove,
 	.suspend = ak4104_soc_suspend,

sound/soc/codecs/ak4535.c

@@ -390,7 +390,7 @@ static const struct regmap_config ak4535_regmap = {
 	.num_reg_defaults = ARRAY_SIZE(ak4535_reg_defaults),
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_ak4535 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ak4535 = {
 	.resume =	ak4535_resume,
 	.set_bias_level = ak4535_set_bias_level,
 	.suspend_bias_off = true,

sound/soc/codecs/ak4554.c

@@ -64,7 +64,7 @@ static struct snd_soc_dai_driver ak4554_dai = {
 	.symmetric_rates = 1,
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_ak4554 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ak4554 = {
 	.component_driver = {
 		.dapm_widgets		= ak4554_dapm_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(ak4554_dapm_widgets),

sound/soc/codecs/ak4613.c

@@ -522,7 +522,7 @@ static int ak4613_resume(struct snd_soc_codec *codec)
 	return regcache_sync(regmap);
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_ak4613 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ak4613 = {
 	.suspend		= ak4613_suspend,
 	.resume			= ak4613_resume,
 	.set_bias_level		= ak4613_set_bias_level,

sound/soc/codecs/ak4641.c

@@ -524,7 +524,7 @@ static struct snd_soc_dai_driver ak4641_dai[] = {
 },
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_ak4641 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ak4641 = {
 	.component_driver = {
 		.controls		= ak4641_snd_controls,
 		.num_controls		= ARRAY_SIZE(ak4641_snd_controls),

sound/soc/codecs/ak4642.c

@@ -550,7 +550,7 @@ static int ak4642_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_ak4642 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ak4642 = {
 	.probe			= ak4642_probe,
 	.suspend		= ak4642_suspend,
 	.resume			= ak4642_resume,

sound/soc/codecs/ak4671.c

@@ -610,7 +610,7 @@ static struct snd_soc_dai_driver ak4671_dai = {
 	.ops = &ak4671_dai_ops,
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_ak4671 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ak4671 = {
 	.set_bias_level = ak4671_set_bias_level,
 	.component_driver = {
 		.controls		= ak4671_snd_controls,

sound/soc/codecs/ak5386.c

@@ -69,7 +69,7 @@ static int ak5386_soc_resume(struct snd_soc_codec *codec)
 #define ak5386_soc_resume	NULL
 #endif /* CONFIG_PM */
 
-static struct snd_soc_codec_driver soc_codec_ak5386 = {
+static const struct snd_soc_codec_driver soc_codec_ak5386 = {
 	.probe = ak5386_soc_probe,
 	.remove = ak5386_soc_remove,
 	.suspend = ak5386_soc_suspend,

sound/soc/codecs/alc5623.c

@@ -951,7 +951,7 @@ static int alc5623_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_device_alc5623 = {
+static const struct snd_soc_codec_driver soc_codec_device_alc5623 = {
 	.probe = alc5623_probe,
 	.suspend = alc5623_suspend,
 	.resume = alc5623_resume,

sound/soc/codecs/bt-sco.c

@@ -62,7 +62,7 @@ static struct snd_soc_dai_driver bt_sco_dai[] = {
 	}
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_bt_sco = {
+static const struct snd_soc_codec_driver soc_codec_dev_bt_sco = {
 	.component_driver = {
 		.dapm_widgets		= bt_sco_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(bt_sco_widgets),

sound/soc/codecs/cq93vc.c

@@ -128,7 +128,7 @@ static struct regmap *cq93vc_get_regmap(struct device *dev)
 	return davinci_vc->regmap;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_cq93vc = {
+static const struct snd_soc_codec_driver soc_codec_dev_cq93vc = {
 	.set_bias_level = cq93vc_set_bias_level,
 	.get_regmap = cq93vc_get_regmap,
 	.component_driver = {

sound/soc/codecs/cs35l33.c

@@ -831,7 +831,7 @@ static int cs35l33_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_cs35l33 = {
+static const struct snd_soc_codec_driver soc_codec_dev_cs35l33 = {
 	.probe = cs35l33_probe,
 
 	.set_bias_level = cs35l33_set_bias_level,

sound/soc/codecs/cs35l34.c

@@ -779,7 +779,7 @@ static int cs35l34_probe(struct snd_soc_codec *codec)
 }
 
 
-static struct snd_soc_codec_driver soc_codec_dev_cs35l34 = {
+static const struct snd_soc_codec_driver soc_codec_dev_cs35l34 = {
 	.probe = cs35l34_probe,
 
 	.component_driver = {

sound/soc/codecs/cs35l35.c

@@ -1079,7 +1079,7 @@ static int cs35l35_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_cs35l35 = {
+static const struct snd_soc_codec_driver soc_codec_dev_cs35l35 = {
 	.probe = cs35l35_codec_probe,
 	.set_sysclk = cs35l35_codec_set_sysclk,
 	.component_driver = {

sound/soc/codecs/cs4271.c

@@ -639,7 +639,7 @@ static int cs4271_codec_remove(struct snd_soc_codec *codec)
 	return 0;
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_cs4271 = {
+static const struct snd_soc_codec_driver soc_codec_dev_cs4271 = {
 	.probe			= cs4271_codec_probe,
 	.remove			= cs4271_codec_remove,
 	.suspend		= cs4271_soc_suspend,

sound/soc/codecs/cs42l51.c

@@ -504,7 +504,7 @@ static int cs42l51_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_device_cs42l51 = {
+static const struct snd_soc_codec_driver soc_codec_device_cs42l51 = {
 	.probe = cs42l51_codec_probe,
 
 	.component_driver = {

sound/soc/codecs/cs4349.c

@@ -255,7 +255,7 @@ static struct snd_soc_dai_driver cs4349_dai = {
 	.symmetric_rates = 1,
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_cs4349 = {
+static const struct snd_soc_codec_driver soc_codec_dev_cs4349 = {
 	.component_driver = {
 		.controls		= cs4349_snd_controls,
 		.num_controls		= ARRAY_SIZE(cs4349_snd_controls),

sound/soc/codecs/cs47l24.c

@@ -1183,7 +1183,7 @@ static struct regmap *cs47l24_get_regmap(struct device *dev)
 	return priv->core.arizona->regmap;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_cs47l24 = {
+static const struct snd_soc_codec_driver soc_codec_dev_cs47l24 = {
 	.probe = cs47l24_codec_probe,
 	.remove = cs47l24_codec_remove,
 	.get_regmap = cs47l24_get_regmap,
@@ -1213,7 +1213,7 @@ static struct snd_compr_ops cs47l24_compr_ops = {
 	.copy = wm_adsp_compr_copy,
 };
 
-static struct snd_soc_platform_driver cs47l24_compr_platform = {
+static const struct snd_soc_platform_driver cs47l24_compr_platform = {
 	.compr_ops = &cs47l24_compr_ops,
 };
 

sound/soc/codecs/cs53l30.c

@@ -892,7 +892,7 @@ static int cs53l30_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver cs53l30_driver = {
+static const struct snd_soc_codec_driver cs53l30_driver = {
 	.probe = cs53l30_codec_probe,
 	.set_bias_level = cs53l30_set_bias_level,
 	.idle_bias_off = true,

sound/soc/codecs/cx20442.c

@@ -398,7 +398,7 @@ static int cx20442_codec_remove(struct snd_soc_codec *codec)
 
 static const u8 cx20442_reg;
 
-static struct snd_soc_codec_driver cx20442_codec_dev = {
+static const struct snd_soc_codec_driver cx20442_codec_dev = {
 	.probe = 	cx20442_codec_probe,
 	.remove = 	cx20442_codec_remove,
 	.set_bias_level = cx20442_set_bias_level,

sound/soc/codecs/da7210.c

@@ -1164,7 +1164,7 @@ static int da7210_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
+static const struct snd_soc_codec_driver soc_codec_dev_da7210 = {
 	.probe			= da7210_probe,
 
 	.component_driver = {

sound/soc/codecs/da7213.c

@@ -1787,7 +1787,7 @@ static int da7213_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_da7213 = {
+static const struct snd_soc_codec_driver soc_codec_dev_da7213 = {
 	.probe			= da7213_probe,
 	.set_bias_level		= da7213_set_bias_level,
 

sound/soc/codecs/da7218.c

@@ -3035,7 +3035,7 @@ static int da7218_resume(struct snd_soc_codec *codec)
 #define da7218_resume NULL
 #endif
 
-static struct snd_soc_codec_driver soc_codec_dev_da7218 = {
+static const struct snd_soc_codec_driver soc_codec_dev_da7218 = {
 	.probe			= da7218_probe,
 	.remove			= da7218_remove,
 	.suspend		= da7218_suspend,

sound/soc/codecs/da7219.c

@@ -1891,7 +1891,7 @@ static int da7219_resume(struct snd_soc_codec *codec)
 #define da7219_resume NULL
 #endif
 
-static struct snd_soc_codec_driver soc_codec_dev_da7219 = {
+static const struct snd_soc_codec_driver soc_codec_dev_da7219 = {
 	.probe			= da7219_probe,
 	.remove			= da7219_remove,
 	.suspend		= da7219_suspend,

sound/soc/codecs/da732x.c

@@ -1499,7 +1499,7 @@ static int da732x_set_bias_level(struct snd_soc_codec *codec,
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_da732x = {
+static const struct snd_soc_codec_driver soc_codec_dev_da732x = {
 	.set_bias_level		= da732x_set_bias_level,
 	.component_driver = {
 		.controls		= da732x_snd_controls,

sound/soc/codecs/da9055.c

@@ -1451,7 +1451,7 @@ static int da9055_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_da9055 = {
+static const struct snd_soc_codec_driver soc_codec_dev_da9055 = {
 	.probe			= da9055_probe,
 	.set_bias_level		= da9055_set_bias_level,
 

sound/soc/codecs/dmic.c

@@ -19,6 +19,8 @@
  *
  */
 
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/module.h>
@@ -27,6 +29,34 @@
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
 
+static int dmic_daiops_trigger(struct snd_pcm_substream *substream,
+		int cmd, struct snd_soc_dai *dai)
+{
+	struct gpio_desc *dmic_en = snd_soc_dai_get_drvdata(dai);
+
+	if (!dmic_en)
+		return 0;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		gpiod_set_value(dmic_en, 1);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		gpiod_set_value(dmic_en, 0);
+		break;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops dmic_dai_ops = {
+	.trigger	= dmic_daiops_trigger,
+};
+
 static struct snd_soc_dai_driver dmic_dai = {
 	.name = "dmic-hifi",
 	.capture = {
@@ -38,8 +68,23 @@ static struct snd_soc_dai_driver dmic_dai = {
 			| SNDRV_PCM_FMTBIT_S24_LE
 			| SNDRV_PCM_FMTBIT_S16_LE,
 	},
+	.ops    = &dmic_dai_ops,
 };
 
+static int dmic_codec_probe(struct snd_soc_codec *codec)
+{
+	struct gpio_desc *dmic_en;
+
+	dmic_en = devm_gpiod_get_optional(codec->dev,
+					"dmicen", GPIOD_OUT_LOW);
+	if (IS_ERR(dmic_en))
+		return PTR_ERR(dmic_en);
+
+	snd_soc_codec_set_drvdata(codec, dmic_en);
+
+	return 0;
+}
+
 static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = {
 	SND_SOC_DAPM_AIF_OUT("DMIC AIF", "Capture", 0,
 			     SND_SOC_NOPM, 0, 0),
@@ -50,7 +95,8 @@ static const struct snd_soc_dapm_route intercon[] = {
 	{"DMIC AIF", NULL, "DMic"},
 };
 
-static struct snd_soc_codec_driver soc_dmic = {
+static const struct snd_soc_codec_driver soc_dmic = {
+	.probe = dmic_codec_probe,
 	.component_driver = {
 		.dapm_widgets		= dmic_dapm_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(dmic_dapm_widgets),
@@ -73,9 +119,15 @@ static int dmic_dev_remove(struct platform_device *pdev)
 
 MODULE_ALIAS("platform:dmic-codec");
 
+static const struct of_device_id dmic_dev_match[] = {
+	{.compatible = "dmic-codec"},
+	{}
+};
+
 static struct platform_driver dmic_driver = {
 	.driver = {
 		.name = "dmic-codec",
+		.of_match_table = dmic_dev_match,
 	},
 	.probe = dmic_dev_probe,
 	.remove = dmic_dev_remove,

sound/soc/codecs/es7134.c

@@ -69,7 +69,7 @@ static const struct snd_soc_dapm_route es7134_dapm_routes[] = {
 	{ "AOUTR", NULL, "DAC" },
 };
 
-static struct snd_soc_codec_driver es7134_codec_driver = {
+static const struct snd_soc_codec_driver es7134_codec_driver = {
 	.component_driver = {
 		.dapm_widgets		= es7134_dapm_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(es7134_dapm_widgets),

sound/soc/codecs/es8316.c

@@ -554,7 +554,7 @@ static int es8316_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_es8316 = {
+static const struct snd_soc_codec_driver soc_codec_dev_es8316 = {
 	.probe		= es8316_probe,
 	.idle_bias_off	= true,
 

sound/soc/codecs/es8328.c

@@ -830,7 +830,7 @@ const struct regmap_config es8328_regmap_config = {
 };
 EXPORT_SYMBOL_GPL(es8328_regmap_config);
 
-static struct snd_soc_codec_driver es8328_codec_driver = {
+static const struct snd_soc_codec_driver es8328_codec_driver = {
 	.probe		  = es8328_codec_probe,
 	.suspend	  = es8328_suspend,
 	.resume		  = es8328_resume,

sound/soc/codecs/hdac_hdmi.c

@@ -1360,7 +1360,7 @@ static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac)
 
 }
 
-static struct snd_soc_dai_ops hdmi_dai_ops = {
+static const struct snd_soc_dai_ops hdmi_dai_ops = {
 	.startup = hdac_hdmi_pcm_open,
 	.shutdown = hdac_hdmi_pcm_close,
 	.hw_params = hdac_hdmi_set_hw_params,
@@ -1858,7 +1858,7 @@ static void hdmi_codec_complete(struct device *dev)
 #define hdmi_codec_complete NULL
 #endif
 
-static struct snd_soc_codec_driver hdmi_hda_codec = {
+static const struct snd_soc_codec_driver hdmi_hda_codec = {
 	.probe		= hdmi_codec_probe,
 	.remove		= hdmi_codec_remove,
 	.idle_bias_off	= true,

sound/soc/codecs/hdmi-codec.c

@@ -326,7 +326,7 @@ static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 static unsigned long hdmi_codec_spk_mask_from_alloc(int spk_alloc)
 {
 	int i;
-	const unsigned long hdmi_codec_eld_spk_alloc_bits[] = {
+	static const unsigned long hdmi_codec_eld_spk_alloc_bits[] = {
 		[0] = FL | FR, [1] = LFE, [2] = FC, [3] = RL | RR,
 		[4] = RC, [5] = FLC | FRC, [6] = RLC | RRC,
 	};
@@ -399,18 +399,6 @@ static int hdmi_codec_chmap_ctl_get(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
-
-static const struct snd_kcontrol_new hdmi_controls[] = {
-	{
-		.access = SNDRV_CTL_ELEM_ACCESS_READ |
-			  SNDRV_CTL_ELEM_ACCESS_VOLATILE,
-		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
-		.name = "ELD",
-		.info = hdmi_eld_ctl_info,
-		.get = hdmi_eld_ctl_get,
-	},
-};
-
 static int hdmi_codec_new_stream(struct snd_pcm_substream *substream,
 				 struct snd_soc_dai *dai)
 {
@@ -668,6 +656,16 @@ static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd,
 {
 	struct snd_soc_dai_driver *drv = dai->driver;
 	struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai);
+	struct snd_kcontrol *kctl;
+	struct snd_kcontrol_new hdmi_eld_ctl = {
+		.access	= SNDRV_CTL_ELEM_ACCESS_READ |
+			  SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+		.iface	= SNDRV_CTL_ELEM_IFACE_PCM,
+		.name	= "ELD",
+		.info	= hdmi_eld_ctl_info,
+		.get	= hdmi_eld_ctl_get,
+		.device	= rtd->pcm->device,
+	};
 	int ret;
 
 	dev_dbg(dai->dev, "%s()\n", __func__);
@@ -686,10 +684,15 @@ static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd,
 	hcp->chmap_info->chmap = hdmi_codec_stereo_chmaps;
 	hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;
 
-	return 0;
+	/* add ELD ctl with the device number corresponding to the PCM stream */
+	kctl = snd_ctl_new1(&hdmi_eld_ctl, dai->component);
+	if (!kctl)
+		return -ENOMEM;
+
+	return snd_ctl_add(rtd->card->snd_card, kctl);
 }
 
-static struct snd_soc_dai_driver hdmi_i2s_dai = {
+static const struct snd_soc_dai_driver hdmi_i2s_dai = {
 	.name = "i2s-hifi",
 	.id = DAI_ID_I2S,
 	.playback = {
@@ -730,10 +733,8 @@ static int hdmi_of_xlate_dai_id(struct snd_soc_component *component,
 	return ret;
 }
 
-static struct snd_soc_codec_driver hdmi_codec = {
+static const struct snd_soc_codec_driver hdmi_codec = {
 	.component_driver = {
-		.controls		= hdmi_controls,
-		.num_controls		= ARRAY_SIZE(hdmi_controls),
 		.dapm_widgets		= hdmi_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(hdmi_widgets),
 		.dapm_routes		= hdmi_routes,

sound/soc/codecs/ics43432.c

@@ -37,7 +37,7 @@ static struct snd_soc_dai_driver ics43432_dai = {
 	},
 };
 
-static struct snd_soc_codec_driver ics43432_codec_driver = {
+static const struct snd_soc_codec_driver ics43432_codec_driver = {
 };
 
 static int ics43432_probe(struct platform_device *pdev)

sound/soc/codecs/inno_rk3036.c

@@ -376,7 +376,7 @@ static int rk3036_codec_set_bias_level(struct snd_soc_codec *codec,
 	return 0;
 }
 
-static struct snd_soc_codec_driver rk3036_codec_driver = {
+static const struct snd_soc_codec_driver rk3036_codec_driver = {
 	.probe			= rk3036_codec_probe,
 	.remove			= rk3036_codec_remove,
 	.set_bias_level		= rk3036_codec_set_bias_level,

sound/soc/codecs/isabelle.c

@@ -1087,7 +1087,7 @@ static struct snd_soc_dai_driver isabelle_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_isabelle = {
+static const struct snd_soc_codec_driver soc_codec_dev_isabelle = {
 	.set_bias_level = isabelle_set_bias_level,
 	.component_driver = {
 		.controls		= isabelle_snd_controls,

sound/soc/codecs/jz4740.c

@@ -293,7 +293,7 @@ static int jz4740_codec_dev_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_jz4740_codec = {
+static const struct snd_soc_codec_driver soc_codec_dev_jz4740_codec = {
 	.probe = jz4740_codec_dev_probe,
 	.set_bias_level = jz4740_codec_set_bias_level,
 	.suspend_bias_off = true,

sound/soc/codecs/lm4857.c

@@ -100,7 +100,7 @@ static const struct snd_soc_dapm_route lm4857_routes[] = {
 	{ "EP", "Earpiece", "Mode" },
 };
 
-static struct snd_soc_component_driver lm4857_component_driver = {
+static const struct snd_soc_component_driver lm4857_component_driver = {
 	.controls = lm4857_controls,
 	.num_controls = ARRAY_SIZE(lm4857_controls),
 	.dapm_widgets = lm4857_dapm_widgets,

sound/soc/codecs/lm49453.c

@@ -1389,7 +1389,7 @@ static struct snd_soc_dai_driver lm49453_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_lm49453 = {
+static const struct snd_soc_codec_driver soc_codec_dev_lm49453 = {
 	.set_bias_level = lm49453_set_bias_level,
 	.component_driver = {
 		.controls		= lm49453_snd_controls,

sound/soc/codecs/max9768.c

@@ -151,7 +151,7 @@ static int max9768_probe(struct snd_soc_component *component)
 	return 0;
 }
 
-static struct snd_soc_component_driver max9768_component_driver = {
+static const struct snd_soc_component_driver max9768_component_driver = {
 	.probe = max9768_probe,
 	.controls = max9768_volume,
 	.num_controls = ARRAY_SIZE(max9768_volume),

sound/soc/codecs/max98088.c

@@ -1698,7 +1698,7 @@ static int max98088_remove(struct snd_soc_codec *codec)
        return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_max98088 = {
+static const struct snd_soc_codec_driver soc_codec_dev_max98088 = {
 	.probe   = max98088_probe,
 	.remove  = max98088_remove,
 	.set_bias_level = max98088_set_bias_level,

sound/soc/codecs/max98090.c

@@ -2499,7 +2499,7 @@ static void max98090_seq_notifier(struct snd_soc_dapm_context *dapm,
 	}
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_max98090 = {
+static const struct snd_soc_codec_driver soc_codec_dev_max98090 = {
 	.probe   = max98090_probe,
 	.remove  = max98090_remove,
 	.seq_notifier = max98090_seq_notifier,

sound/soc/codecs/max98095.c

@@ -2102,7 +2102,7 @@ static int max98095_remove(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_max98095 = {
+static const struct snd_soc_codec_driver soc_codec_dev_max98095 = {
 	.probe   = max98095_probe,
 	.remove  = max98095_remove,
 	.suspend = max98095_suspend,

sound/soc/codecs/max98357a.c

@@ -72,7 +72,7 @@ static int max98357a_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver max98357a_codec_driver = {
+static const struct snd_soc_codec_driver max98357a_codec_driver = {
 	.probe			= max98357a_codec_probe,
 	.component_driver = {
 		.dapm_widgets		= max98357a_dapm_widgets,

sound/soc/codecs/max9850.c

@@ -301,7 +301,7 @@ static int max9850_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_max9850 = {
+static const struct snd_soc_codec_driver soc_codec_dev_max9850 = {
 	.probe =	max9850_probe,
 	.set_bias_level = max9850_set_bias_level,
 	.suspend_bias_off = true,

sound/soc/codecs/max9860.c

@@ -534,7 +534,7 @@ static int max9860_set_bias_level(struct snd_soc_codec *codec,
 	return 0;
 }
 
-static struct snd_soc_codec_driver max9860_codec_driver = {
+static const struct snd_soc_codec_driver max9860_codec_driver = {
 	.set_bias_level = max9860_set_bias_level,
 	.idle_bias_off = true,
 

sound/soc/codecs/max9867.c

@@ -413,7 +413,7 @@ static int max9867_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver max9867_codec = {
+static const struct snd_soc_codec_driver max9867_codec = {
 	.probe = max9867_probe,
 	.component_driver = {
 		.controls		= max9867_snd_controls,

sound/soc/codecs/max98926.c

@@ -496,7 +496,7 @@ static int max98926_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_max98926 = {
+static const struct snd_soc_codec_driver soc_codec_dev_max98926 = {
 	.probe	= max98926_probe,
 	.component_driver = {
 		.controls		= max98926_snd_controls,

sound/soc/codecs/mc13783.c

@@ -733,7 +733,7 @@ static struct regmap *mc13783_get_regmap(struct device *dev)
 	return dev_get_regmap(dev->parent, NULL);
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_mc13783 = {
+static const struct snd_soc_codec_driver soc_codec_dev_mc13783 = {
 	.probe		= mc13783_probe,
 	.remove		= mc13783_remove,
 	.get_regmap	= mc13783_get_regmap,

sound/soc/codecs/ml26124.c

@@ -537,7 +537,7 @@ static int ml26124_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_ml26124 = {
+static const struct snd_soc_codec_driver soc_codec_dev_ml26124 = {
 	.probe =	ml26124_probe,
 	.set_bias_level = ml26124_set_bias_level,
 	.suspend_bias_off = true,

sound/soc/codecs/msm8916-wcd-analog.c

@@ -12,9 +12,16 @@
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/tlv.h>
+#include <sound/jack.h>
 
 #define CDC_D_REVISION1			(0xf000)
 #define CDC_D_PERPH_SUBTYPE		(0xf005)
+#define CDC_D_INT_EN_SET		(0x015)
+#define CDC_D_INT_EN_CLR		(0x016)
+#define MBHC_SWITCH_INT			BIT(7)
+#define MBHC_MIC_ELECTRICAL_INS_REM_DET	BIT(6)
+#define MBHC_BUTTON_PRESS_DET		BIT(5)
+#define MBHC_BUTTON_RELEASE_DET		BIT(4)
 #define CDC_D_CDC_RST_CTL		(0xf046)
 #define RST_CTL_DIG_SW_RST_N_MASK	BIT(7)
 #define RST_CTL_DIG_SW_RST_N_RESET	0
@@ -37,6 +44,8 @@
 #define DIG_CLK_CTL_RXD1_CLK_EN		BIT(0)
 #define DIG_CLK_CTL_RXD2_CLK_EN		BIT(1)
 #define DIG_CLK_CTL_RXD3_CLK_EN		BIT(2)
+#define DIG_CLK_CTL_D_MBHC_CLK_EN_MASK	BIT(3)
+#define DIG_CLK_CTL_D_MBHC_CLK_EN	BIT(3)
 #define DIG_CLK_CTL_TXD_CLK_EN		BIT(4)
 #define DIG_CLK_CTL_NCP_CLK_EN_MASK	BIT(6)
 #define DIG_CLK_CTL_NCP_CLK_EN		BIT(6)
@@ -93,8 +102,12 @@
 #define MICB_1_EN_TX3_GND_SEL_TX_GND	0
 
 #define CDC_A_MICB_1_VAL		(0xf141)
+#define MICB_MIN_VAL 1600
+#define MICB_STEP_SIZE 50
+#define MICB_VOLTAGE_REGVAL(v)		((v - MICB_MIN_VAL)/MICB_STEP_SIZE)
 #define MICB_1_VAL_MICB_OUT_VAL_MASK	GENMASK(7, 3)
 #define MICB_1_VAL_MICB_OUT_VAL_V2P70V	((0x16)  << 3)
+#define MICB_1_VAL_MICB_OUT_VAL_V1P80V	((0x4)  << 3)
 #define CDC_A_MICB_1_CTL		(0xf142)
 
 #define MICB_1_CTL_CFILT_REF_SEL_MASK		BIT(1)
@@ -128,8 +141,51 @@
 #define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_GND	0
 
 #define CDC_A_MICB_2_EN			(0xf144)
+#define CDC_A_MICB_2_EN_ENABLE		BIT(7)
+#define CDC_A_MICB_2_PULL_DOWN_EN_MASK	BIT(5)
+#define CDC_A_MICB_2_PULL_DOWN_EN	BIT(5)
 #define CDC_A_TX_1_2_ATEST_CTL_2	(0xf145)
 #define CDC_A_MASTER_BIAS_CTL		(0xf146)
+#define CDC_A_MBHC_DET_CTL_1		(0xf147)
+#define CDC_A_MBHC_DET_CTL_L_DET_EN			BIT(7)
+#define CDC_A_MBHC_DET_CTL_GND_DET_EN			BIT(6)
+#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION	BIT(5)
+#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_REMOVAL	(0)
+#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK		BIT(5)
+#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT		(5)
+#define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO		BIT(4)
+#define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MANUAL		BIT(3)
+#define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MASK		GENMASK(4, 3)
+#define CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN			BIT(2)
+#define CDC_A_MBHC_DET_CTL_2		(0xf150)
+#define CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0	(BIT(7) | BIT(6))
+#define CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD	BIT(5)
+#define CDC_A_PLUG_TYPE_MASK				GENMASK(4, 3)
+#define CDC_A_HPHL_PLUG_TYPE_NO				BIT(4)
+#define CDC_A_GND_PLUG_TYPE_NO				BIT(3)
+#define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN_MASK	BIT(0)
+#define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN		BIT(0)
+#define CDC_A_MBHC_FSM_CTL		(0xf151)
+#define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN			BIT(7)
+#define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK		BIT(7)
+#define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA	(0x3 << 4)
+#define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK		GENMASK(6, 4)
+#define CDC_A_MBHC_DBNC_TIMER		(0xf152)
+#define CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS		BIT(3)
+#define CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS	(0x9 << 4)
+#define CDC_A_MBHC_BTN0_ZDET_CTL_0	(0xf153)
+#define CDC_A_MBHC_BTN1_ZDET_CTL_1	(0xf154)
+#define CDC_A_MBHC_BTN2_ZDET_CTL_2	(0xf155)
+#define CDC_A_MBHC_BTN3_CTL		(0xf156)
+#define CDC_A_MBHC_BTN4_CTL		(0xf157)
+#define CDC_A_MBHC_BTN_VREF_FINE_SHIFT	(2)
+#define CDC_A_MBHC_BTN_VREF_FINE_MASK	GENMASK(4, 2)
+#define CDC_A_MBHC_BTN_VREF_COARSE_MASK	GENMASK(7, 5)
+#define CDC_A_MBHC_BTN_VREF_COARSE_SHIFT (5)
+#define CDC_A_MBHC_BTN_VREF_MASK	(CDC_A_MBHC_BTN_VREF_COARSE_MASK | \
+					CDC_A_MBHC_BTN_VREF_FINE_MASK)
+#define CDC_A_MBHC_RESULT_1		(0xf158)
+#define CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK	GENMASK(4, 0)
 #define CDC_A_TX_1_EN			(0xf160)
 #define CDC_A_TX_2_EN			(0xf161)
 #define CDC_A_TX_1_2_TEST_CTL_1		(0xf162)
@@ -213,18 +269,37 @@
 #define MSM8916_WCD_ANALOG_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
 				    SNDRV_PCM_FMTBIT_S24_LE)
 
+static int btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+	       SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_BTN_4;
+static int hs_jack_mask = SND_JACK_HEADPHONE | SND_JACK_HEADSET;
+
 static const char * const supply_names[] = {
 	"vdd-cdc-io",
 	"vdd-cdc-tx-rx-cx",
 };
 
+#define MBHC_MAX_BUTTONS	(5)
+
 struct pm8916_wcd_analog_priv {
 	u16 pmic_rev;
 	u16 codec_version;
+	bool	mbhc_btn_enabled;
+	/* special event to detect accessory type */
+	bool	mbhc_btn0_pressed;
+	bool	detect_accessory_type;
 	struct clk *mclk;
+	struct snd_soc_codec *codec;
 	struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
+	struct snd_soc_jack *jack;
+	bool hphl_jack_type_normally_open;
+	bool gnd_jack_type_normally_open;
+	/* Voltage threshold when internal current source of 100uA is used */
+	u32 vref_btn_cs[MBHC_MAX_BUTTONS];
+	/* Voltage threshold when microphone bias is ON */
+	u32 vref_btn_micb[MBHC_MAX_BUTTONS];
 	unsigned int micbias1_cap_mode;
 	unsigned int micbias2_cap_mode;
+	unsigned int micbias_mv;
 };
 
 static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
@@ -265,18 +340,25 @@ static const struct snd_kcontrol_new pm8916_wcd_analog_snd_controls[] = {
 
 static void pm8916_wcd_analog_micbias_enable(struct snd_soc_codec *codec)
 {
+	struct pm8916_wcd_analog_priv *wcd = snd_soc_codec_get_drvdata(codec);
+
 	snd_soc_update_bits(codec, CDC_A_MICB_1_CTL,
 			    MICB_1_CTL_EXT_PRECHARG_EN_MASK |
 			    MICB_1_CTL_INT_PRECHARG_BYP_MASK,
 			    MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL
 			    | MICB_1_CTL_EXT_PRECHARG_EN_ENABLE);
 
-	snd_soc_write(codec, CDC_A_MICB_1_VAL, MICB_1_VAL_MICB_OUT_VAL_V2P70V);
+	if (wcd->micbias_mv) {
-	/*
+		snd_soc_write(codec, CDC_A_MICB_1_VAL,
-	 * Special headset needs MICBIAS as 2.7V so wait for
+			      MICB_VOLTAGE_REGVAL(wcd->micbias_mv));
-	 * 50 msec for the MICBIAS to reach 2.7 volts.
+		/*
-	 */
+		 * Special headset needs MICBIAS as 2.7V so wait for
-	msleep(50);
+		 * 50 msec for the MICBIAS to reach 2.7 volts.
+		 */
+		if (wcd->micbias_mv >= 2700)
+			msleep(50);
+	}
+
 	snd_soc_update_bits(codec, CDC_A_MICB_1_CTL,
 			    MICB_1_CTL_EXT_PRECHARG_EN_MASK |
 			    MICB_1_CTL_INT_PRECHARG_BYP_MASK, 0);
@@ -361,6 +443,97 @@ static int pm8916_wcd_analog_enable_micbias_int1(struct
 						     wcd->micbias1_cap_mode);
 }
 
+static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd)
+{
+	struct snd_soc_codec *codec = wcd->codec;
+	u32 plug_type = 0;
+	u32 int_en_mask;
+
+	snd_soc_write(codec, CDC_A_MBHC_DET_CTL_1,
+		      CDC_A_MBHC_DET_CTL_L_DET_EN |
+		      CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION |
+		      CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO |
+		      CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN);
+
+	if (wcd->hphl_jack_type_normally_open)
+		plug_type |= CDC_A_HPHL_PLUG_TYPE_NO;
+
+	if (wcd->gnd_jack_type_normally_open)
+		plug_type |= CDC_A_GND_PLUG_TYPE_NO;
+
+	snd_soc_write(codec, CDC_A_MBHC_DET_CTL_2,
+		      CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 |
+		      CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD |
+		      plug_type |
+		      CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN);
+
+
+	snd_soc_write(codec, CDC_A_MBHC_DBNC_TIMER,
+		      CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS |
+		      CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS);
+
+	/* enable MBHC clock */
+	snd_soc_update_bits(codec, CDC_D_CDC_DIG_CLK_CTL,
+			    DIG_CLK_CTL_D_MBHC_CLK_EN_MASK,
+			    DIG_CLK_CTL_D_MBHC_CLK_EN);
+
+	int_en_mask = MBHC_SWITCH_INT;
+	if (wcd->mbhc_btn_enabled)
+		int_en_mask |= MBHC_BUTTON_PRESS_DET | MBHC_BUTTON_RELEASE_DET;
+
+	snd_soc_update_bits(codec, CDC_D_INT_EN_CLR, int_en_mask, 0);
+	snd_soc_update_bits(codec, CDC_D_INT_EN_SET, int_en_mask, int_en_mask);
+	wcd->mbhc_btn0_pressed = false;
+	wcd->detect_accessory_type = true;
+}
+
+static int pm8916_mbhc_configure_bias(struct pm8916_wcd_analog_priv *priv,
+				      bool micbias2_enabled)
+{
+	struct snd_soc_codec *codec = priv->codec;
+	u32 coarse, fine, reg_val, reg_addr;
+	int *vrefs, i;
+
+	if (!micbias2_enabled) { /* use internal 100uA Current source */
+		/* Enable internal 2.2k Internal Rbias Resistor */
+		snd_soc_update_bits(codec, CDC_A_MICB_1_INT_RBIAS,
+				    MICB_1_INT_TX2_INT_RBIAS_EN_MASK,
+				    MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE);
+		/* Remove pull down on MIC BIAS2 */
+		snd_soc_update_bits(codec, CDC_A_MICB_2_EN,
+				   CDC_A_MICB_2_PULL_DOWN_EN_MASK,
+				   0);
+		/* enable 100uA internal current source */
+		snd_soc_update_bits(codec, CDC_A_MBHC_FSM_CTL,
+				    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK,
+				    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA);
+	}
+	snd_soc_update_bits(codec, CDC_A_MBHC_FSM_CTL,
+			CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK,
+			CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN);
+
+	if (micbias2_enabled)
+		vrefs = &priv->vref_btn_micb[0];
+	else
+		vrefs = &priv->vref_btn_cs[0];
+
+	/* program vref ranges for all the buttons */
+	reg_addr = CDC_A_MBHC_BTN0_ZDET_CTL_0;
+	for (i = 0; i <  MBHC_MAX_BUTTONS; i++) {
+		/* split mv in to coarse parts of 100mv & fine parts of 12mv */
+		coarse = (vrefs[i] / 100);
+		fine = ((vrefs[i] % 100) / 12);
+		reg_val = (coarse << CDC_A_MBHC_BTN_VREF_COARSE_SHIFT) |
+			 (fine << CDC_A_MBHC_BTN_VREF_FINE_SHIFT);
+		snd_soc_update_bits(codec, reg_addr,
+			       CDC_A_MBHC_BTN_VREF_MASK,
+			       reg_val);
+		reg_addr++;
+	}
+
+	return 0;
+}
+
 static int pm8916_wcd_analog_enable_micbias_int2(struct
 						  snd_soc_dapm_widget
 						  *w, struct snd_kcontrol
@@ -369,6 +542,15 @@ static int pm8916_wcd_analog_enable_micbias_int2(struct
 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 	struct pm8916_wcd_analog_priv *wcd = snd_soc_codec_get_drvdata(codec);
 
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		pm8916_mbhc_configure_bias(wcd, true);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		pm8916_mbhc_configure_bias(wcd, false);
+		break;
+	}
+
 	return pm8916_wcd_analog_enable_micbias_int(codec, event, w->reg,
 						     wcd->micbias2_cap_mode);
 }
@@ -536,6 +718,14 @@ static int pm8916_wcd_analog_probe(struct snd_soc_codec *codec)
 		snd_soc_write(codec, wcd_reg_defaults_2_0[reg].reg,
 			      wcd_reg_defaults_2_0[reg].def);
 
+	priv->codec = codec;
+
+	snd_soc_update_bits(codec, CDC_D_CDC_RST_CTL,
+			    RST_CTL_DIG_SW_RST_N_MASK,
+			    RST_CTL_DIG_SW_RST_N_REMOVE_RESET);
+
+	pm8916_wcd_setup_mbhc(priv);
+
 	return 0;
 }
 
@@ -543,6 +733,9 @@ static int pm8916_wcd_analog_remove(struct snd_soc_codec *codec)
 {
 	struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(codec->dev);
 
+	snd_soc_update_bits(codec, CDC_D_CDC_RST_CTL,
+			    RST_CTL_DIG_SW_RST_N_MASK, 0);
+
 	return regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
 				      priv->supplies);
 }
@@ -731,32 +924,129 @@ static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = {
 	SND_SOC_DAPM_SUPPLY("A_MCLK2", CDC_D_CDC_TOP_CLK_CTL, 3, 0, NULL, 0),
 };
 
+static int pm8916_wcd_analog_set_jack(struct snd_soc_codec *codec,
+				      struct snd_soc_jack *jack,
+				      void *data)
+{
+	struct pm8916_wcd_analog_priv *wcd = snd_soc_codec_get_drvdata(codec);
+
+	wcd->jack = jack;
+
+	return 0;
+}
+
 static struct regmap *pm8916_get_regmap(struct device *dev)
 {
 	return dev_get_regmap(dev->parent, NULL);
 }
 
-static int pm8916_wcd_analog_startup(struct snd_pcm_substream *substream,
+static irqreturn_t mbhc_btn_release_irq_handler(int irq, void *arg)
-				      struct snd_soc_dai *dai)
 {
-	snd_soc_update_bits(dai->codec, CDC_D_CDC_RST_CTL,
+	struct pm8916_wcd_analog_priv *priv = arg;
-			    RST_CTL_DIG_SW_RST_N_MASK,
-			    RST_CTL_DIG_SW_RST_N_REMOVE_RESET);
 
-	return 0;
+	if (priv->detect_accessory_type) {
+		struct snd_soc_codec *codec = priv->codec;
+		u32 val = snd_soc_read(codec, CDC_A_MBHC_RESULT_1);
+
+		/* check if its BTN0 thats released */
+		if ((val != -1) && !(val & CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK))
+			priv->mbhc_btn0_pressed = false;
+
+	} else {
+		snd_soc_jack_report(priv->jack, 0, btn_mask);
+	}
+
+	return IRQ_HANDLED;
 }
 
-static void pm8916_wcd_analog_shutdown(struct snd_pcm_substream *substream,
+static irqreturn_t mbhc_btn_press_irq_handler(int irq, void *arg)
-					 struct snd_soc_dai *dai)
 {
-	snd_soc_update_bits(dai->codec, CDC_D_CDC_RST_CTL,
+	struct pm8916_wcd_analog_priv *priv = arg;
-			    RST_CTL_DIG_SW_RST_N_MASK, 0);
+	struct snd_soc_codec *codec = priv->codec;
+	u32 btn_result;
+
+	btn_result = snd_soc_read(codec, CDC_A_MBHC_RESULT_1) &
+				  CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK;
+
+	switch (btn_result) {
+	case 0xf:
+		snd_soc_jack_report(priv->jack, SND_JACK_BTN_4, btn_mask);
+		break;
+	case 0x7:
+		snd_soc_jack_report(priv->jack, SND_JACK_BTN_3, btn_mask);
+		break;
+	case 0x3:
+		snd_soc_jack_report(priv->jack, SND_JACK_BTN_2, btn_mask);
+		break;
+	case 0x1:
+		snd_soc_jack_report(priv->jack, SND_JACK_BTN_1, btn_mask);
+		break;
+	case 0x0:
+		/* handle BTN_0 specially for type detection */
+		if (priv->detect_accessory_type)
+			priv->mbhc_btn0_pressed = true;
+		else
+			snd_soc_jack_report(priv->jack,
+					    SND_JACK_BTN_0, btn_mask);
+		break;
+	default:
+		dev_err(codec->dev,
+			"Unexpected button press result (%x)", btn_result);
+		break;
+	}
+
+	return IRQ_HANDLED;
 }
 
-static struct snd_soc_dai_ops pm8916_wcd_analog_dai_ops = {
+
-	.startup = pm8916_wcd_analog_startup,
+static irqreturn_t pm8916_mbhc_switch_irq_handler(int irq, void *arg)
-	.shutdown = pm8916_wcd_analog_shutdown,
+{
-};
+	struct pm8916_wcd_analog_priv *priv = arg;
+	struct snd_soc_codec *codec = priv->codec;
+	bool ins = false;
+
+	if (snd_soc_read(codec, CDC_A_MBHC_DET_CTL_1) &
+				CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK)
+		ins = true;
+
+	/* Set the detection type appropriately */
+	snd_soc_update_bits(codec, CDC_A_MBHC_DET_CTL_1,
+			    CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK,
+			    (!ins << CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT));
+
+
+	if (ins) { /* hs insertion */
+		bool micbias_enabled = false;
+
+		if (snd_soc_read(codec, CDC_A_MICB_2_EN) &
+				CDC_A_MICB_2_EN_ENABLE)
+			micbias_enabled = true;
+
+		pm8916_mbhc_configure_bias(priv, micbias_enabled);
+
+		/*
+		 * if only a btn0 press event is receive just before
+		 * insert event then its a 3 pole headphone else if
+		 * both press and release event received then its
+		 * a headset.
+		 */
+		if (priv->mbhc_btn0_pressed)
+			snd_soc_jack_report(priv->jack,
+					    SND_JACK_HEADPHONE, hs_jack_mask);
+		else
+			snd_soc_jack_report(priv->jack,
+					    SND_JACK_HEADSET, hs_jack_mask);
+
+		priv->detect_accessory_type = false;
+
+	} else { /* removal */
+		snd_soc_jack_report(priv->jack, 0, hs_jack_mask);
+		priv->detect_accessory_type = true;
+		priv->mbhc_btn0_pressed = false;
+	}
+
+	return IRQ_HANDLED;
+}
 
 static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = {
 	[0] = {
@@ -769,7 +1059,6 @@ static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = {
 			    .channels_min = 1,
 			    .channels_max = 3,
 			    },
-	       .ops = &pm8916_wcd_analog_dai_ops,
 	       },
 	[1] = {
 	       .name = "pm8916_wcd_analog_pdm_tx",
@@ -781,13 +1070,13 @@ static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = {
 			   .channels_min = 1,
 			   .channels_max = 4,
 			   },
-	       .ops = &pm8916_wcd_analog_dai_ops,
 	       },
 };
 
-static struct snd_soc_codec_driver pm8916_wcd_analog = {
+static const struct snd_soc_codec_driver pm8916_wcd_analog = {
 	.probe = pm8916_wcd_analog_probe,
 	.remove = pm8916_wcd_analog_remove,
+	.set_jack = pm8916_wcd_analog_set_jack,
 	.get_regmap = pm8916_get_regmap,
 	.component_driver = {
 		.controls = pm8916_wcd_analog_snd_controls,
@@ -802,6 +1091,7 @@ static struct snd_soc_codec_driver pm8916_wcd_analog = {
 static int pm8916_wcd_analog_parse_dt(struct device *dev,
 				       struct pm8916_wcd_analog_priv *priv)
 {
+	int rval;
 
 	if (of_property_read_bool(dev->of_node, "qcom,micbias1-ext-cap"))
 		priv->micbias1_cap_mode = MICB_1_EN_EXT_BYP_CAP;
@@ -813,6 +1103,42 @@ static int pm8916_wcd_analog_parse_dt(struct device *dev,
 	else
 		priv->micbias2_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;
 
+	of_property_read_u32(dev->of_node, "qcom,micbias-lvl",
+			     &priv->micbias_mv);
+
+	if (of_property_read_bool(dev->of_node,
+				  "qcom,hphl-jack-type-normally-open"))
+		priv->hphl_jack_type_normally_open = true;
+	else
+		priv->hphl_jack_type_normally_open = false;
+
+	if (of_property_read_bool(dev->of_node,
+				  "qcom,gnd-jack-type-normally-open"))
+		priv->gnd_jack_type_normally_open = true;
+	else
+		priv->gnd_jack_type_normally_open = false;
+
+	priv->mbhc_btn_enabled = true;
+	rval = of_property_read_u32_array(dev->of_node,
+					  "qcom,mbhc-vthreshold-low",
+					  &priv->vref_btn_cs[0],
+					  MBHC_MAX_BUTTONS);
+	if (rval < 0) {
+		priv->mbhc_btn_enabled = false;
+	} else {
+		rval = of_property_read_u32_array(dev->of_node,
+						  "qcom,mbhc-vthreshold-high",
+						  &priv->vref_btn_micb[0],
+						  MBHC_MAX_BUTTONS);
+		if (rval < 0)
+			priv->mbhc_btn_enabled = false;
+	}
+
+	if (!priv->mbhc_btn_enabled)
+		dev_err(dev,
+			"DT property missing, MBHC btn detection disabled\n");
+
+
 	return 0;
 }
 
@@ -820,7 +1146,7 @@ static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
 {
 	struct pm8916_wcd_analog_priv *priv;
 	struct device *dev = &pdev->dev;
-	int ret, i;
+	int ret, i, irq;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -852,6 +1178,48 @@ static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	irq = platform_get_irq_byname(pdev, "mbhc_switch_int");
+	if (irq < 0) {
+		dev_err(dev, "failed to get mbhc switch irq\n");
+		return irq;
+	}
+
+	ret = devm_request_irq(dev, irq, pm8916_mbhc_switch_irq_handler,
+			       IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+			       IRQF_ONESHOT,
+			       "mbhc switch irq", priv);
+	if (ret)
+		dev_err(dev, "cannot request mbhc switch irq\n");
+
+	if (priv->mbhc_btn_enabled) {
+		irq = platform_get_irq_byname(pdev, "mbhc_but_press_det");
+		if (irq < 0) {
+			dev_err(dev, "failed to get button press irq\n");
+			return irq;
+		}
+
+		ret = devm_request_irq(dev, irq, mbhc_btn_press_irq_handler,
+				       IRQF_TRIGGER_RISING |
+				       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+				       "mbhc btn press irq", priv);
+		if (ret)
+			dev_err(dev, "cannot request mbhc button press irq\n");
+
+		irq = platform_get_irq_byname(pdev, "mbhc_but_rel_det");
+		if (irq < 0) {
+			dev_err(dev, "failed to get button release irq\n");
+			return irq;
+		}
+
+		ret = devm_request_irq(dev, irq, mbhc_btn_release_irq_handler,
+				       IRQF_TRIGGER_RISING |
+				       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+				       "mbhc btn release irq", priv);
+		if (ret)
+			dev_err(dev, "cannot request mbhc button release irq\n");
+
+	}
+
 	dev_set_drvdata(dev, priv);
 
 	return snd_soc_register_codec(dev, &pm8916_wcd_analog,

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),
 
 };
 
@@ -568,6 +584,15 @@ 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)
@@ -646,6 +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"},
@@ -664,8 +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 TX1", NULL, "CIC1 MUX"},
-	{"I2S TX2", NULL, "DEC2 MUX"},
+	{"I2S TX2", NULL, "CIC2 MUX"},
 
 	{"I2S TX1", NULL, "TX_I2S_CLK"},
 	{"I2S TX2", NULL, "TX_I2S_CLK"},
@@ -788,7 +818,7 @@ static void msm8916_wcd_digital_shutdown(struct snd_pcm_substream *substream,
 			    LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK, 0);
 }
 
-static struct snd_soc_dai_ops msm8916_wcd_digital_dai_ops = {
+static const struct snd_soc_dai_ops msm8916_wcd_digital_dai_ops = {
 	.startup = msm8916_wcd_digital_startup,
 	.shutdown = msm8916_wcd_digital_shutdown,
 	.hw_params = msm8916_wcd_digital_hw_params,
@@ -821,8 +851,9 @@ static struct snd_soc_dai_driver msm8916_wcd_digital_dai[] = {
 	       },
 };
 
-static struct snd_soc_codec_driver msm8916_wcd_digital = {
+static const 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),

sound/soc/codecs/nau8540.c

@@ -735,7 +735,7 @@ static int __maybe_unused nau8540_resume(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver nau8540_codec_driver = {
+static const struct snd_soc_codec_driver nau8540_codec_driver = {
 	.set_sysclk = nau8540_set_sysclk,
 	.set_pll = nau8540_set_pll,
 	.suspend = nau8540_suspend,

sound/soc/codecs/nau8810.c

@@ -808,7 +808,7 @@ static const struct regmap_config nau8810_regmap_config = {
 	.num_reg_defaults = ARRAY_SIZE(nau8810_reg_defaults),
 };
 
-static struct snd_soc_codec_driver nau8810_codec_driver = {
+static const struct snd_soc_codec_driver nau8810_codec_driver = {
 	.set_bias_level = nau8810_set_bias_level,
 	.suspend_bias_off = true,
 

sound/soc/codecs/nau8824.c

@@ -1469,7 +1469,7 @@ static int __maybe_unused nau8824_resume(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver nau8824_codec_driver = {
+static const struct snd_soc_codec_driver nau8824_codec_driver = {
 	.probe = nau8824_codec_probe,
 	.set_sysclk = nau8824_set_sysclk,
 	.set_pll = nau8824_set_pll,

sound/soc/codecs/nau8825.c

@@ -2388,7 +2388,7 @@ static int __maybe_unused nau8825_resume(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver nau8825_codec_driver = {
+static const struct snd_soc_codec_driver nau8825_codec_driver = {
 	.probe = nau8825_codec_probe,
 	.remove = nau8825_codec_remove,
 	.set_sysclk = nau8825_set_sysclk,

sound/soc/codecs/pcm1681.c

@@ -288,7 +288,7 @@ static const struct regmap_config pcm1681_regmap = {
 	.readable_reg		= pcm1681_accessible_reg,
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_pcm1681 = {
+static const struct snd_soc_codec_driver soc_codec_dev_pcm1681 = {
 	.component_driver = {
 		.controls		= pcm1681_controls,
 		.num_controls		= ARRAY_SIZE(pcm1681_controls),

sound/soc/codecs/pcm179x.c

@@ -205,7 +205,7 @@ const struct regmap_config pcm179x_regmap_config = {
 };
 EXPORT_SYMBOL_GPL(pcm179x_regmap_config);
 
-static struct snd_soc_codec_driver soc_codec_dev_pcm179x = {
+static const struct snd_soc_codec_driver soc_codec_dev_pcm179x = {
 	.component_driver = {
 		.controls		= pcm179x_controls,
 		.num_controls		= ARRAY_SIZE(pcm179x_controls),

sound/soc/codecs/pcm3008.c

@@ -98,7 +98,7 @@ static struct snd_soc_dai_driver pcm3008_dai = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_pcm3008 = {
+static const struct snd_soc_codec_driver soc_codec_dev_pcm3008 = {
 	.component_driver = {
 		.dapm_widgets		= pcm3008_dapm_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(pcm3008_dapm_widgets),

sound/soc/codecs/pcm512x.c

@@ -1344,7 +1344,7 @@ static struct snd_soc_dai_driver pcm512x_dai = {
 	.ops = &pcm512x_dai_ops,
 };
 
-static struct snd_soc_codec_driver pcm512x_codec_driver = {
+static const struct snd_soc_codec_driver pcm512x_codec_driver = {
 	.set_bias_level = pcm512x_set_bias_level,
 	.idle_bias_off = true,
 

sound/soc/codecs/rt274.h

@@ -0,0 +1,217 @@
+/*
+ * rt274.h  --  RT274 ALSA SoC audio driver
+ *
+ * Copyright 2016 Realtek Microelectronics
+ * Author: Bard Liao <bardliao@realtek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __RT274_H__
+#define __RT274_H__
+
+#define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D)
+
+#define RT274_AUDIO_FUNCTION_GROUP			0x01
+#define RT274_DAC_OUT0					0x02
+#define RT274_DAC_OUT1					0x03
+#define RT274_ADC_IN2					0x08
+#define RT274_ADC_IN1					0x09
+#define RT274_DIG_CVT					0x0a
+#define RT274_DMIC1					0x12
+#define RT274_DMIC2					0x13
+#define RT274_MIC					0x19
+#define RT274_LINE1					0x1a
+#define RT274_LINE2					0x1b
+#define RT274_LINE3					0x16
+#define RT274_SPDIF					0x1e
+#define RT274_VENDOR_REGISTERS				0x20
+#define RT274_HP_OUT					0x21
+#define RT274_MIXER_IN1					0x22
+#define RT274_MIXER_IN2					0x23
+#define RT274_INLINE_CMD				0x55
+
+#define RT274_SET_PIN_SFT				6
+#define RT274_SET_PIN_ENABLE				0x40
+#define RT274_SET_PIN_DISABLE				0
+#define RT274_SET_EAPD_HIGH				0x2
+#define RT274_SET_EAPD_LOW				0
+
+#define RT274_MUTE_SFT					7
+
+/* Verb commands */
+#define RT274_RESET\
+	VERB_CMD(AC_VERB_SET_CODEC_RESET, RT274_AUDIO_FUNCTION_GROUP, 0)
+#define RT274_GET_PARAM(NID, PARAM) VERB_CMD(AC_VERB_PARAMETERS, NID, PARAM)
+#define RT274_SET_POWER(NID) VERB_CMD(AC_VERB_SET_POWER_STATE, NID, 0)
+#define RT274_SET_AUDIO_POWER RT274_SET_POWER(RT274_AUDIO_FUNCTION_GROUP)
+#define RT274_SET_HPO_POWER RT274_SET_POWER(RT274_HP_OUT)
+#define RT274_SET_DMIC1_POWER RT274_SET_POWER(RT274_DMIC1)
+#define RT274_LOUT_MUX\
+	VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT274_LINE3, 0)
+#define RT274_HPO_MUX\
+	VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT274_HP_OUT, 0)
+#define RT274_ADC0_MUX\
+	VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT274_MIXER_IN1, 0)
+#define RT274_ADC1_MUX\
+	VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT274_MIXER_IN2, 0)
+#define RT274_SET_MIC\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_MIC, 0)
+#define RT274_SET_PIN_LOUT3\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_LINE3, 0)
+#define RT274_SET_PIN_HPO\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0)
+#define RT274_SET_PIN_DMIC1\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0)
+#define RT274_SET_PIN_SPDIF\
+	VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_SPDIF, 0)
+#define RT274_SET_PIN_DIG_CVT\
+	VERB_CMD(AC_VERB_SET_DIGI_CONVERT_1, RT274_DIG_CVT, 0)
+#define RT274_SET_AMP_GAIN_HPO\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_HP_OUT, 0)
+#define RT274_SET_AMP_GAIN_ADC_IN1\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0)
+#define RT274_SET_AMP_GAIN_ADC_IN2\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0)
+#define RT274_GET_HP_SENSE\
+	VERB_CMD(AC_VERB_GET_PIN_SENSE, RT274_HP_OUT, 0)
+#define RT274_GET_MIC_SENSE\
+	VERB_CMD(AC_VERB_GET_PIN_SENSE, RT274_MIC, 0)
+#define RT274_SET_DMIC2_DEFAULT\
+	VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT274_DMIC2, 0)
+#define RT274_SET_SPDIF_DEFAULT\
+	VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT274_SPDIF, 0)
+#define RT274_DAC0L_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0xa000)
+#define RT274_DAC0R_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0x9000)
+#define RT274_DAC1L_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0xa000)
+#define RT274_DAC1R_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0x9000)
+#define RT274_ADCL_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0x6000)
+#define RT274_ADCR_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0x5000)
+#define RT274_MIC_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_MIC, 0x7000)
+#define RT274_LOUTL_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_LINE3, 0xa000)
+#define RT274_LOUTR_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_LINE3, 0x9000)
+#define RT274_HPOL_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_HP_OUT, 0xa000)
+#define RT274_HPOR_GAIN\
+	VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_HP_OUT, 0x9000)
+#define RT274_DAC_FORMAT\
+	VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT274_DAC_OUT0, 0)
+#define RT274_ADC_FORMAT\
+	VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT274_ADC_IN1, 0)
+#define RT274_COEF_INDEX\
+	VERB_CMD(AC_VERB_SET_COEF_INDEX, RT274_VENDOR_REGISTERS, 0)
+#define RT274_PROC_COEF\
+	VERB_CMD(AC_VERB_SET_PROC_COEF, RT274_VENDOR_REGISTERS, 0)
+#define RT274_UNSOLICITED_INLINE_CMD\
+	VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT274_INLINE_CMD, 0)
+#define RT274_UNSOLICITED_HP_OUT\
+	VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT274_HP_OUT, 0)
+#define RT274_UNSOLICITED_MIC\
+	VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT274_MIC, 0)
+#define RT274_COEF58_INDEX\
+	VERB_CMD(AC_VERB_SET_COEF_INDEX, 0x58, 0)
+#define RT274_COEF58_COEF\
+	VERB_CMD(AC_VERB_SET_PROC_COEF, 0x58, 0)
+#define RT274_COEF5b_INDEX\
+	VERB_CMD(AC_VERB_SET_COEF_INDEX, 0x5b, 0)
+#define RT274_COEF5b_COEF\
+	VERB_CMD(AC_VERB_SET_PROC_COEF, 0x5b, 0)
+#define RT274_SET_STREAMID_DAC0\
+	VERB_CMD(AC_VERB_SET_CHANNEL_STREAMID, RT274_DAC_OUT0, 0)
+#define RT274_SET_STREAMID_DAC1\
+	VERB_CMD(AC_VERB_SET_CHANNEL_STREAMID, RT274_DAC_OUT1, 0)
+#define RT274_SET_STREAMID_ADC1\
+	VERB_CMD(AC_VERB_SET_CHANNEL_STREAMID, RT274_ADC_IN1, 0)
+#define RT274_SET_STREAMID_ADC2\
+	VERB_CMD(AC_VERB_SET_CHANNEL_STREAMID, RT274_ADC_IN2, 0)
+
+/* Index registers */
+#define RT274_EAPD_GPIO_IRQ_CTRL	0x10
+#define RT274_PAD_CTRL12		0x35
+#define RT274_I2S_CTRL1			0x63
+#define RT274_I2S_CTRL2			0x64
+#define RT274_MCLK_CTRL			0x71
+#define RT274_CLK_CTRL			0x72
+#define RT274_PLL2_CTRL			0x7b
+
+
+/* EAPD GPIO IRQ control (Index 0x10) */
+#define RT274_IRQ_DIS		(0x0 << 13)
+#define RT274_IRQ_EN		(0x1 << 13)
+#define RT274_IRQ_CLR		(0x1 << 12)
+#define RT274_GPI2_SEL_MASK	(0x3 << 7)
+#define RT274_GPI2_SEL_GPIO2	(0x0 << 7)
+#define RT274_GPI2_SEL_I2S	(0x1 << 7)
+#define RT274_GPI2_SEL_DMIC_CLK	(0x2 << 7)
+#define RT274_GPI2_SEL_CBJ	(0x3 << 7)
+
+/* Front I2S_Interface control 1 (Index 0x63) */
+#define RT274_I2S_MODE_MASK	(0x1 << 11)
+#define RT274_I2S_MODE_S	(0x0 << 11)
+#define RT274_I2S_MODE_M	(0x1 << 11)
+#define RT274_TDM_DIS		(0x0 << 10)
+#define RT274_TDM_EN		(0x1 << 10)
+#define RT274_TDM_CH_NUM	(0x1 << 7)
+#define RT274_TDM_2CH		(0x0 << 7)
+#define RT274_TDM_4CH		(0x1 << 7)
+#define RT274_I2S_FMT_MASK	(0x3 << 8)
+#define RT274_I2S_FMT_I2S	(0x0 << 8)
+#define RT274_I2S_FMT_LJ	(0x1 << 8)
+#define RT274_I2S_FMT_PCMA	(0x2 << 8)
+#define RT274_I2S_FMT_PCMB	(0x3 << 8)
+
+/* MCLK clock domain control (Index 0x71) */
+#define RT274_MCLK_MODE_MASK	(0x1 << 14)
+#define RT274_MCLK_MODE_DIS	(0x0 << 14)
+#define RT274_MCLK_MODE_EN	(0x1 << 14)
+
+/* Clock control (Index 0x72) */
+#define RT274_CLK_SRC_MASK	(0x7 << 3)
+#define RT274_CLK_SRC_MCLK	(0x0 << 3)
+#define RT274_CLK_SRC_PLL2	(0x3 << 3)
+
+/* PLL2 control (Index 0x7b) */
+#define RT274_PLL2_SRC_MASK	(0x1 << 13)
+#define RT274_PLL2_SRC_MCLK	(0x0 << 13)
+#define RT274_PLL2_SRC_BCLK	(0x1 << 13)
+
+/* HP-OUT (0x21) */
+#define RT274_M_HP_MUX_SFT	14
+#define RT274_HP_SEL_MASK	0x1
+#define RT274_HP_SEL_SFT	0
+#define RT274_HP_SEL_F		0
+#define RT274_HP_SEL_S		1
+
+/* ADC (0x22) (0x23) */
+#define RT274_ADC_SEL_MASK	0x7
+#define RT274_ADC_SEL_SFT	0
+#define RT274_ADC_SEL_MIC	0
+#define RT274_ADC_SEL_LINE1	1
+#define RT274_ADC_SEL_LINE2	2
+#define RT274_ADC_SEL_DMIC	3
+
+#define RT274_SCLK_S_MCLK	0
+#define RT274_SCLK_S_PLL1	1
+#define RT274_SCLK_S_PLL2	2
+
+#define RT274_PLL2_S_MCLK	0
+#define RT274_PLL2_S_BCLK	1
+
+enum {
+	RT274_AIF1,
+	RT274_AIFS,
+};
+
+#endif /* __RT274_H__ */
+

sound/soc/codecs/rt286.c

@@ -1046,7 +1046,7 @@ static struct snd_soc_dai_driver rt286_dai[] = {
 
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt286 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt286 = {
 	.probe = rt286_probe,
 	.remove = rt286_remove,
 	.suspend = rt286_suspend,

sound/soc/codecs/rt298.c

@@ -1113,7 +1113,7 @@ static struct snd_soc_dai_driver rt298_dai[] = {
 
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt298 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt298 = {
 	.probe = rt298_probe,
 	.remove = rt298_remove,
 	.suspend = rt298_suspend,

sound/soc/codecs/rt5514-spi.c

@@ -260,7 +260,7 @@ static int rt5514_spi_pcm_probe(struct snd_soc_platform *platform)
 	return 0;
 }
 
-static struct snd_soc_platform_driver rt5514_spi_platform = {
+static const struct snd_soc_platform_driver rt5514_spi_platform = {
 	.probe = rt5514_spi_pcm_probe,
 	.ops = &rt5514_spi_pcm_ops,
 };

sound/soc/codecs/rt5514.c

@@ -1042,7 +1042,7 @@ struct snd_soc_dai_driver rt5514_dai[] = {
 	}
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5514 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5514 = {
 	.probe = rt5514_probe,
 	.idle_bias_off = true,
 	.set_bias_level = rt5514_set_bias_level,

sound/soc/codecs/rt5616.c

@@ -1294,7 +1294,7 @@ static struct snd_soc_dai_driver rt5616_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5616 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5616 = {
 	.probe = rt5616_probe,
 	.suspend = rt5616_suspend,
 	.resume = rt5616_resume,

sound/soc/codecs/rt5631.c

@@ -1653,7 +1653,7 @@ static struct snd_soc_dai_driver rt5631_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5631 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5631 = {
 	.probe = rt5631_probe,
 	.set_bias_level = rt5631_set_bias_level,
 	.suspend_bias_off = true,

sound/soc/codecs/rt5640.c

@@ -2259,7 +2259,7 @@ static struct snd_soc_dai_driver rt5640_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5640 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5640 = {
 	.probe = rt5640_probe,
 	.remove = rt5640_remove,
 	.suspend = rt5640_suspend,

sound/soc/codecs/rt5645.c

@@ -3473,7 +3473,7 @@ static struct snd_soc_dai_driver rt5645_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5645 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5645 = {
 	.probe = rt5645_probe,
 	.remove = rt5645_remove,
 	.suspend = rt5645_suspend,

sound/soc/codecs/rt5651.c

@@ -1664,7 +1664,7 @@ static struct snd_soc_dai_driver rt5651_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5651 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5651 = {
 	.probe = rt5651_probe,
 	.suspend = rt5651_suspend,
 	.resume = rt5651_resume,

sound/soc/codecs/rt5659.c

@@ -3730,7 +3730,7 @@ static struct snd_soc_dai_driver rt5659_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5659 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5659 = {
 	.probe = rt5659_probe,
 	.remove = rt5659_remove,
 	.suspend = rt5659_suspend,

sound/soc/codecs/rt5660.c

@@ -1197,7 +1197,7 @@ static struct snd_soc_dai_driver rt5660_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5660 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5660 = {
 	.probe = rt5660_probe,
 	.remove = rt5660_remove,
 	.suspend = rt5660_suspend,

sound/soc/codecs/rt5663.c

@@ -2891,7 +2891,7 @@ static struct snd_soc_dai_driver rt5663_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5663 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5663 = {
 	.probe = rt5663_probe,
 	.remove = rt5663_remove,
 	.suspend = rt5663_suspend,

sound/soc/codecs/rt5665.c

@@ -4562,7 +4562,7 @@ static struct snd_soc_dai_driver rt5665_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5665 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5665 = {
 	.probe = rt5665_probe,
 	.remove = rt5665_remove,
 	.suspend = rt5665_suspend,

sound/soc/codecs/rt5670.c

@@ -2765,7 +2765,7 @@ static struct snd_soc_dai_driver rt5670_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5670 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5670 = {
 	.probe = rt5670_probe,
 	.remove = rt5670_remove,
 	.suspend = rt5670_suspend,

sound/soc/codecs/rt5677.c

@@ -4968,7 +4968,7 @@ static struct snd_soc_dai_driver rt5677_dai[] = {
 	},
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_rt5677 = {
+static const struct snd_soc_codec_driver soc_codec_dev_rt5677 = {
 	.probe = rt5677_probe,
 	.remove = rt5677_remove,
 	.suspend = rt5677_suspend,

sound/soc/codecs/sgtl5000.c

@@ -1248,7 +1248,7 @@ static int sgtl5000_remove(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver sgtl5000_driver = {
+static const struct snd_soc_codec_driver sgtl5000_driver = {
 	.probe = sgtl5000_probe,
 	.remove = sgtl5000_remove,
 	.set_bias_level = sgtl5000_set_bias_level,

sound/soc/codecs/si476x.c

@@ -236,7 +236,7 @@ static struct regmap *si476x_get_regmap(struct device *dev)
 	return dev_get_regmap(dev->parent, NULL);
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_si476x = {
+static const struct snd_soc_codec_driver soc_codec_dev_si476x = {
 	.get_regmap = si476x_get_regmap,
 	.component_driver = {
 		.dapm_widgets		= si476x_dapm_widgets,

sound/soc/codecs/sirf-audio-codec.c

@@ -429,7 +429,7 @@ static int sirf_audio_codec_remove(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_device_sirf_audio_codec = {
+static const struct snd_soc_codec_driver soc_codec_device_sirf_audio_codec = {
 	.probe = sirf_audio_codec_probe,
 	.remove = sirf_audio_codec_remove,
 	.dapm_widgets = sirf_audio_codec_dapm_widgets,

sound/soc/codecs/sn95031.c

@@ -883,7 +883,7 @@ static int sn95031_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
-static struct snd_soc_codec_driver sn95031_codec = {
+static const struct snd_soc_codec_driver sn95031_codec = {
 	.probe		= sn95031_codec_probe,
 	.set_bias_level	= sn95031_set_vaud_bias,
 	.idle_bias_off	= true,

sound/soc/codecs/spdif_receiver.c

@@ -37,7 +37,7 @@ static const struct snd_soc_dapm_route dir_routes[] = {
 			SNDRV_PCM_FMTBIT_S24_LE | \
 			SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
 
-static struct snd_soc_codec_driver soc_codec_spdif_dir = {
+static const struct snd_soc_codec_driver soc_codec_spdif_dir = {
 	.component_driver = {
 		.dapm_widgets		= dir_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(dir_widgets),

sound/soc/codecs/spdif_transmitter.c

@@ -37,7 +37,7 @@ static const struct snd_soc_dapm_route dit_routes[] = {
 	{ "spdif-out", NULL, "Playback" },
 };
 
-static struct snd_soc_codec_driver soc_codec_spdif_dit = {
+static const struct snd_soc_codec_driver soc_codec_spdif_dit = {
 	.component_driver = {
 		.dapm_widgets		= dit_widgets,
 		.num_dapm_widgets	= ARRAY_SIZE(dit_widgets),

sound/soc/codecs/ssm2518.c

@@ -710,7 +710,7 @@ static int ssm2518_set_sysclk(struct snd_soc_codec *codec, int clk_id,
 			SSM2518_POWER1_NO_BCLK, val);
 }
 
-static struct snd_soc_codec_driver ssm2518_codec_driver = {
+static const struct snd_soc_codec_driver ssm2518_codec_driver = {
 	.set_bias_level = ssm2518_set_bias_level,
 	.set_sysclk = ssm2518_set_sysclk,
 	.idle_bias_off = true,