ASoC: da7210: Add support for mute and zero cross controls

index 7e36ed6..cb00935 100644
@@ -45,6 +45,7 @@
 #define DA7210_DAC_L			0x15
 #define DA7210_DAC_R			0x16
 #define DA7210_DAC_SEL			0x17
+#define DA7210_SOFTMUTE			0x18
 #define DA7210_DAC_EQ1_2		0x19
 #define DA7210_DAC_EQ3_4		0x1A
 #define DA7210_DAC_EQ5			0x1B

@@ -56,6 +57,7 @@
 #define DA7210_HP_L_VOL			0x21
 #define DA7210_HP_R_VOL			0x22
 #define DA7210_HP_CFG			0x23
+#define DA7210_ZERO_CROSS		0x24
 #define DA7210_DAI_SRC_SEL		0x25
 #define DA7210_DAI_CFG1			0x26
 #define DA7210_DAI_CFG3			0x28

@@ -166,6 +168,9 @@
 /* AUX2 bit fields */
 #define DA7210_AUX2_EN			(1 << 3)
 
+/* SOFTMUTE bit fields */
+#define DA7210_RAMP_EN			(1 << 6)
+
 #define DA7210_VERSION "0.0.1"
 
 /*

@@ -211,6 +216,13 @@ static const unsigned int aux1_vol_tlv[] = {
 	0x11, 0x3f, TLV_DB_SCALE_ITEM(-4800, 150, 0)
 };
 
+static const char *da7210_hp_mode_txt[] = {
+	"Class H", "Class G"
+};
+
+static const struct soc_enum da7210_hp_mode_sel =
+	SOC_ENUM_SINGLE(DA7210_HP_CFG, 0, 2, da7210_hp_mode_txt);
+
 static const struct snd_kcontrol_new da7210_snd_controls[] = {
 
 	SOC_DOUBLE_R_TLV("HeadPhone Playback Volume",

@@ -267,6 +279,23 @@ static const struct snd_kcontrol_new da7210_snd_controls[] = {
 		       eq_gain_tlv),
 	SOC_SINGLE_TLV("ADC EQ5 Volume", DA7210_ADC_EQ5, 0, 0xf, 1,
 		       eq_gain_tlv),
+
+	/* Mute controls */
+	SOC_DOUBLE_R("Mic Mute Switch", DA7210_MIC_L, DA7210_MIC_R, 3, 1, 0),
+	SOC_SINGLE("Aux2 Mute Switch", DA7210_AUX2, 2, 1, 0),
+	SOC_SINGLE("ADC Left Mute Switch", DA7210_ADC, 2, 1, 0),
+	SOC_SINGLE("ADC Right Mute Switch", DA7210_ADC, 6, 1, 0),
+	SOC_SINGLE("DAC Mute Switch", DA7210_DAC_HPF, 2, 1, 0),
+	SOC_SINGLE("DAC Soft Mute Switch", DA7210_SOFTMUTE, 7, 1, 0),
+	SOC_SINGLE("DAC Soft Mute Rate", DA7210_SOFTMUTE, 0, 0x7, 0),
+
+	/* Zero cross controls */
+	SOC_DOUBLE("Aux1 ZC Switch", DA7210_ZERO_CROSS, 0, 1, 1, 0),
+	SOC_DOUBLE("In PGA ZC Switch", DA7210_ZERO_CROSS, 2, 3, 1, 0),
+	SOC_DOUBLE("Lineout ZC Switch", DA7210_ZERO_CROSS, 4, 5, 1, 0),
+	SOC_DOUBLE("Headphone ZC Switch", DA7210_ZERO_CROSS, 6, 7, 1, 0),
+
+	SOC_ENUM("Headphone Class", da7210_hp_mode_sel),
 };
 
 /* Codec private data */

@@ -597,6 +626,9 @@ static int da7210_probe(struct snd_soc_codec *codec)
 	/* Enable Aux2 */
 	snd_soc_write(codec, DA7210_AUX2, DA7210_AUX2_EN);
 
+	/* Enable ramp mode for DAC gain update */
+	snd_soc_write(codec, DA7210_SOFTMUTE, DA7210_RAMP_EN);
+
 	/* Diable PLL and bypass it */
 	snd_soc_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);