ASoC: fsl_esai: ETDR and TX0~5 registers are non volatile

ETDR and TX0~5 registers are writable and not readable. So they are non
volatile. Remove them from volatile list, and add default register value for
them.
Signed-off-by: NZidan Wang <zidan.wang@freescale.com>
Acked-by: NNicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_esai.c

@@ -653,21 +653,28 @@ static const struct snd_soc_component_driver fsl_esai_component = {
 };
 
 static const struct reg_default fsl_esai_reg_defaults[] = {
-	{0x8,  0x00000000},
-	{0x10, 0x00000000},
-	{0x18, 0x00000000},
-	{0x98, 0x00000000},
-	{0xd0, 0x00000000},
-	{0xd4, 0x00000000},
-	{0xd8, 0x00000000},
-	{0xdc, 0x00000000},
-	{0xe0, 0x00000000},
-	{0xe4, 0x0000ffff},
-	{0xe8, 0x0000ffff},
-	{0xec, 0x0000ffff},
-	{0xf0, 0x0000ffff},
-	{0xf8, 0x00000000},
-	{0xfc, 0x00000000},
+	{REG_ESAI_ETDR,	 0x00000000},
+	{REG_ESAI_ECR,	 0x00000000},
+	{REG_ESAI_TFCR,	 0x00000000},
+	{REG_ESAI_RFCR,	 0x00000000},
+	{REG_ESAI_TX0,	 0x00000000},
+	{REG_ESAI_TX1,	 0x00000000},
+	{REG_ESAI_TX2,	 0x00000000},
+	{REG_ESAI_TX3,	 0x00000000},
+	{REG_ESAI_TX4,	 0x00000000},
+	{REG_ESAI_TX5,	 0x00000000},
+	{REG_ESAI_TSR,	 0x00000000},
+	{REG_ESAI_SAICR, 0x00000000},
+	{REG_ESAI_TCR,	 0x00000000},
+	{REG_ESAI_TCCR,	 0x00000000},
+	{REG_ESAI_RCR,	 0x00000000},
+	{REG_ESAI_RCCR,	 0x00000000},
+	{REG_ESAI_TSMA,  0x0000ffff},
+	{REG_ESAI_TSMB,  0x0000ffff},
+	{REG_ESAI_RSMA,  0x0000ffff},
+	{REG_ESAI_RSMB,  0x0000ffff},
+	{REG_ESAI_PRRC,  0x00000000},
+	{REG_ESAI_PCRC,  0x00000000},
 };
 
 static bool fsl_esai_readable_reg(struct device *dev, unsigned int reg)
@@ -705,17 +712,10 @@ static bool fsl_esai_readable_reg(struct device *dev, unsigned int reg)
 static bool fsl_esai_volatile_reg(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
-	case REG_ESAI_ETDR:
 	case REG_ESAI_ERDR:
 	case REG_ESAI_ESR:
 	case REG_ESAI_TFSR:
 	case REG_ESAI_RFSR:
-	case REG_ESAI_TX0:
-	case REG_ESAI_TX1:
-	case REG_ESAI_TX2:
-	case REG_ESAI_TX3:
-	case REG_ESAI_TX4:
-	case REG_ESAI_TX5:
 	case REG_ESAI_RX0:
 	case REG_ESAI_RX1:
 	case REG_ESAI_RX2: