asoc: Talos-tanggu bringup fixes

Bringup fixes to enumerate tanggu codec on talos.

Change-Id: Ic9c43ec0b870f6fec3c6d21fd4d77606c7ed94b1
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>

asoc/codecs/wcd937x/wcd937x-regmap.c

@@ -434,21 +434,28 @@ static const struct reg_default wcd937x_defaults[] = {
 
 static bool wcd937x_readable_register(struct device *dev, unsigned int reg)
 {
+	if(reg <= WCD937X_BASE_ADDRESS)
+		return 0;
 	return wcd937x_reg_access[WCD937X_REG(reg)] & RD_REG;
 }
 
 static bool wcd937x_writeable_register(struct device *dev, unsigned int reg)
 {
+	if(reg <= WCD937X_BASE_ADDRESS)
+		return 0;
 	return wcd937x_reg_access[WCD937X_REG(reg)] & WR_REG;
 }
 
 static bool wcd937x_volatile_register(struct device *dev, unsigned int reg)
 {
+	if(reg <= WCD937X_BASE_ADDRESS)
+		return 0;
 	return (wcd937x_reg_access[WCD937X_REG(reg)] & RD_REG)
 		& ~(wcd937x_reg_access[WCD937X_REG(reg)] & WR_REG);
 }
 
 struct regmap_config wcd937x_regmap_config = {
+	.name = "wcd937x_csr",
 	.reg_bits = 16,
 	.val_bits = 8,
 	.cache_type = REGCACHE_RBTREE,