Naming conflicts for singal_t

Author: pschatzmann

src/Driver.h

@@ -1387,7 +1387,7 @@ class AudioDriverPCM3168Class : public AudioDriver {
         break;
       case BIT_LENGTH_32BITS:
       case BIT_LENGTH_24BITS:
-        if (iface.singal_type == TDM) {
+        if (iface.singal_type == SIGNAL_TDM) {
           switch (iface.fmt) {
             case I2S_NORMAL:
               fmt = PCM3168::FMT::I2STDM24bit;

src/Driver/cs42448/cs42448.h

@@ -556,7 +556,7 @@ class CS42448 {
 
   /// Set I2S format based on codec_config
   bool setFormat() {
-    if (codec_config.i2s.singal_type == singal_t::TDM) {
+    if (codec_config.i2s.singal_type == SIGNAL_TDM) {
       return setFormat(Format::TDM);
     } else {
       switch (codec_config.i2s.fmt) {

src/Driver/es7210/es7210.c

@@ -326,7 +326,7 @@ error_t es7210_adc_init(codec_config_t *codec_cfg, void* i2c)
 
     // set REG12
     uint8_t reg12 = 0;
-    if (i2s_cfg->singal_type == TDM) {
+    if (i2s_cfg->singal_type == SIGNAL_TDM) {
         reg12 = 0x02; // TDM I2S
     }
     ret |= es7210_write_reg(ES7210_SDP_INTERFACE2_REG12, reg12);

src/DriverCommon.h

@@ -125,10 +125,10 @@ typedef enum {
  */
 
 typedef enum {
-  DIGITAL,
-  AMALOG,
-  PDM,
-  TDM,
+  SIGNAL_DIGITAL,
+  SIGNAL_AMALOG,
+  SIGNAL_PDM,
+  SIGNAL_TDM,
 } singal_t;