dm: sound: Start i2c IDs from 0

The current ID enums start from 1 but there does not seem to be any reason
that they cannot start with 0. Adjust the code to avoid the +1 in
codec_init().

Signed-off-by: Simon Glass <sjg@chromium.org>

drivers/sound/max98095.h

@@ -13,7 +13,7 @@
 
 /*  Available audio interface ports in wm8994 codec */
 enum en_max_audio_interface {
-	AIF1 = 1,
+	AIF1,
 	AIF2,
 };
 

drivers/sound/sound-i2s.c

@@ -120,13 +120,11 @@ static int codec_init(const void *blob, struct i2s_uc_priv *pi2s_tx)
 	debug("device = %s\n", codectype);
 	if (!strcmp(codectype, "wm8994")) {
 		/* Check the codec type and initialise the same */
-		ret = wm8994_init(blob, pi2s_tx->id + 1,
-				  pi2s_tx->samplingrate,
+		ret = wm8994_init(blob, pi2s_tx->id, pi2s_tx->samplingrate,
 				  (pi2s_tx->samplingrate * (pi2s_tx->rfs)),
 				  pi2s_tx->bitspersample, pi2s_tx->channels);
 	} else if (!strcmp(codectype, "max98095")) {
-		ret = max98095_init(blob, pi2s_tx->id + 1,
-				    pi2s_tx->samplingrate,
+		ret = max98095_init(blob, pi2s_tx->id, pi2s_tx->samplingrate,
 				    (pi2s_tx->samplingrate * (pi2s_tx->rfs)),
 				    pi2s_tx->bitspersample);
 	} else {

drivers/sound/wm8994.h

@@ -15,7 +15,7 @@
 
 /*  Avilable audi interface ports in wm8994 codec */
 enum en_audio_interface {
-	 WM8994_AIF1 = 1,
+	 WM8994_AIF1,
 	 WM8994_AIF2,
 	 WM8994_AIF3
 };