ALSA: ASoC: Fix register cache sizes for Wolfson codecs

The register cache size is used by the codec_reg sysfs file which works in
terms of the register cache access functions rather than in terms of raw
access to the cache so the size specified needs to be in terms of the
number of elements.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/soc/codecs/wm8731.c

@@ -534,7 +534,7 @@ static int wm8731_init(struct snd_soc_device *socdev)
 	codec->set_bias_level = wm8731_set_bias_level;
 	codec->dai = &wm8731_dai;
 	codec->num_dai = 1;
-	codec->reg_cache_size = sizeof(wm8731_reg);
+	codec->reg_cache_size = ARRAY_SIZE(wm8731_reg);
 	codec->reg_cache = kmemdup(wm8731_reg, sizeof(wm8731_reg), GFP_KERNEL);
 	if (codec->reg_cache == NULL)
 		return -ENOMEM;

sound/soc/codecs/wm8750.c

@@ -798,7 +798,7 @@ static int wm8750_init(struct snd_soc_device *socdev)
 	codec->set_bias_level = wm8750_set_bias_level;
 	codec->dai = &wm8750_dai;
 	codec->num_dai = 1;
-	codec->reg_cache_size = sizeof(wm8750_reg);
+	codec->reg_cache_size = ARRAY_SIZE(wm8750_reg);
 	codec->reg_cache = kmemdup(wm8750_reg, sizeof(wm8750_reg), GFP_KERNEL);
 	if (codec->reg_cache == NULL)
 		return -ENOMEM;

sound/soc/codecs/wm8753.c

@@ -1557,7 +1557,7 @@ static int wm8753_init(struct snd_soc_device *socdev)
 	codec->set_bias_level = wm8753_set_bias_level;
 	codec->dai = wm8753_dai;
 	codec->num_dai = 2;
-	codec->reg_cache_size = sizeof(wm8753_reg);
+	codec->reg_cache_size = ARRAY_SIZE(wm8753_reg);
 	codec->reg_cache = kmemdup(wm8753_reg, sizeof(wm8753_reg), GFP_KERNEL);
 
 	if (codec->reg_cache == NULL)