ASoC: soc-cache: Add optional cache name member to snd_soc_cache_ops

Added an optional name member to snd_soc_cache_ops to enable more
sensible diagnostic messages during cache init, exit and sync.

Remove redundant newline in source code.

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

include/sound/soc.h

@@ -437,6 +437,7 @@ struct snd_soc_ops {
 
 /* SoC cache ops */
 struct snd_soc_cache_ops {
+	const char *name;
 	enum snd_soc_compress_type id;
 	int (*init)(struct snd_soc_codec *codec);
 	int (*exit)(struct snd_soc_codec *codec);

sound/soc/soc-cache.c

@@ -1533,6 +1533,7 @@ static int snd_soc_flat_cache_init(struct snd_soc_codec *codec)
 static const struct snd_soc_cache_ops cache_types[] = {
 	{
 		.id = SND_SOC_FLAT_COMPRESSION,
+		.name = "flat",
 		.init = snd_soc_flat_cache_init,
 		.exit = snd_soc_flat_cache_exit,
 		.read = snd_soc_flat_cache_read,
@@ -1541,6 +1542,7 @@ static const struct snd_soc_cache_ops cache_types[] = {
 	},
 	{
 		.id = SND_SOC_LZO_COMPRESSION,
+		.name = "LZO",
 		.init = snd_soc_lzo_cache_init,
 		.exit = snd_soc_lzo_cache_exit,
 		.read = snd_soc_lzo_cache_read,
@@ -1549,6 +1551,7 @@ static const struct snd_soc_cache_ops cache_types[] = {
 	},
 	{
 		.id = SND_SOC_RBTREE_COMPRESSION,
+		.name = "rbtree",
 		.init = snd_soc_rbtree_cache_init,
 		.exit = snd_soc_rbtree_cache_exit,
 		.read = snd_soc_rbtree_cache_read,
@@ -1573,8 +1576,12 @@ int snd_soc_cache_init(struct snd_soc_codec *codec)
 	mutex_init(&codec->cache_rw_mutex);
 	codec->cache_ops = &cache_types[i];
 
-	if (codec->cache_ops->init)
+	if (codec->cache_ops->init) {
+		if (codec->cache_ops->name)
+			dev_dbg(codec->dev, "Initializing %s cache for %s codec\n",
+				codec->cache_ops->name, codec->name);
 		return codec->cache_ops->init(codec);
+	}
 	return -EINVAL;
 }
 
@@ -1584,8 +1591,12 @@ int snd_soc_cache_init(struct snd_soc_codec *codec)
  */
 int snd_soc_cache_exit(struct snd_soc_codec *codec)
 {
-	if (codec->cache_ops && codec->cache_ops->exit)
+	if (codec->cache_ops && codec->cache_ops->exit) {
+		if (codec->cache_ops->name)
+			dev_dbg(codec->dev, "Destroying %s cache for %s codec\n",
+				codec->cache_ops->name, codec->name);
 		return codec->cache_ops->exit(codec);
+	}
 	return -EINVAL;
 }
 
@@ -1657,6 +1668,9 @@ int snd_soc_cache_sync(struct snd_soc_codec *codec)
 	}
 
 	if (codec->cache_ops && codec->cache_ops->sync) {
+		if (codec->cache_ops->name)
+			dev_dbg(codec->dev, "Syncing %s cache for %s codec\n",
+				codec->cache_ops->name, codec->name);
 		ret = codec->cache_ops->sync(codec);
 		if (!ret)
 			codec->cache_sync = 0;

sound/soc/soc-core.c

@@ -1742,8 +1742,6 @@ static int snd_soc_init_codec_cache(struct snd_soc_codec *codec,
 	/* override the compress_type if necessary */
 	if (compress_type && codec->compress_type != compress_type)
 		codec->compress_type = compress_type;
-	dev_dbg(codec->dev, "Cache compress_type for %s is %d\n",
-		codec->name, codec->compress_type);
 	ret = snd_soc_cache_init(codec);
 	if (ret < 0) {
 		dev_err(codec->dev, "Failed to set cache compression type: %d\n",
@@ -1754,7 +1752,6 @@ static int snd_soc_init_codec_cache(struct snd_soc_codec *codec,
 	return 0;
 }
 
-
 static void snd_soc_instantiate_card(struct snd_soc_card *card)
 {
 	struct platform_device *pdev = to_platform_device(card->dev);