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ASoC: Make LZO cache compression optional

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Make LZO cache compression optional as it pulls in the kernel wide LZO
implementation and rbtree compression is generally more efficient for
typical register maps, especially in terms of CPU performance.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown
2010-12-21 17:19:56 +00:00
parent be4fcddd17
commit 68d44ee0bc
2 changed files with 19 additions and 2 deletions
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4
sound/soc/soc-cache.c
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@@ -988,6 +988,7 @@ static int snd_soc_rbtree_cache_init(struct snd_soc_codec *codec)
return 0;
}
#ifdef CONFIG_SND_SOC_CACHE_LZO
struct snd_soc_lzo_ctx {
void *wmem;
void *dst;
@@ -1399,6 +1400,7 @@ err_tofree:
}
return ret;
}
#endif
static int snd_soc_flat_cache_sync(struct snd_soc_codec *codec)
{
@@ -1541,6 +1543,7 @@ static const struct snd_soc_cache_ops cache_types[] = {
.write = snd_soc_flat_cache_write,
.sync = snd_soc_flat_cache_sync
},
#ifdef CONFIG_SND_SOC_CACHE_LZO
{
.id = SND_SOC_LZO_COMPRESSION,
.name = "LZO",
@@ -1550,6 +1553,7 @@ static const struct snd_soc_cache_ops cache_types[] = {
.write = snd_soc_lzo_cache_write,
.sync = snd_soc_lzo_cache_sync
},
#endif
{
.id = SND_SOC_RBTREE_COMPRESSION,
.name = "rbtree",