The WM8994 and WM8958 register map is relatively sparse so benefits
from compression. The rbtree compression gives better results than
LZO for both memory and CPU consumption on a map as sparse as this.
Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
sound/soc/codecs/wm8994.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index d9c6dd5..5f203c5 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3033,6 +3033,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8994 = {
.reg_cache_size = WM8994_CACHE_SIZE,
.reg_cache_default = wm8994_reg_defaults,
.reg_word_size = 2,
+ .compress_type = SND_SOC_RBTREE_COMPRESSION,
};
static int __devinit wm8994_probe(struct platform_device *pdev)
--
1.7.1
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