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ASoC: Enable rbtree compression for WM8994/58 register cache

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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@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-11-26 17:23:42 +00:00
parent ca9aef5072
commit 2e19b0c8c2
1 changed files with 1 additions and 0 deletions
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sound/soc/codecs/wm8994.c
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@ -3033,6 +3033,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8994 = {
.reg_cache_size = WM8994_CACHE_SIZE, .reg_cache_size = WM8994_CACHE_SIZE,
.reg_cache_default = wm8994_reg_defaults, .reg_cache_default = wm8994_reg_defaults,
.reg_word_size = 2, .reg_word_size = 2,
.compress_type = SND_SOC_RBTREE_COMPRESSION,
}; };
static int __devinit wm8994_probe(struct platform_device *pdev) static int __devinit wm8994_probe(struct platform_device *pdev)