From: Mark Brown Date: Fri, 26 Nov 2010 17:23:42 +0000 (+0000) Subject: ASoC: Enable rbtree compression for WM8994/58 register cache X-Git-Tag: upstream/snapshot3+hdmi~7307^2~1226^2~229 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2e19b0c8c21cb06eb5b902588c30ae0529ce8ec3;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git ASoC: Enable rbtree compression for WM8994/58 register cache 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 Acked-by: Liam Girdwood --- 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)