ASoC: wm8737: Update to use maple tree register cache

The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache. In
v6.5 it has also acquired the ability to generate multi-register writes in
sync operations, bringing performance up to parity with the rbtree cache
there.

Update the wm8737 driver to use the more modern data structure.

Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230713-asoc-cirrus-maple-v1-22-a62651831735@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/wm8737.c b/sound/soc/codecs/wm8737.c
index 9f4e372e90eab04391a811a5e12ab8b32780d765..0d231c289ef33b20604e4b2d97ea92951488fe98 100644 (file)
--- a/sound/soc/codecs/wm8737.c
+++ b/sound/soc/codecs/wm8737.c
@@ -599,7 +599,7 @@ static const struct regmap_config wm8737_regmap = {
 
        .reg_defaults = wm8737_reg_defaults,
        .num_reg_defaults = ARRAY_SIZE(wm8737_reg_defaults),
-       .cache_type = REGCACHE_RBTREE,
+       .cache_type = REGCACHE_MAPLE,
 
        .volatile_reg = wm8737_volatile,
 };