The rt1308 can only support single register read and write operations so does not benefit from block writes. This means it gets no benefit from using the rbtree register cache over the maple tree register cache so convert it to use maple trees instead, it is more modern.
Signed-off-by: Mark Brown broonie@kernel.org --- sound/soc/codecs/rt1308-sdw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c index 313e97c94532..f43520ca3187 100644 --- a/sound/soc/codecs/rt1308-sdw.c +++ b/sound/soc/codecs/rt1308-sdw.c @@ -68,7 +68,7 @@ static const struct regmap_config rt1308_sdw_regmap = { .max_register = 0xcfff, .reg_defaults = rt1308_reg_defaults, .num_reg_defaults = ARRAY_SIZE(rt1308_reg_defaults), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .use_single_read = true, .use_single_write = true, };