RT1305_PR_SPACING),
.volatile_reg = rt1305_volatile_register,
.readable_reg = rt1305_readable_register,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.reg_defaults = rt1305_reg,
.num_reg_defaults = ARRAY_SIZE(rt1305_reg),
.ranges = rt1305_ranges,