regulator: da9211: add cache_type (989e08c3) · Commits · 戴 / test

Add regmap_cache to reduce wakeups events of interrupt if regulator is accessed frequently. This results in saving more power. Suggested-by:

drivers/regulator/da9211-regulator.c

+14 −0

Original line number	Diff line number	Diff line
		@@ -51,10 +51,24 @@ static const struct regmap_range_cfg da9211_regmap_range[] = {
		},
		};

		static bool da9211_volatile_reg(struct device *dev, unsigned int reg)
		{
		switch (reg) {
		case DA9211_REG_STATUS_A:
		case DA9211_REG_STATUS_B:
		case DA9211_REG_EVENT_A:
		case DA9211_REG_EVENT_B:
		return true;
		}
		return false;
		}

		static const struct regmap_config da9211_regmap_config = {
		.reg_bits = 8,
		.val_bits = 8,
		.max_register = 5 * 128,
		.volatile_reg = da9211_volatile_reg,
		.cache_type = REGCACHE_RBTREE,
		.ranges = da9211_regmap_range,
		.num_ranges = ARRAY_SIZE(da9211_regmap_range),
		};