regulator: rtmv20: Fix to make regcache value first reading back from HW

[ Upstream commit 46639a5e684edd0b80ae9dff220f193feb356277 ]

- Fix to make regcache value first reading back from HW.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/1622542155-6373-1-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/regulator/rtmv20-regulator.c b/drivers/regulator/rtmv20-regulator.c
index 5adc552dffd58bb4fbc18eecbb164812d414fa78..4bca64de0f672d0f7e4ed5b722379a2182985b3d 100644 (file)
--- a/drivers/regulator/rtmv20-regulator.c
+++ b/drivers/regulator/rtmv20-regulator.c
@@ -27,6 +27,7 @@
 #define RTMV20_REG_LDIRQ       0x30
 #define RTMV20_REG_LDSTAT      0x40
 #define RTMV20_REG_LDMASK      0x50
+#define RTMV20_MAX_REGS                (RTMV20_REG_LDMASK + 1)
 
 #define RTMV20_VID_MASK                GENMASK(7, 4)
 #define RICHTEK_VID            0x80
@@ -313,6 +314,7 @@ static const struct regmap_config rtmv20_regmap_config = {
        .val_bits = 8,
        .cache_type = REGCACHE_RBTREE,
        .max_register = RTMV20_REG_LDMASK,
+       .num_reg_defaults_raw = RTMV20_MAX_REGS,
 
        .writeable_reg = rtmv20_is_accessible_reg,
        .readable_reg = rtmv20_is_accessible_reg,