diff options
Diffstat (limited to 'drivers/regulator/tps6286x-regulator.c')
| -rw-r--r-- | drivers/regulator/tps6286x-regulator.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/regulator/tps6286x-regulator.c b/drivers/regulator/tps6286x-regulator.c index 75f441f36de7..e29aab06bf79 100644 --- a/drivers/regulator/tps6286x-regulator.c +++ b/drivers/regulator/tps6286x-regulator.c @@ -19,13 +19,22 @@ #define TPS6286X_CONTROL_FPWM BIT(4) #define TPS6286X_CONTROL_SWEN BIT(5) +#define TPS6286X_STATUS 0x05 + #define TPS6286X_MIN_MV 400 #define TPS6286X_MAX_MV 1675 #define TPS6286X_STEP_MV 5 +static bool tps6286x_volatile_reg(struct device *dev, unsigned int reg) +{ + return reg == TPS6286X_STATUS; +} + static const struct regmap_config tps6286x_regmap_config = { .reg_bits = 8, .val_bits = 8, + .cache_type = REGCACHE_MAPLE, + .volatile_reg = tps6286x_volatile_reg, }; static int tps6286x_set_mode(struct regulator_dev *rdev, unsigned int mode) |