diff options
Diffstat (limited to 'drivers/regulator/mp886x.c')
| -rw-r--r-- | drivers/regulator/mp886x.c | 32 |
1 files changed, 7 insertions, 25 deletions
diff --git a/drivers/regulator/mp886x.c b/drivers/regulator/mp886x.c index a84fd74081de..8ad4722eca4b 100644 --- a/drivers/regulator/mp886x.c +++ b/drivers/regulator/mp886x.c @@ -26,7 +26,7 @@ struct mp886x_cfg_info { const struct regulator_ops *rops; - const int slew_rates[8]; + const unsigned int slew_rates[8]; const int switch_freq[4]; const u8 fs_reg; const u8 fs_shift; @@ -42,28 +42,6 @@ struct mp886x_device_info { unsigned int sel; }; -static int mp886x_set_ramp(struct regulator_dev *rdev, int ramp) -{ - struct mp886x_device_info *di = rdev_get_drvdata(rdev); - const struct mp886x_cfg_info *ci = di->ci; - int reg = -1, i; - - for (i = 0; i < ARRAY_SIZE(ci->slew_rates); i++) { - if (ramp <= ci->slew_rates[i]) - reg = i; - else - break; - } - - if (reg < 0) { - dev_err(di->dev, "unsupported ramp value %d\n", ramp); - return -EINVAL; - } - - return regmap_update_bits(rdev->regmap, MP886X_SYSCNTLREG1, - MP886X_SLEW_MASK, reg << MP886X_SLEW_SHIFT); -} - static void mp886x_set_switch_freq(struct mp886x_device_info *di, struct regmap *regmap, u32 freq) @@ -169,7 +147,7 @@ static const struct regulator_ops mp8869_regulator_ops = { .is_enabled = regulator_is_enabled_regmap, .set_mode = mp886x_set_mode, .get_mode = mp886x_get_mode, - .set_ramp_delay = mp886x_set_ramp, + .set_ramp_delay = regulator_set_ramp_delay_regmap, }; static const struct mp886x_cfg_info mp8869_ci = { @@ -248,7 +226,7 @@ static const struct regulator_ops mp8867_regulator_ops = { .is_enabled = regulator_is_enabled_regmap, .set_mode = mp886x_set_mode, .get_mode = mp886x_get_mode, - .set_ramp_delay = mp886x_set_ramp, + .set_ramp_delay = regulator_set_ramp_delay_regmap, }; static const struct mp886x_cfg_info mp8867_ci = { @@ -290,6 +268,10 @@ static int mp886x_regulator_register(struct mp886x_device_info *di, rdesc->uV_step = 10000; rdesc->vsel_reg = MP886X_VSEL; rdesc->vsel_mask = 0x3f; + rdesc->ramp_reg = MP886X_SYSCNTLREG1; + rdesc->ramp_mask = MP886X_SLEW_MASK; + rdesc->ramp_delay_table = di->ci->slew_rates; + rdesc->n_ramp_values = ARRAY_SIZE(di->ci->slew_rates); rdesc->owner = THIS_MODULE; rdev = devm_regulator_register(di->dev, &di->desc, config); |