regulator: arizona-ldo1: Add ramp time for HI_PWR
PATCH v2 1/1 regulator: arizona-ldo1: Add ramp time for HI_PWR
From: Richard Fitzgerald <[email protected]>
For regulators that support HI_PWR we need to ensure that switching to 1.8v allows time for the regulator to reach that voltage.
Signed-off-by Richard Fitzgerald <[email protected]>
Signed-off-by Charles Keepax <[email protected]>
---
Changes since v1:
- Don't ever return a zero ramp time
drivers/regulator/arizona-ldo1.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
drivers/regulator/arizona-ldo1.c +9 -0
@@ -113,6 +113,14 @@ static int arizona_ldo1_hc_get_voltage_sel(struct regulator_dev *rdev)return (val &ARIZONA_LDO1_VSEL_MASK ) >>ARIZONA_LDO1_VSEL_SHIFT ; } +static int arizona_ldo1_hc_set_voltage_time_sel (struct regulator_dev *rdev, +unsigned int old_selector, +unsigned int new_selector) +{ +/* Just use worst case switching time for now */ +return 25 ; +} +static struct regulator_ops arizona_ldo1_hc_ops = { .list_voltage = arizona_ldo1_hc_list_voltage, .map_voltage = arizona_ldo1_hc_map_voltage,
@@ -120,6 +128,7 @@ static struct regulator_ops arizona_ldo1_hc_ops = { .set_voltage_sel = arizona_ldo1_hc_set_voltage_sel, .get_bypass = regulator_get_bypass_regmap, .set_bypass = regulator_set_bypass_regmap, + .set_voltage_time_sel = arizona_ldo1_hc_set_voltage_time_sel, };static const struct regulator_desc arizona_ldo1_hc = {
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1.7.2.5