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| author | Axel Lin <axel.lin@ingics.com> | 2012-11-27 10:27:34 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-11-27 20:07:40 +0000 |
| commit | 9119ff6af541feee1daaa5cba3a4b3b5751a2d09 (patch) | |
| tree | 83c3f4089e7045ebcc85936b8ea3f86f984b7659 /drivers/regulator/palmas-regulator.c | |
| parent | 33234e791de2ac3ea915158e042907748191cabd (diff) | |
| download | talos-obmc-linux-9119ff6af541feee1daaa5cba3a4b3b5751a2d09.tar.gz talos-obmc-linux-9119ff6af541feee1daaa5cba3a4b3b5751a2d09.zip | |
regulator: palmas: Use linear_min_sel and regulator_[map|list]_voltage_linear
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/palmas-regulator.c')
| -rw-r--r-- | drivers/regulator/palmas-regulator.c | 37 |
1 files changed, 5 insertions, 32 deletions
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 07aee694ba92..111d76b04bb5 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -436,44 +436,14 @@ static int palmas_is_enabled_ldo(struct regulator_dev *dev) return !!(reg); } -static int palmas_list_voltage_ldo(struct regulator_dev *dev, - unsigned selector) -{ - if (!selector) - return 0; - - /* voltage is 0.85V + (selector * 0.05v) */ - return 850000 + (selector * 50000); -} - -static int palmas_map_voltage_ldo(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - int ret, voltage; - - if (min_uV == 0) - return 0; - - if (min_uV < 900000) - min_uV = 900000; - ret = DIV_ROUND_UP(min_uV - 900000, 50000) + 1; - - /* Map back into a voltage to verify we're still in bounds */ - voltage = palmas_list_voltage_ldo(rdev, ret); - if (voltage < min_uV || voltage > max_uV) - return -EINVAL; - - return ret; -} - static struct regulator_ops palmas_ops_ldo = { .is_enabled = palmas_is_enabled_ldo, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, - .list_voltage = palmas_list_voltage_ldo, - .map_voltage = palmas_map_voltage_ldo, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, }; /* @@ -821,6 +791,9 @@ static __devinit int palmas_probe(struct platform_device *pdev) pmic->desc[id].type = REGULATOR_VOLTAGE; pmic->desc[id].owner = THIS_MODULE; + pmic->desc[id].min_uV = 900000; + pmic->desc[id].uV_step = 50000; + pmic->desc[id].linear_min_sel = 1; pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, palmas_regs_info[id].vsel_addr); pmic->desc[id].vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK; |
