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| author | Axel Lin <axel.lin@ingics.com> | 2012-11-27 10:26:14 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-11-27 20:11:19 +0000 |
| commit | 6b1f8a45666877d4885c03d9472657fd73edfa8b (patch) | |
| tree | 10706af5a7600cae428ba0cf4e18889a934bf60d /drivers/regulator | |
| parent | 5979b2a35f0d67c09b385424674ece6ae9e3bda6 (diff) | |
| download | linux-stable-6b1f8a45666877d4885c03d9472657fd73edfa8b.tar.gz linux-stable-6b1f8a45666877d4885c03d9472657fd73edfa8b.tar.bz2 linux-stable-6b1f8a45666877d4885c03d9472657fd73edfa8b.zip | |
regulator: da9055: 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')
| -rw-r--r-- | drivers/regulator/da9055-regulator.c | 55 |
1 files changed, 8 insertions, 47 deletions
diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index 121564bb5415..2253559703ce 100644 --- a/drivers/regulator/da9055-regulator.c +++ b/drivers/regulator/da9055-regulator.c @@ -57,7 +57,6 @@ struct da9055_volt_reg { int reg_a; int reg_b; int sl_shift; - int v_offset; int v_mask; int v_shift; }; @@ -204,41 +203,6 @@ static int da9055_buck_set_current_limit(struct regulator_dev *rdev, int min_uA, info->mode.mask, val << info->mode.shift); } -static int da9055_list_voltage(struct regulator_dev *rdev, unsigned selector) -{ - struct da9055_regulator *regulator = rdev_get_drvdata(rdev); - struct da9055_regulator_info *info = regulator->info; - - if (selector >= rdev->desc->n_voltages) - return -EINVAL; - - if (selector < info->volt.v_offset) - return 0; - - selector -= info->volt.v_offset; - return rdev->desc->min_uV + (rdev->desc->uV_step * selector); -} - -static int da9055_map_voltage(struct regulator_dev *rdev, int min_uV, - int max_uV) -{ - struct da9055_regulator *regulator = rdev_get_drvdata(rdev); - struct da9055_regulator_info *info = regulator->info; - int sel, voltage; - - if (min_uV < rdev->desc->min_uV) - min_uV = rdev->desc->min_uV; - - sel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step); - sel += info->volt.v_offset; - - voltage = da9055_list_voltage(rdev, sel); - if (voltage < min_uV || voltage > max_uV) - return -EINVAL; - - return sel; -} - static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev) { struct da9055_regulator *regulator = rdev_get_drvdata(rdev); @@ -267,10 +231,7 @@ static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev) return ret; sel = (ret & volt.v_mask); - if (sel <= volt.v_offset) - return 0; - else - return sel; + return sel; } static int da9055_regulator_set_voltage_sel(struct regulator_dev *rdev, @@ -331,7 +292,7 @@ static int da9055_regulator_set_suspend_voltage(struct regulator_dev *rdev, return ret; } - ret = da9055_map_voltage(rdev, uV, uV); + ret = regulator_map_voltage_linear(rdev, uV, uV); if (ret < 0) return ret; @@ -374,8 +335,8 @@ static struct regulator_ops da9055_buck_ops = { .get_voltage_sel = da9055_regulator_get_voltage_sel, .set_voltage_sel = da9055_regulator_set_voltage_sel, - .list_voltage = da9055_list_voltage, - .map_voltage = da9055_map_voltage, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -392,8 +353,8 @@ static struct regulator_ops da9055_ldo_ops = { .get_voltage_sel = da9055_regulator_get_voltage_sel, .set_voltage_sel = da9055_regulator_set_voltage_sel, - .list_voltage = da9055_list_voltage, - .map_voltage = da9055_map_voltage, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -417,6 +378,7 @@ static struct regulator_ops da9055_ldo_ops = { .enable_mask = 1, \ .min_uV = (min) * 1000,\ .uV_step = (step) * 1000,\ + .linear_min_sel = (voffset),\ .owner = THIS_MODULE,\ },\ .conf = {\ @@ -428,7 +390,6 @@ static struct regulator_ops da9055_ldo_ops = { .reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \ .reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \ .sl_shift = 7,\ - .v_offset = (voffset),\ .v_mask = (1 << (vbits)) - 1,\ .v_shift = (vbits),\ },\ @@ -446,6 +407,7 @@ static struct regulator_ops da9055_ldo_ops = { .enable_mask = 1,\ .min_uV = (min) * 1000,\ .uV_step = (step) * 1000,\ + .linear_min_sel = (voffset),\ .owner = THIS_MODULE,\ },\ .conf = {\ @@ -457,7 +419,6 @@ static struct regulator_ops da9055_ldo_ops = { .reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \ .reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \ .sl_shift = 7,\ - .v_offset = (voffset),\ .v_mask = (1 << (vbits)) - 1,\ .v_shift = (vbits),\ },\ |