diff options
| author | Axel Lin <axel.lin@gmail.com> | 2012-03-24 05:42:26 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-01 14:59:31 +0400 |
| commit | eed06517e1dade847d6abd8ddea5442bbfe082cc (patch) | |
| tree | 7f545f2a318bd044ef32c63dfd283608594f732d /drivers/regulator/tps6586x-regulator.c | |
| parent | 44a7cdabf792028f88de5ecc2baf0c1a8207aa27 (diff) | |
| download | linux-eed06517e1dade847d6abd8ddea5442bbfe082cc.tar.xz | |
regulator: Convert tps6586x to set_voltage_sel
Convert both tps6586x_[ldo|dvm]_set_voltage to one set_voltage_sel callback.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/tps6586x-regulator.c')
| -rw-r--r-- | drivers/regulator/tps6586x-regulator.c | 70 |
1 files changed, 21 insertions, 49 deletions
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 08fcd9d3557d..3ca1c98d6f3a 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -84,44 +84,31 @@ static int tps6586x_ldo_list_voltage(struct regulator_dev *rdev, } -static int __tps6586x_ldo_set_voltage(struct device *parent, - struct tps6586x_regulator *ri, - int min_uV, int max_uV, - unsigned *selector) +static int tps6586x_set_voltage_sel(struct regulator_dev *rdev, + unsigned selector) { - int val, uV; + struct tps6586x_regulator *ri = rdev_get_drvdata(rdev); + struct device *parent = to_tps6586x_dev(rdev); + int ret, val, rid = rdev_get_id(rdev); uint8_t mask; - for (val = 0; val < ri->desc.n_voltages; val++) { - uV = ri->voltages[val] * 1000; - - /* LDO0 has minimal voltage 1.2 rather than 1.25 */ - if (ri->desc.id == TPS6586X_ID_LDO_0 && val == 0) - uV -= 50 * 1000; - - /* use the first in-range value */ - if (min_uV <= uV && uV <= max_uV) { - - *selector = val; + val = selector << ri->volt_shift; + mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift; - val <<= ri->volt_shift; - mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift; + ret = tps6586x_update(parent, ri->volt_reg, val, mask); + if (ret) + return ret; - return tps6586x_update(parent, ri->volt_reg, val, mask); - } + /* Update go bit for DVM regulators */ + switch (rid) { + case TPS6586X_ID_LDO_2: + case TPS6586X_ID_LDO_4: + case TPS6586X_ID_SM_0: + case TPS6586X_ID_SM_1: + ret = tps6586x_set_bits(parent, ri->go_reg, 1 << ri->go_bit); + break; } - - return -EINVAL; -} - -static int tps6586x_ldo_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV, unsigned *selector) -{ - struct tps6586x_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps6586x_dev(rdev); - - return __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV, - selector); + return ret; } static int tps6586x_get_voltage_sel(struct regulator_dev *rdev) @@ -144,21 +131,6 @@ static int tps6586x_get_voltage_sel(struct regulator_dev *rdev) return val; } -static int tps6586x_dvm_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV, unsigned *selector) -{ - struct tps6586x_regulator *ri = rdev_get_drvdata(rdev); - struct device *parent = to_tps6586x_dev(rdev); - int ret; - - ret = __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV, - selector); - if (ret) - return ret; - - return tps6586x_set_bits(parent, ri->go_reg, 1 << ri->go_bit); -} - static int tps6586x_regulator_enable(struct regulator_dev *rdev) { struct tps6586x_regulator *ri = rdev_get_drvdata(rdev); @@ -194,7 +166,7 @@ static int tps6586x_regulator_is_enabled(struct regulator_dev *rdev) static struct regulator_ops tps6586x_regulator_ldo_ops = { .list_voltage = tps6586x_ldo_list_voltage, .get_voltage_sel = tps6586x_get_voltage_sel, - .set_voltage = tps6586x_ldo_set_voltage, + .set_voltage_sel = tps6586x_set_voltage_sel, .is_enabled = tps6586x_regulator_is_enabled, .enable = tps6586x_regulator_enable, @@ -204,7 +176,7 @@ static struct regulator_ops tps6586x_regulator_ldo_ops = { static struct regulator_ops tps6586x_regulator_dvm_ops = { .list_voltage = tps6586x_ldo_list_voltage, .get_voltage_sel = tps6586x_get_voltage_sel, - .set_voltage = tps6586x_dvm_set_voltage, + .set_voltage_sel = tps6586x_set_voltage_sel, .is_enabled = tps6586x_regulator_is_enabled, .enable = tps6586x_regulator_enable, |