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| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2013-11-15 13:13:32 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-11-24 14:01:22 +0000 |
| commit | 71979aa3c431f0b2e00c4151f399813fceea6e0d (patch) | |
| tree | 3691445286345d1b0c8cf7293d8562dd09211551 /drivers/regulator | |
| parent | 6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff) | |
| download | linux-71979aa3c431f0b2e00c4151f399813fceea6e0d.tar.gz linux-71979aa3c431f0b2e00c4151f399813fceea6e0d.tar.bz2 linux-71979aa3c431f0b2e00c4151f399813fceea6e0d.zip | |
regulator: arizona-micsupp: Convert to use linear ranges
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/arizona-micsupp.c | 52 |
1 files changed, 11 insertions, 41 deletions
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c index 724706a97dc4..3c75bf82eeb5 100644 --- a/drivers/regulator/arizona-micsupp.c +++ b/drivers/regulator/arizona-micsupp.c @@ -28,8 +28,6 @@ #include <linux/mfd/arizona/pdata.h> #include <linux/mfd/arizona/registers.h> -#define ARIZONA_MICSUPP_MAX_SELECTOR 0x1f - struct arizona_micsupp { struct regulator_dev *regulator; struct arizona *arizona; @@ -40,42 +38,6 @@ struct arizona_micsupp { struct work_struct check_cp_work; }; -static int arizona_micsupp_list_voltage(struct regulator_dev *rdev, - unsigned int selector) -{ - if (selector > ARIZONA_MICSUPP_MAX_SELECTOR) - return -EINVAL; - - if (selector == ARIZONA_MICSUPP_MAX_SELECTOR) - return 3300000; - else - return (selector * 50000) + 1700000; -} - -static int arizona_micsupp_map_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - unsigned int voltage; - int selector; - - if (min_uV < 1700000) - min_uV = 1700000; - - if (min_uV > 3200000) - selector = ARIZONA_MICSUPP_MAX_SELECTOR; - else - selector = DIV_ROUND_UP(min_uV - 1700000, 50000); - - if (selector < 0) - return -EINVAL; - - voltage = arizona_micsupp_list_voltage(rdev, selector); - if (voltage < min_uV || voltage > max_uV) - return -EINVAL; - - return selector; -} - static void arizona_micsupp_check_cp(struct work_struct *work) { struct arizona_micsupp *micsupp = @@ -145,8 +107,8 @@ static struct regulator_ops arizona_micsupp_ops = { .disable = arizona_micsupp_disable, .is_enabled = regulator_is_enabled_regmap, - .list_voltage = arizona_micsupp_list_voltage, - .map_voltage = arizona_micsupp_map_voltage, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, @@ -155,11 +117,16 @@ static struct regulator_ops arizona_micsupp_ops = { .set_bypass = arizona_micsupp_set_bypass, }; +static const struct regulator_linear_range arizona_micsupp_ranges[] = { + REGULATOR_LINEAR_RANGE(1700000, 0, 0x1e, 50000), + REGULATOR_LINEAR_RANGE(3300000, 0x1f, 0x1f, 0), +}; + static const struct regulator_desc arizona_micsupp = { .name = "MICVDD", .supply_name = "CPVDD", .type = REGULATOR_VOLTAGE, - .n_voltages = ARIZONA_MICSUPP_MAX_SELECTOR + 1, + .n_voltages = 32, .ops = &arizona_micsupp_ops, .vsel_reg = ARIZONA_LDO2_CONTROL_1, @@ -169,6 +136,9 @@ static const struct regulator_desc arizona_micsupp = { .bypass_reg = ARIZONA_MIC_CHARGE_PUMP_1, .bypass_mask = ARIZONA_CPMIC_BYPASS, + .linear_ranges = arizona_micsupp_ranges, + .n_linear_ranges = ARRAY_SIZE(arizona_micsupp_ranges), + .enable_time = 3000, .owner = THIS_MODULE, |