diff options
author | 2013-08-09 15:29:27 +0800 | |
---|---|---|
committer | 2013-08-09 11:45:02 +0100 | |
commit | d295f7670127eb241d81e96e003b380c77c2b254 (patch) | |
tree | 84f185451441d18e1f3e676bdb1edbc4b96cdc98 /drivers/regulator/core.c | |
parent | regulator: core: Move helpers for drivers out into a separate file (diff) | |
download | linux-d295f7670127eb241d81e96e003b380c77c2b254.tar.gz linux-d295f7670127eb241d81e96e003b380c77c2b254.tar.bz2 linux-d295f7670127eb241d81e96e003b380c77c2b254.zip |
regulator: core: Move list_voltage_{linear,linear_range,table} to helpers.c
Move regulator_list_voltage_{linear,linear_range,table} helper functions to
helpers.c.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/regulator/core.c')
-rw-r--r-- | drivers/regulator/core.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 01d9675b0e83..c111a2c19119 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1989,92 +1989,6 @@ int regulator_count_voltages(struct regulator *regulator) EXPORT_SYMBOL_GPL(regulator_count_voltages); /** - * regulator_list_voltage_linear - List voltages with simple calculation - * - * @rdev: Regulator device - * @selector: Selector to convert into a voltage - * - * Regulators with a simple linear mapping between voltages and - * selectors can set min_uV and uV_step in the regulator descriptor - * and then use this function as their list_voltage() operation, - */ -int regulator_list_voltage_linear(struct regulator_dev *rdev, - unsigned int selector) -{ - if (selector >= rdev->desc->n_voltages) - return -EINVAL; - if (selector < rdev->desc->linear_min_sel) - return 0; - - selector -= rdev->desc->linear_min_sel; - - return rdev->desc->min_uV + (rdev->desc->uV_step * selector); -} -EXPORT_SYMBOL_GPL(regulator_list_voltage_linear); - -/** - * regulator_list_voltage_linear_range - List voltages for linear ranges - * - * @rdev: Regulator device - * @selector: Selector to convert into a voltage - * - * Regulators with a series of simple linear mappings between voltages - * and selectors can set linear_ranges in the regulator descriptor and - * then use this function as their list_voltage() operation, - */ -int regulator_list_voltage_linear_range(struct regulator_dev *rdev, - unsigned int selector) -{ - const struct regulator_linear_range *range; - int i; - - if (!rdev->desc->n_linear_ranges) { - BUG_ON(!rdev->desc->n_linear_ranges); - return -EINVAL; - } - - for (i = 0; i < rdev->desc->n_linear_ranges; i++) { - range = &rdev->desc->linear_ranges[i]; - - if (!(selector >= range->min_sel && - selector <= range->max_sel)) - continue; - - selector -= range->min_sel; - - return range->min_uV + (range->uV_step * selector); - } - - return -EINVAL; -} -EXPORT_SYMBOL_GPL(regulator_list_voltage_linear_range); - -/** - * regulator_list_voltage_table - List voltages with table based mapping - * - * @rdev: Regulator device - * @selector: Selector to convert into a voltage - * - * Regulators with table based mapping between voltages and - * selectors can set volt_table in the regulator descriptor - * and then use this function as their list_voltage() operation. - */ -int regulator_list_voltage_table(struct regulator_dev *rdev, - unsigned int selector) -{ - if (!rdev->desc->volt_table) { - BUG_ON(!rdev->desc->volt_table); - return -EINVAL; - } - - if (selector >= rdev->desc->n_voltages) - return -EINVAL; - - return rdev->desc->volt_table[selector]; -} -EXPORT_SYMBOL_GPL(regulator_list_voltage_table); - -/** * regulator_list_voltage - enumerate supported voltages * @regulator: regulator source * @selector: identify voltage to list |