From: Axel Lin Date: Fri, 9 Aug 2013 07:29:27 +0000 (+0800) Subject: regulator: core: Move list_voltage_{linear,linear_range,table} to helpers.c X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d295f7670127eb241d81e96e003b380c77c2b254;p=linux-beck.git 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 Signed-off-by: Mark Brown --- 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 @@ -1988,92 +1988,6 @@ 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 diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c index d13cf8f7fb90..6e30df14714b 100644 --- a/drivers/regulator/helpers.c +++ b/drivers/regulator/helpers.c @@ -319,6 +319,92 @@ int regulator_map_voltage_linear_range(struct regulator_dev *rdev, } EXPORT_SYMBOL_GPL(regulator_map_voltage_linear_range); +/** + * 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_set_bypass_regmap - Default set_bypass() using regmap *