static int twl4030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int mV = info->table[index];
return IS_UNSUP(mV) ? 0 : (LDO_MV(mV) * 1000);
}
static int
twl4030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int vsel;
for (vsel = 0; vsel < info->table_len; vsel++) {
int mV = info->table[vsel];
int uV;
if (IS_UNSUP(mV))
continue;
uV = LDO_MV(mV) * 1000;
/* REVISIT for VAUX2, first match may not be best/lowest */
/* use the first in-range value */
if (min_uV <= uV && uV <= max_uV){
printk("%s : %s uV=%d\n",__func__,rdev->desc->name,uV);
return twlreg_write(info, TWL_MODULE_PM_RECEIVER,
VREG_VOLTAGE, vsel);
}
}
return -EDOM;
}
static int
twl4030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
unsigned *selector)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int vsel;
for (vsel = 0; vsel < info->table_len; vsel++) {
int mV = info->table[vsel];
int uV;
if (IS_UNSUP(mV))
continue;
uV = LDO_MV(mV) * 1000;
if (min_uV <= uV && uV <= max_uV) {
*selector = vsel;
return twlreg_write(info, TWL_MODULE_PM_RECEIVER,
VREG_VOLTAGE, vsel);
}
}
return -EDOM;
}
static int audio_power_set_voltage(struct regulator_dev *rdev, int min_uV,
int max_uV)
{
struct sprd_audio_power_info *info = rdev_get_drvdata(rdev);
int vsel;
BUG_ON(!info->v_table);
for (vsel = 0; vsel < info->v_table_len; vsel++) {
int mV = info->v_table[vsel];
int uV;
if (IS_UNSUP(mV))
continue;
uV = LDO_MV(mV) * 1000;
/* use the first in-range value */
if (min_uV <= uV && uV <= max_uV) {
sp_asoc_pr_dbg("%s: %dus\n", __func__, uV);
sprd_power_u_bits(info,
info->v_reg,
info->v_mask << info->v_shift,
vsel << info->v_shift);
return vsel;
}
}
return -EDOM;
}
static int __init twl4030reg_init(void)
{
unsigned i, j;
/* determine min/max voltage constraints, taking into account
* whether set_voltage() will use the "unsupported" settings
*/
for (i = 0; i < ARRAY_SIZE(twl4030_regs); i++) {
struct twlreg_info *info = twl4030_regs + i;
const u16 *table;
/* fixed-voltage regulators */
if (!info->table_len)
continue;
/* LDO regulators: */
for (j = 0, table = info->table;
j < info->table_len;
j++, table++) {
u16 mV = *table;
if (IS_UNSUP(mV))
continue;
mV = LDO_MV(mV);
if (info->min_mV == 0 || info->min_mV > mV)
info->min_mV = mV;
if (info->max_mV < mV)
info->max_mV = mV;
}
}
return platform_driver_register(&twl4030reg_driver);
}
static int sprd_audio_power_list_voltage(struct regulator_dev *rdev,
unsigned index)
{
struct sprd_audio_power_info *info = rdev_get_drvdata(rdev);
int mV;
sp_asoc_pr_dbg("%s List Voltage\n", rdev->desc->name);
if (!info->v_table) {
return 0;
}
if (index >= info->v_table_len) {
return 0;
}
mV = info->v_table[index];
return IS_UNSUP(mV) ? 0 : (LDO_MV(mV) * 1000);
}
static int
twl4030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int vsel;
for (vsel = 0; vsel < info->table_len; vsel++) {
int mV = info->table[vsel];
int uV;
if (IS_UNSUP(mV))
continue;
uV = LDO_MV(mV) * 1000;
/* use the first in-range value */
if (min_uV <= uV && uV <= max_uV)
return twl4030reg_write(info, VREG_DEDICATED, vsel);
}
return -EDOM;
}