regulator: palmas: Use linear_min_sel and regulator_[map|list]_voltage_linear

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

drivers/regulator/palmas-regulator.c

@@ -436,44 +436,14 @@ static int palmas_is_enabled_ldo(struct regulator_dev *dev)
 	return !!(reg);
 }
 
-static int palmas_list_voltage_ldo(struct regulator_dev *dev,
-					unsigned selector)
-{
-	if (!selector)
-		return 0;
-
-	/* voltage is 0.85V + (selector * 0.05v) */
-	return  850000 + (selector * 50000);
-}
-
-static int palmas_map_voltage_ldo(struct regulator_dev *rdev,
-		int min_uV, int max_uV)
-{
-	int ret, voltage;
-
-	if (min_uV == 0)
-		return 0;
-
-	if (min_uV < 900000)
-		min_uV = 900000;
-	ret = DIV_ROUND_UP(min_uV - 900000, 50000) + 1;
-
-	/* Map back into a voltage to verify we're still in bounds */
-	voltage = palmas_list_voltage_ldo(rdev, ret);
-	if (voltage < min_uV || voltage > max_uV)
-		return -EINVAL;
-
-	return ret;
-}
-
 static struct regulator_ops palmas_ops_ldo = {
 	.is_enabled		= palmas_is_enabled_ldo,
 	.enable			= regulator_enable_regmap,
 	.disable		= regulator_disable_regmap,
 	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
-	.list_voltage		= palmas_list_voltage_ldo,
-	.map_voltage		= palmas_map_voltage_ldo,
+	.list_voltage		= regulator_list_voltage_linear,
+	.map_voltage		= regulator_map_voltage_linear,
 };
 
 /*
@@ -821,6 +791,9 @@ static __devinit int palmas_probe(struct platform_device *pdev)
 
 		pmic->desc[id].type = REGULATOR_VOLTAGE;
 		pmic->desc[id].owner = THIS_MODULE;
+		pmic->desc[id].min_uV = 900000;
+		pmic->desc[id].uV_step = 50000;
+		pmic->desc[id].linear_min_sel = 1;
 		pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 						palmas_regs_info[id].vsel_addr);
 		pmic->desc[id].vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;