Linux 3.6-rc4

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / regulator / wm8400-regulator.c

diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c
index 69a2b7ce5e4a09a3dae1e606aaf3786011dd02b2..9035dd0536118df253769b6e7e5847621ebd9a5e 100644 (file)
--- a/drivers/regulator/wm8400-regulator.c
+++ b/drivers/regulator/wm8400-regulator.c
@@ -28,34 +28,26 @@ static int wm8400_ldo_list_voltage(struct regulator_dev *dev,
        if (selector < 15)
                return 900000 + (selector * 50000);
        else
-               return 1600000 + ((selector - 14) * 100000);
+               return 1700000 + ((selector - 15) * 100000);
 }
 
 static int wm8400_ldo_map_voltage(struct regulator_dev *dev,
                                  int min_uV, int max_uV)
 {
        u16 val;
+       int volt;
 
        if (min_uV < 900000 || min_uV > 3300000)
                return -EINVAL;
 
-       if (min_uV < 1700000) {
-               /* Steps of 50mV from 900mV;  */
+       if (min_uV < 1700000) /* Steps of 50mV from 900mV;  */
                val = DIV_ROUND_UP(min_uV - 900000, 50000);
+       else /* Steps of 100mV from 1700mV */
+               val = DIV_ROUND_UP(min_uV - 1700000, 100000) + 15;
 
-               if ((val * 50000) + 900000 > max_uV)
-                       return -EINVAL;
-               BUG_ON((val * 50000) + 900000 < min_uV);
-       } else {
-               /* Steps of 100mV from 1700mV */
-               val = DIV_ROUND_UP(min_uV - 1700000, 100000);
-
-               if ((val * 100000) + 1700000 > max_uV)
-                       return -EINVAL;
-               BUG_ON((val * 100000) + 1700000 < min_uV);
-
-               val += 0xf;
-       }
+       volt = wm8400_ldo_list_voltage(dev, val);
+       if (volt < min_uV || volt > max_uV)
+               return -EINVAL;
 
        return val;
 }
@@ -152,6 +144,7 @@ static struct regulator_ops wm8400_dcdc_ops = {
        .enable = regulator_enable_regmap,
        .disable = regulator_disable_regmap,
        .list_voltage = regulator_list_voltage_linear,
+       .map_voltage = regulator_map_voltage_linear,
        .get_voltage_sel = regulator_get_voltage_sel_regmap,
        .set_voltage_sel = regulator_set_voltage_sel_regmap,
        .get_mode = wm8400_dcdc_get_mode,